{"type": "FeatureCollection", "features": [{"id": "10.1002/lno.11606", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:14:04Z", "type": "Journal Article", "created": "2020-09-25", "title": "The relevance of environment vs. composition on dissolved organic matter degradation in freshwaters", "description": "Abstract

Dissolved organic matter (DOM) composition exerts a direct control on its degradation and subsequent persistence in aquatic ecosystems. Yet, under certain conditions, the degradation patterns of DOM cannot be solely explained by its composition, highlighting the relevance of environmental conditions for DOM degradation. Here, we experimentally assessed the relative influence of composition vs. environment on DOM degradation by performing degradation bioassays using three contrasting DOM sources inoculated with a standardized bacterial inoculum under five distinct environments. The DOM degradation kinetics modeled using reactivity continuum models showed that composition was more important than environment in determining the bulk DOM decay patterns. Changes in DOM composition resulted from the interaction between DOM source and environment. The role of environment was stronger on shaping the bacterial community composition, but the intrinsic nature of the DOM source exerted stronger control on the DOM degradation function.Streams and rivers act as landscape-scale bioreactors processing large quantities of terrestrial particulate organic matter (POM). This function is linked to their flow regime, which governs residence times, shapes organic matter reactivity and controls the amount of carbon (C) exported to the atmosphere and coastal oceans. Climate change impacts flow regimes by increasing both flash floods and droughts. Here, we used a modelling approach to explore the consequences of lateral hydrological contraction, that is, the reduction of the wet portion of the streambed, for POM decomposition and transport at the river network scale. Our model integrates seasonal leaf litter input as generator of POM, transient storage of POM on wet and dry streambed portions with associated decomposition and ensuing changes in reactivity, and transport dynamics through a dendritic river network. Simulations showed that the amount of POM exported from the river network and its average reactivity increased with lateral hydrological contraction, due to the combination of (1) low processing of POM while stored on dry streambeds, and (2) large shunting during flashy events. The sensitivity analysis further supported that high lateral hydrological contraction leads to higher export of higher reactivity POM, regardless of transport coefficient values, average reactivity of fresh leaf litter and differences between POM reactivity under wet and dry conditions. Our study incorporates storage in dry streambed areas into the pulse-shunt concept (Raymond and others in Ecology 97(1):5\uffe2\uff80\uff9316, 2016. https://doi.org/10.1890/14-1684.1), providing a mechanistic framework and testable predictions about leaf litter storage, transport and decomposition in fluvial networks.Managing agricultural watersheds in an environmentally friendly manner necessitate the strategic implementation of well-targeted sustainable land management (SLM) practices that limit soil and nonpoint source pollution losses and translocation. Watershed-scale SLM-scenario modeling has the potential to identify efficient and effective management strategies from the field to the integrated landscape level. In a case study targeting a 66-hectare watershed in Petzenkirchen, Lower Austria, the Soil and Water Assessment Tool (SWAT) was utilized to evaluate a variety of locally adoptable SLM practices. SWAT was calibrated and validated (monthly) at the catchment outlet for flow, sediment, nitrate-nitrogen (NO3\uffe2\uff80\uff93N), ammonium nitrogen (NH4\uffe2\uff80\uff93N), and mineralized phosphorus (PO4\uffe2\uff80\uff93P) using SWATplusR. Considering the locally existing agricultural practices and socioeconomic and environmental factors of the research area, four conservation practices were evaluated: baseline scenario, contour farming (CF), winter cover crops (CC), and a combination of no-till and cover crops (NT\uffe2\uff80\uff89+\uffe2\uff80\uff89CC). The NT\uffe2\uff80\uff89+\uffe2\uff80\uff89CC SLM practice was found to be the most effective soil conservation practice in reducing soil loss by around 80%, whereas CF obtained the best results for decreasing the nutrient loads of NO3\uffe2\uff80\uff93N and PO4\uffe2\uff80\uff93P by 11% and 35%, respectively. The findings of this study imply that the setup SWAT model can serve the context-specific performance assessment and eventual promotion of SLM interventions that mitigate on-site land degradation and the consequential off-site environmental pollution resulting from agricultural nonpoint sources.In many application settings, labeling data examples is a costly endeavor, while unlabeled examples are abundant and cheap to produce. Labeling examples can be particularly problematic in an online setting, where there can be arbitrarily many examples that arrive at high frequencies. It is also problematic when we need to predict complex values (e.g., multiple real values), a task that has started receiving considerable attention, but mostly in the batch setting. In this paper, we propose a method for online semi-supervised multi-target regression. It is based on incremental trees for multi-target regression and the predictive clustering framework. Furthermore, it utilizes unlabeled examples to improve its predictive performance as compared to using just the labeled examples. We compare the proposed iSOUP-PCT method with supervised tree methods, which do not use unlabeled examples, and to an oracle method, which uses unlabeled examples as though they were labeled. Additionally, we compare the proposed method to the available state-of-the-art methods. The method achieves good predictive performance on account of increased consumption of computational resources as compared to its supervised variant. The proposed method also beats the state-of-the-art in the case of very few labeled examples in terms of performance, while achieving comparable performance when the labeled examples are more common.On\uffe2\uff80\uff90going shrinkage of Greenland's icecap, permafrost thaw, and changes in precipitation are exposing its landscapes to erosion and remobilization of ancient organic carbon (OC) held in soils and sedimentary rocks. The fate of this OC and potential feedbacks to climate are still unclear. Here, we show that the glacial Zackenberg river (Northeastern Greenland) exports aged particulate OC (POC, uncalibrated radiocarbon ages of \uffe2\uff88\uffbc4,000\uffc2\uffa0years). Many of the smaller periglacial streams affected by abrupt permafrost thaw transport substantially older POC (up to 32,000\uffc2\uffa0years), especially with enhanced discharge following intense precipitation. Mineralogical analysis, and density and size fractionation of soils and both glacial and nonglacial river sediments reveal that OC is largely associated with phyllosilicate minerals, suggesting stabilization against microbial processing. Enhanced export of ancient, mineral\uffe2\uff80\uff90associated OC as a consequence of summer rainfall may accelerate translocation of OC from terrestrial to marine environments, but could have limited consequences for climate.The Arctic is warming and significant changes to the landscape, including increased vegetative cover (\uffe2\uff80\uff9cgreening\uffe2\uff80\uff9d), are expected in the near future. These landscape changes may alter nitrogen (N) availability in terrestrial, stream, and coastal ecosystems, where production is often N limited, but the exact changes in nutrient cycling are uncertain. Here, we analyzed the relationship between vegetation greenness (i.e., NDVI) and dissolved inorganic (DIN) and organic (DON) concentrations in streams draining 14 headwater catchments (mean 3.6\uffc2\uffa0km2, range 0.4\uffe2\uff80\uff9311\uffc2\uffa0km2) across three samplings in the Zackenberg area, Northeast Greenland. We found large variation in DIN and DON concentrations across the sampled streams. We further show that this variation is correlated to water temperature and catchment NDVI, such that increased vegetation greenness and temperature correlated with lower DIN, and increased greenness also correlated with higher DON concentrations in streams. The results suggest that increased terrestrial vegetation due to rising air temperature could substantially alter dissolved N concentrations and form in streams, with potentially cascading impacts on coastal areas.The Arctic is warming and significant changes to the landscape, including increased vegetative cover (\uffe2\uff80\uff9cgreening\uffe2\uff80\uff9d), are expected in the near future. These landscape changes may alter nitrogen (N) availability in terrestrial, stream, and coastal ecosystems, where production is often N limited, but the exact changes in nutrient cycling are uncertain. Here, we analyzed the relationship between vegetation greenness (i.e., NDVI) and dissolved inorganic (DIN) and organic (DON) concentrations in streams draining 14 headwater catchments (mean 3.6\uffc2\uffa0km2, range 0.4\uffe2\uff80\uff9311\uffc2\uffa0km2) across three samplings in the Zackenberg area, Northeast Greenland. We found large variation in DIN and DON concentrations across the sampled streams. We further show that this variation is correlated to water temperature and catchment NDVI, such that increased vegetation greenness and temperature correlated with lower DIN, and increased greenness also correlated with higher DON concentrations in streams. The results suggest that increased terrestrial vegetation due to rising air temperature could substantially alter dissolved N concentrations and form in streams, with potentially cascading impacts on coastal areas.This study proposes a probabilistic approach for the quantitative assessment of reach- and network-scale hydrological connectivity as dictated by river flow space\uffe2\uff80\uff93time variability. Spatial dynamics of daily streamflows are estimated based on climatic and morphological features of the contributing catchment, integrating a physically based approach that accounts for the stochasticity of rainfall with a water balance framework and a geomorphic recession flow analysis. Ecologically meaningful minimum stage thresholds are used to evaluate the connectivity of individual stream reaches, and other relevant network-scale connectivity metrics. The framework allows a quantitative description of the main hydrological causes and the ecological consequences of water depth dynamics experienced by river networks. The analysis shows that the spatial variability of local-scale hydrological connectivity is strongly affected by the spatial and temporal distribution of climatic variables. Depending on the underlying climatic settings and the critical stage threshold, loss of connectivity can be observed in the headwaters or along the main channel, thereby originating a fragmented river network. The proposed approach provides important clues for understanding the effect of climate on the ecological function of river corridors.

", "keywords": ["streamflow dynamics", "13. Climate action", "Science", "hydrological connectivity", "Q", "0207 environmental engineering", "Earth Science", "02 engineering and technology", "15. Life on land", "ecohydrology", "6. Clean water", "river fragmentation"]}, "links": [{"href": "https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.181428"}, {"href": "https://doi.org/10.1098/rsos.181428"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Royal%20Society%20Open%20Science", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1098/rsos.181428", "name": "item", "description": "10.1098/rsos.181428", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1098/rsos.181428"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2019-02-01T00:00:00Z"}}, {"id": "10.1038/s43247-021-00192-w", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:17:37Z", "type": "Journal Article", "created": "2021-06-10", "title": "Carbon dioxide fluxes increase from day to night across European streams", "description": "Abstract

Globally, inland waters emit over 2 Pg of carbon per year as carbon dioxide, of which the majority originates from streams and rivers. Despite the global significance of fluvial carbon dioxide emissions, little is known about their diel dynamics. Here we present a large-scale assessment of day- and night-time carbon dioxide fluxes at the water-air interface across 34 European streams. We directly measured fluxes four times between October 2016 and July 2017 using drifting chambers. Median fluxes are 1.4 and 2.1\uffe2\uff80\uff89mmol\uffe2\uff80\uff89m\uffe2\uff88\uff922 h\uffe2\uff88\uff921 at midday and midnight, respectively, with night fluxes exceeding those during the day by 39%. We attribute diel carbon dioxide flux variability mainly to changes in the water partial pressure of carbon dioxide. However, no consistent drivers could be identified across sites. Our findings highlight widespread day-night changes in fluvial carbon dioxide fluxes and suggest that the time of day greatly influences measured carbon dioxide fluxes across European streams.Timber sheet piles are widely used to protect canal and stream banks. Quite often, riparian vegetation also grows along these retaining structures. Roots of riparian vegetation mechanically reinforce the soil with their root systems. A timber sheetpile- vegetation model is developed taking into account the mechanical reinforcement of the vegetation roots. The model uses easy to obtain physical parameters, which makes it suitable to have a preliminary estimate of how the forces on the bio engineered structure would evolve.

", "keywords": ["Environmental sciences", "Timber", " vegetation", " stream bank", "GE1-350", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"], "contacts": [{"organization": "Abhijith Kamath, W.F. Gard, Jan-Willem G. van de Kuilen, Jan-Willem G. van de Kuilen,", "roles": ["creator"]}]}, "links": [{"href": "https://www.e3s-conferences.org/10.1051/e3sconf/20199212013/pdf"}, {"href": "https://doi.org/10.1051/e3sconf/20199212013"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/E3S%20Web%20of%20Conferences", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1051/e3sconf/20199212013", "name": "item", "description": "10.1051/e3sconf/20199212013", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1051/e3sconf/20199212013"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2019-01-01T00:00:00Z"}}, {"id": "10.1594/pangaea.963212", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:19:37Z", "type": "Dataset", "title": "Stream water chemistry and landscape characteristics in Zackenberg Valley, NE Greenland summer 2021", "description": "The data contains water chemistry and spectral catchment NDVI for 14 streams in Zackenberg Valley in Northeast Greenland, sampled summer 2021 from 10th July to 15th September. We collected water samples for measuring water chemistry, and we determined landscape parameters using GIS based tools. The data was collected at three sampling periods in summer 2021 in the Zackenberg Research Station (74\u00b028'N, 20\u00b034'W). The area has a polar tundra climate with mean annual air temperature of -9.1 \u00b0C. Water chemistry (i.e. dissolved and particulate nitrogen, phosphorus, carbon; dissolved iron and silicate) and catchment characteristics (i.e. catchment area, altitude, slope, aspect, NDVI, snow cover) was measured for each of the 14 stream sites. Water chemistry samples were collected and analyzed using standard methods, and landscape characteristics were determined using GIS resources. The data was collected in order to study relationships between landscape characteristics and stream water chemistry. The water samples were collected by a team of two people, and the detailed methods are given below.", "keywords": ["inorganic", "median", "Nitrate Nitrogen", "Nitrogen", " inorganic", " dissolved/Nitrogen", " total dissolved ratio", "Nitrate", "Normalized Difference Vegetation Index", "Latitude of event", "Inductively Coupled Plasma Mass Spectrometry ICP MS", "Arctic", "Temperature", " water", "WTW", "Total organic carbon analyzer TOC VCPH TNM 1", "Total organic carbon analyzer (TOC-VCPH/TNM-1)", " Shimadzu", "Calculated", "dissolved ratio", "Nitrate/Nitrogen", " inorganic", " dissolved ratio", "total dissolved ratio", "Multiple investigations", "Temperature", "Nitrogen", " total dissolved", "Month", "dissolved", "specific", "streams", "6. Clean water", "Nitrogen", " inorganic", " dissolved", "Chemistry", "Inductively Coupled Plasma - Mass Spectrometry (ICP-MS)", " PerkinElmer Instruments", " Optima 2000 DV", "Sum cations", "Natural Sciences", "Ammonium", "Potassium Silicon ratio", "Calcium Magnesium ratio", "Conductivity Meter", " WTW", " ProfiLine Cond 3110", "Longitude of event", "Silicon", "Lachat QuickChem 8500 flow injection autoanalyser", "Nitrogen", "organic", "water chemistry", "Iron", "Calcium/Magnesium ratio", "water", "Site", "Nitrate/Ammonium ratio", "Aspect", "Normalized Differenced Vegetation Index", " median", "Ammonium Nitrogen", "Normalized Differenced Vegetation Index", "Catchment area", "Slope", "PerkinElmer Instruments", "ProfiLine Cond 3110", "Shimadzu", "Date/Time of event", "Conductivity Meter", "Nitrate Ammonium ratio", "total dissolved", "Conductivity", "Event label", "Date Time of event", "Nitrogen", " inorganic", " dissolved/Nitrogen", " organic", " dissolved ratio", "15. Life on land", "Carbon", " organic", " dissolved", "dissolved Nitrogen", "Elevation of event", "Carbon", "rivers", "Snow coverage", "Greening", "Potassium/Silicon ratio", "Optima 2000 DV", "Nitrogen", " organic", " dissolved", "13. Climate action", "Discharge", "Conductivity", " specific", "Ammonium/Nitrogen", " inorganic", " dissolved ratio"], "contacts": [{"organization": "Riis, Tenna, Tank, Jennifer, Holmboe, Cecilie Marie Hartvig, Gim\u00e9nez-Grau, Pau, Mastepanov, Mikhail, Catalan, Nuria, Stott, David, Hansen, Birgitte, Kristiansen, S\u00f8ren M, Pastor, Ada,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1594/pangaea.963212"}, {"rel": "self", "type": "application/geo+json", "title": "10.1594/pangaea.963212", "name": "item", "description": "10.1594/pangaea.963212", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1594/pangaea.963212"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2023-01-01T00:00:00Z"}}, {"id": "10.3389/feart.2020.00286", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:20:30Z", "type": "Journal Article", "created": "2020-07-14", "title": "Silicon Isotopic Composition of Dry and Wet-Based Glaciers in Antarctica", "description": "Glaciers and ice sheets export significant amounts of silicon (Si) to downstream ecosystems, impacting local and potentially global biogeochemical cycles. Recent studies have shown Si in Arctic glacial meltwaters to have an isotopically distinct signature when compared to non-glacial rivers. This is likely linked to subglacial weathering processes and mechanochemical reactions. However, there are currently no silicon isotope (\u03b430Si) data available from meltwater streams in Antarctica, limiting the current inferences on global glacial silicon isotopic composition and its drivers. To address this gap, we present dissolved silicon (DSi), \u03b430SiDSi and major ion data from meltwater streams draining a polythermal glacier in the region of the West Antarctic peninsula (King George Island) and a cold-based glacier in East Antarctica (Commonwealth Stream, McMurdo Dry Valleys). These data, alongside other global datasets, improve our understanding of how contrasting glacier thermal regime can impact upon Si cycling and therefore the \u03b430SiDSi composition. ud We find a similar \u03b430SiDSi composition between the two sites, with the streams on King George Island varying between -0.23 and +1.23\u2030 and the Commonwealth stream varying from -0.40 to +1.14\u2030. However, meltwater streams in King George Island have higher DSi concentrations, and the two glacial systems exhibit opposite DSi - \u03b430SiDSi trends. These contrasts likely result from differences in weathering processes, specifically the role of subglacial processes (King George Island) and, supraglacial processes followed by in-stream weathering in hyporheic zones (Commonwealth Stream). These findings are important when considering likely changes in nutrient fluxes from Antarctic glaciers under climatic warming scenarios and consequent shifts in glacial thermal regimes.", "keywords": ["silicon isotope geochemistry", "550", "Stream Weathering", "Science", "Q", "500", "Antartica", "subglacial weathering", "15. Life on land", "01 natural sciences", "silicon cycle", "13. Climate action", "stream weathering", "solicon isotope", "Silicon Cycle", "Antarctica", "Subglacial Weathering", "Silicon Isotope Geochemistry", "geochemistry", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://orca.cardiff.ac.uk/id/eprint/133147/2/feart-08-00286.pdf"}, {"href": "https://doi.org/10.3389/feart.2020.00286"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Frontiers%20in%20Earth%20Science", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3389/feart.2020.00286", "name": "item", "description": "10.3389/feart.2020.00286", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3389/feart.2020.00286"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2020-07-14T00:00:00Z"}}, {"id": "10.3389/frwa.2021.801389", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:20:38Z", "type": "Journal Article", "created": "2021-12-01", "title": "Editorial: Watershed and Stream: The Inseparable Functional/Biogeochemical Unit", "description": "Este art\u00edculo contiene 2 p\u00e1ginas. CM-L received support from German Research Foundation (DFG: ME5498/3-1 and ME5498/2-1). NC received funding from the European Union\u0141s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No.839709. AL was supported by the Government of Catalonia and the European Commission through the program Beatriu de Pin\u00f3s (BP-2018-00082). Peer reviewed", "keywords": ["0301 basic medicine", "[SDU.OCEAN]Sciences of the Universe [physics]/Ocean", "0303 health sciences", "Atmosphere", "[SDU.OCEAN] Sciences of the Universe [physics]/Ocean", " Atmosphere", "scales", "reach The Inseparable Functional/Biogeochemical Unit", "Environmental technology. Sanitary engineering", "[SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces", " environment", "reach", "riparian zone", "03 medical and health sciences", "hyporheic zone", "[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces", "catchment", "environment", "stream processes", "TD1-1066", "biogeochemical cycling"]}, "links": [{"href": "https://doi.org/10.3389/frwa.2021.801389"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Frontiers%20in%20Water", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3389/frwa.2021.801389", "name": "item", "description": "10.3389/frwa.2021.801389", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3389/frwa.2021.801389"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2021-11-30T00:00:00Z"}}, {"id": "10.3390/bioengineering4020055", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:20:43Z", "type": "Journal Article", "created": "2017-06-12", "title": "Recent Advances and Challenges towards Sustainable Polyhydroxyalkanoate (PHA) Production", "description": "

Sustainable biofuels, biomaterials, and fine chemicals production is a critical matter that research teams around the globe are focusing on nowadays. Polyhydroxyalkanoates represent one of the biomaterials of the future due to their physicochemical properties, biodegradability, and biocompatibility. Designing efficient and economic bioprocesses, combined with the respective social and environmental benefits, has brought together scientists from different backgrounds highlighting the multidisciplinary character of such a venture. In the current review, challenges and opportunities regarding polyhydroxyalkanoate production are presented and discussed, covering key steps of their overall production process by applying pure and mixed culture biotechnology, from raw bioprocess development to downstream processing.

", "keywords": ["0106 biological sciences", "0301 basic medicine", "Technology", "Renewable feedstock", "QH301-705.5", "biopolymers", "Review", "7. Clean energy", "01 natural sciences", "12. Responsible consumption", "mixed microbial consortia", "03 medical and health sciences", "Biopolymers", "/dk/atira/pure/sustainabledevelopmentgoals/affordable_and_clean_energy; name=SDG 7 - Affordable and Clean Energy", "renewable feedstock", "Pure cultures", "pure cultures", "enrichment strategy", "Biology (General)", "Synthetic biology", "Polyhydroxyalkanoates", "T", "polyhydroxyalkanoates", "Mixed microbial consortia", "downstream processing", "Downstream processing", "13. Climate action", "Enrichment strategy", "synthetic biology"]}, "links": [{"href": "http://www.mdpi.com/2306-5354/4/2/55/pdf"}, {"href": "https://doi.org/10.3390/bioengineering4020055"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Bioengineering", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3390/bioengineering4020055", "name": "item", "description": "10.3390/bioengineering4020055", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3390/bioengineering4020055"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2017-06-11T00:00:00Z"}}, {"id": "10.3390/biology12040593", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:20:43Z", "type": "Journal Article", "created": "2023-04-14", "title": "Determining Tipping Points and Responses of Macroinvertebrate Traits to Abiotic Factors in Support of River Management", "description": "

Although the trait concept is increasingly used in research, quantitative relations that can support in determining ecological tipping points and serve as a basis for environmental standards are lacking. This study determines changes in trait abundance along a gradient of flow velocity, turbidity and elevation, and develops trait\u2013response curves, which facilitate the identification of ecological tipping points. Aquatic macroinvertebrates and abiotic conditions were determined at 88 different locations in the streams of the Guayas basin. After trait information collection, a set of trait diversity metrics were calculated. Negative binomial regression and linear regression were applied to relate the abundance of each trait and trait diversity metrics, respectively, to flow velocity, turbidity and elevation. Tipping points for each environmental variable in relation to traits were identified using the segmented regression method. The abundance of most traits increased with increasing velocity, while they decreased with increasing turbidity. The negative binomial regression models revealed that from a flow velocity higher than 0.5 m/s, a substantial increase in abundance occurs for several traits, and this is even more substantially noticed at values higher than 1 m/s. Furthermore, significant tipping points were also identified for elevation, wherein an abrupt decline in trait richness was observed below 22 m a.s.l., implying the need to focus water management in these altitudinal regions. Turbidity is potentially caused by erosion; thus, measures that can reduce or limit erosion within the basin should be implemented. Our findings suggest that measures mitigating the issues related to turbidity and flow velocity may lead to better aquatic ecosystem functioning. This quantitative information related to flow velocity might serve as a good basis to determine ecological flow requirements and illustrates the major impacts that hydropower dams can have in fast-running river systems. These quantitative relations between invertebrate traits and environmental conditions, as well as related tipping points, provide a basis to determine critical targets for aquatic ecosystem management, achieve improved ecosystem functioning and warrant trait diversity.

", "keywords": ["NUISANCE PARAMETER", "QH301-705.5", "BIOLOGICAL TRAITS", "Article", "flow velocity", "traits", "threshold values", "HUMAN DISTURBANCES", "14. Life underwater", "Biology (General)", "ECOLOGICAL WATER-QUALITY", "limnology", "sediments", "Biology and Life Sciences", "15. Life on land", "6. Clean water", "turbidity", "flow velocity; limnology; river management; threshold values; tipping points; traits; sediments; turbidity", "13. Climate action", "FINE SEDIMENT", "tipping points", "AQUATIC INSECTS", "MULTIPLE-STRESSORS", "STREAM MACROINVERTEBRATES", "HABITAT SUITABILITY", "river management", "INVERTEBRATE COMMUNITIES"]}, "links": [{"href": "http://www.mdpi.com/2079-7737/12/4/593/pdf"}, {"href": "https://www.mdpi.com/2079-7737/12/4/593/pdf"}, {"href": "https://doi.org/10.3390/biology12040593"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Biology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3390/biology12040593", "name": "item", "description": "10.3390/biology12040593", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3390/biology12040593"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2023-04-13T00:00:00Z"}}, {"id": "10.3390/microplastics2010001", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:20:51Z", "type": "Journal Article", "created": "2022-12-27", "title": "Microplastics: A Review of Policies and Responses", "description": "

Although (micro)plastic contamination is a worldwide concern, most scientific literature only restates that issue rather than presenting strategies to cope with it. This critical review assembles the current knowledge on policies and responses to tackle plastic pollution, including peer-reviewed scientific literature, gray literature and relevant reports to provide: (1) a timeline of policies directly or indirectly addressing microplastics; (2) the most up-to-date upstream responses to prevent microplastics pollution, such as circular economy, behavioral change, development of bio-based polymers and market-based instruments as well as source-specific strategies, focusing on the clothing industry, tire and road wear particles, antifouling paints and recreational activities; (3) a set of downstream responses tackling microplastics, such as waste to energy, degradation, water treatment plants and litter clean-up strategies; and examples of (4) multifaceted responses focused on both mitigating and preventing microplastics pollution, e.g., approaches implemented in fisheries and aquaculture facilities. Preventive strategies and multifaceted responses are postulated as pivotal to handling the exacerbated release of microplastics in the environment, while downstream responses stand out as auxiliary strategies to the chief upstream responses. The information gathered here bridges the knowledge gaps on (micro)plastic pollution by providing a synthesized baseline material for further studies addressing this environmental issue.

", "keywords": ["0106 biological sciences", "ddc:550", "QH301-705.5", "QD415-436", "Microbiology", "Biochemistry", "01 natural sciences", "downstream responses", "QR1-502", "6. Clean water", "12. Responsible consumption", "mitigation", "prevention", "13. Climate action", "policymaking", "Life Science", "microplastic contamination", "14. Life underwater", "Biology (General)", "upstream responses", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://www.mdpi.com/2673-8929/2/1/1/pdf"}, {"href": "https://doi.org/10.3390/microplastics2010001"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Microplastics", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3390/microplastics2010001", "name": "item", "description": "10.3390/microplastics2010001", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3390/microplastics2010001"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2022-12-23T00:00:00Z"}}, {"id": "10.3390/w12061722", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:21:02Z", "type": "Journal Article", "created": "2020-06-18", "title": "Influence of Dissolved Organic Matter Sources on In-Stream Net Dissolved Organic Carbon Uptake in a Mediterranean Stream", "description": "

Studies exploring how different sources of dissolved organic matter (DOM) influence in-stream dissolved organic carbon (DOC) uptake at the ecosystem scale are scarce in the literature. To fill this knowledge gap, we examined the relationship between DOM sources and in-stream net DOC uptake (UDOC) in a sub-humid Mediterranean stream. We considered four reach-scale scenarios occurring under natural conditions that differed in predominant DOM sources (groundwater, leaf litter, and/or upstream water). Results showed that groundwater inputs favored in-stream net DOC uptake, while leaf litter inputs promoted in-stream net DOC release. However, there was no clear effect of DOM source mixing on the magnitude of UDOC. Further, the variability in UDOC within and among scenarios was mostly explained by stream DOC concentration, suggesting that DOC availability limits microbial activity in this stream. DOM composition became a controlling factor of UDOC variability only during the leaf litter period, when stream DOC concentration was the highest. Together, these results suggest that the capacity of headwater forested streams to process DOC is closely tied to the availability of different DOM sources and how they vary over time and along the river network.

", "keywords": ["[SDU.OCEAN]Sciences of the Universe [physics]/Ocean", "leaf litter", "carbon availability", "Atmosphere", "[SDU.OCEAN] Sciences of the Universe [physics]/Ocean", " Atmosphere", "577", "Leaf litter", "910", "15. Life on land", "dissolved organic carbon", "01 natural sciences", "[SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces", " environment", "6. Clean water", "Dissolved organic matter composition", "groundwater inputs", "13. Climate action", "Groundwater inputs", "dissolved organic matter composition", "In-stream net uptake", "[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces", "Dissolved organic carbon", "environment", "in-stream net uptake", "Carbon availability", "0105 earth and related environmental sciences"]}, "links": [{"href": "http://www.mdpi.com/2073-4441/12/6/1722/pdf"}, {"href": "https://www.mdpi.com/2073-4441/12/6/1722/pdf"}, {"href": "https://doi.org/10.3390/w12061722"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Water", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3390/w12061722", "name": "item", "description": "10.3390/w12061722", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3390/w12061722"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2020-06-17T00:00:00Z"}}, {"id": "10.3390/w13162238", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:21:02Z", "type": "Journal Article", "created": "2021-08-18", "title": "Multi-Step Calibration Approach for SWAT Model Using Soil Moisture and Crop Yields in a Small Agricultural Catchment", "description": "

The quantitative prediction of hydrological components through hydrological models could serve as a basis for developing better land and water management policies. This study provides a comprehensive step by step modelling approach for a small agricultural watershed using the SWAT model. The watershed is situated in Petzenkirchen in the western part of Lower Austria and has total area of 66 hectares. At present, 87% of the catchment area is arable land, 5% is used as pasture, 6% is forested and 2% is paved. The calibration approach involves a sequential calibration of the model starting from surface runoff, and groundwater flow, followed by crop yields and then soil moisture, and finally total streamflow and sediment yields. Calibration and validation are carried out using the r-package SWATplusR. The impact of each calibration step on sediment yields and total streamflow is evaluated. The results of this approach are compared with those of the conventional model calibration approach, where all the parameters governing various hydrological processes are calibrated simultaneously. Results showed that the model was capable of successfully predicting surface runoff, groundwater flow, soil profile water content, total streamflow and sediment yields with Nash-Sutcliffe efficiency (NSE) of greater than 0.75. Crop yields were also well simulated with a percent bias (PBIAS) ranging from \u221217% to 14%. Surface runoff calibration had the highest impact on streamflow output, improving NSE from 0.39 to 0.77. The step-wise calibration approach performed better for streamflow prediction than the simultaneous calibration approach. The results of this study show that the step-wise calibration approach is more accurate, and provides a better representation of different hydrological components and processes than the simultaneous calibration approach.

", "keywords": ["Step-wise calibration", "2. Zero hunger", "step-wise calibration", "Crop yields", "soil erosion model", "Sequential calibration", "Sediment yield", "0207 environmental engineering", "HOAL", "crop yields", "Streamflow", "SWATplusR", "04 agricultural and veterinary sciences", "02 engineering and technology", "15. Life on land", "sediment yield", "6. Clean water", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "SWAT", "Soil erosion model", "streamflow", "Soil moisture", "soil moisture", "sequential calibration"]}, "links": [{"href": "http://www.mdpi.com/2073-4441/13/16/2238/pdf"}, {"href": "https://www.mdpi.com/2073-4441/13/16/2238/pdf"}, {"href": "https://doi.org/10.3390/w13162238"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Water", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3390/w13162238", "name": "item", "description": "10.3390/w13162238", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3390/w13162238"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2021-08-17T00:00:00Z"}}, {"id": "10.4067/s0717-92002011000100002", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:21:10Z", "type": "Journal Article", "created": "2011-05-23", "description": "Se estudiaron las propiedades hidrologicas del suelo y la exportacion de sedimentos en una microcuenca con bosque nativo siempreverde y otra con plantacion de Eucalyptus globulus, localizadas en la Cordillera de la Costa en el sur de Chile. Se instalaron registradores de escorrentia y colectores de sedimentos en suspension y de fondo, se midieron las tasas de infiltracion y se determinaron las propiedades hidrologicas del suelo: conductividad hidraulica saturada, indice de continuidad de poros e hidrofobia. Las tasas de infiltracion fueron mayores (P < 0,05) en el bosque nativo: entre 703,3 \u00b1 380,0 y 76,9 \u00b1 56,7 mm h-1, en marzo y julio, respectivamente; que en la plantacion: 23,0 \u00b1 19,7 y 6,7 \u00b1 5,0 mm h-1 en agosto y abril, respectivamente (promedio \u00b1 S). La conductividad hidraulica saturada bajo bosque nativo, fue mayor (P < 0,05) que bajo plantacion, lo que indicaria una mayor capacidad de conduccion de agua del suelo bajo bosque nativo. El indice de continuidad de poros fue mayor (P < 0,05) en el suelo bajo bosque nativo. Las concentraciones de sedimentos en suspension, en ambas microcuencas, mostraron grandes variaciones intraanuales, en respuesta a las fluctuaciones de las precipitaciones y escorrentia. La exportacion de sedimentos en suspension fue de 305 y 368 kg ha-1 ano-1 en el bosque nativo y plantacion, respectivamente. El uso historico del suelo, especialmente en el caso de E. globulus, que reflejaba condiciones de transicion de pradera a plantacion, permitio explicar las diferencias en las propiedades hidrologicas del suelo con respecto al bosque nativo.", "keywords": ["plantaci\u00f3n de Eucalyptus", "infiltraci\u00f3n", "bosque nativo siempreverde", "escorrent\u00eda", "sedimentos en suspensi\u00f3n", "0208 environmental biotechnology", "0207 environmental engineering", "native evergreen forest", "streamflow", "02 engineering and technology", "Eucalyptus plantation", "suspended sediments", "infiltration"]}, "links": [{"href": "https://doi.org/10.4067/s0717-92002011000100002"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Bosque%20%28Valdivia%29", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.4067/s0717-92002011000100002", "name": "item", "description": "10.4067/s0717-92002011000100002", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.4067/s0717-92002011000100002"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-01-01T00:00:00Z"}}, {"id": "10.5194/hess-19-4201-2015", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:21:50Z", "type": "Journal Article", "created": "2015-10-20", "title": "Multidecadal Change In Streamflow Associated With Anthropogenic Disturbances In The Tropical Andes", "description": "

Abstract. Andean headwater catchments are an important source of freshwater for downstream water users. However, few long-term studies exist on the relative importance of climate change and direct anthropogenic perturbations on flow regimes in these catchments. In this paper, we assess change in streamflow based on long time series of hydrometeorological data (1974\uffe2\uff80\uff932008) and land cover reconstructions (1963\uffe2\uff80\uff932009) in the Pangor catchment (282 km2) located in the tropical Andes. Three main land cover change trajectories can be distinguished during the period 1963\uffe2\uff80\uff932009: (1) expansion of agricultural land by an area equal to 14 % of the catchment area (or 39 km2) in 46 years' time, (2) deforestation of native forests by 11 % (or \uffe2\uff88\uff9231 km2) corresponding to a mean rate of 67 ha yr\uffe2\uff88\uff921, and (3) afforestation with exotic species in recent years by about 5 % (or 15 km2). Over the time period 1963\uffe2\uff80\uff932009, about 50 % of the 64 km2 of native forests was cleared and converted to agricultural land. Given the strong temporal variability of precipitation and streamflow data related to El Ni\uffc3\uffb1o\uffe2\uff80\uff93Southern Oscillation, we use empirical mode decomposition techniques to detrend the time series. The long-term increasing trend in rainfall is remarkably different from the observed changes in streamflow, which exhibit a decreasing trend. Hence, observed changes in streamflow are not the result of long-term change in precipitation but very likely result from anthropogenic disturbances associated with land cover change.

", "keywords": ["Technology", "Period (music)", "0208 environmental biotechnology", "Urban Flooding", "Precipitation", "02 engineering and technology", "Oceanography", "Environmental technology. Sanitary engineering", "land-use change", "Geography. Anthropology. Recreation", "Climate change", "GE1-350", "TD1-1066", "Water Science and Technology", "Climatology", "2. Zero hunger", "Global and Planetary Change", "Geography", "Ecology", "T", "Physics", "Hydrology (agriculture)", "Geology", "Programming language", "Hydrological Modeling and Water Resource Management", "Physical Sciences", "Cartography", "Land cover", "1443", "Hydrometeorology", "Drainage basin", "0207 environmental engineering", "Streamflow", "Environmental science", "G", "Global Flood Risk Assessment and Management", "Meteorology", "Afforestation", "Agroforestry", "Biology", "Land use", " land-use change and forestry", "FOS: Earth and related environmental sciences", "Acoustics", "15. Life on land", "Computer science", "Environmental sciences", "Geotechnical engineering", "Deforestation (computer science)", "13. Climate action", "FOS: Biological sciences", "Environmental Science", "Global Drought Monitoring and Assessment", "Land use"]}, "links": [{"href": "https://doi.org/10.5194/hess-19-4201-2015"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Hydrology%20and%20Earth%20System%20Sciences", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.5194/hess-19-4201-2015", "name": "item", "description": "10.5194/hess-19-4201-2015", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5194/hess-19-4201-2015"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2015-10-20T00:00:00Z"}}, {"id": "10.5281/zenodo.14568729", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:22:42Z", "type": "Dataset", "title": "Biogeochemistry and greenhouse gases at an eroding Yedoma permafrost site in Siberia (Duvanny Yar)", "description": "This datafile is a supplement to a publication titled 'Greenhouse gas emissions and lateral carbon dynamics at an eroding Yedoma permafrost site in Siberia (Duvanny Yar)' by Keskitalo et al. 2025 in Global Change Biology\u00a0https://doi.org/10.1111/gcb.70071. This dataset consists of biogeochemical data from thaw streams and outflow sites at Duvanny Yar, Siberia. The dataset also includes biogeochemical and greenhouse gas data during incubations of thaw stream and outflow waters.", "keywords": ["organic carbon cycle", "CH4", "arctic", "CO2", "riverbank erosion", "incubation", "thaw stream"], "contacts": [{"organization": "Keskitalo, Kirsi H., Br\u00f6der, Lisa, Jong, Dirk J., Mann, Paul J., Tesi, Tommaso, Davydova, Anna, Zimov, Nikita, Haghipour, Negar, Eglinton, Timothy I., Vonk, Jorien E.,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5281/zenodo.14568729"}, {"rel": "self", "type": "application/geo+json", "title": "10.5281/zenodo.14568729", "name": "item", "description": "10.5281/zenodo.14568729", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5281/zenodo.14568729"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2025-01-17T00:00:00Z"}}, {"id": "10.5281/zenodo.6463925", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:23:28Z", "type": "Dataset", "title": "The true colour of water at Upper Penticton Creek -- data and scripts", "description": "These files contain data and scripts used in the analysis for an article titled ' Streamwater colour in snow-dominated headwater catchments: natural variability and the effects of forest harvesting,' by R.D. Moore, R.D. Winkler and G.D. Hope, to be published in Hydrological Processes. The file upc_water_colour.csv contains the colour data as expressed in true colour units (TCU). The first line is a comment that should be skipped, noting that entries of 'creek dry' have been manually edited out of this version of the data. All other editing was performed in the script named 0_wrangle_data.r. The columns are as follows: Year - year of observation as four-digit value (e.g., 2005) Date - date as dd-Mmm (e.g., 15-May) Day - day of year (e.g., 1-Jan = 1) Cut241 - cumulative area harvested in 241 Creek as a percentage of catchment area Cut242 - cumulative area harvested in 241 Creek as a percentage of catchment area wc_240 - water colour (TCU) in 240 Creek wc_241 - water colour (TCU) in 241 Creek wc_242 - water colour (TCU) in 242 Creek The scripts are numbered in the order of dependency. For example, a script beginning 0_ should be run before running a script beginning 1_. The scripts are set up to be run within an R project on the local hard drive. The project directory should contain a folder named data that contains upc_water_colour.csv. All other data sets are accessed programmatically within the scripts. Brief descriptions of the scripts follow: 0_wrangle_data.r - Uses functions in the tidyhydat package to access streamflow data; corrects some erroneous entries for the water colour data; merges streamflow and colour data sets for further analysis. 0_wrangle_spatial_data.r - Accesses digital elevation models (DEMs) catchment boundaries and soil map from the Upper Penticton Creek data repository (zenodo); computes various topographic indices from the DEMS; saves processed files on the local hard drive in a folder named dem, located within the project root folder. 1_soil_maps.r - Generates a map of the gleyed soil units (Figure 2). 1_q_pca_trimonthly.r - Performs a paired-catchment analysis of the streamflow response to logging using a tri-monthly time step; generates plots of observed and predicted streamflow for 241 and 242 Creeks (Figure 3). 1_wc_analysis_post_140.r - Analyses water colour variations and response to logging; generates figures used in the article; analysis focuses on days 145 and on each year due to lack of data for earlier dates in the pre-harvest period. 1_catchment_characteristics.r - Computes topographic indices for each catchment and generates a table (Table 1) that contains a summary of catchment characteristics. ch_saga_functions.r - Contains functions that use RSAGA package to process the digital elevation models to remove sinks and calculate contributing area grids.", "keywords": ["paired-catchment experiment", "snowmelt", "forestry", "streamflow", "true colour", "15. Life on land", "water quality", "dissolved organic carbon", "headwater", "6. Clean water"], "contacts": [{"organization": "Moore, R.D.", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5281/zenodo.6463925"}, {"rel": "self", "type": "application/geo+json", "title": "10.5281/zenodo.6463925", "name": "item", "description": "10.5281/zenodo.6463925", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5281/zenodo.6463925"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2022-04-15T00:00:00Z"}}, {"id": "10.5281/zenodo.8017835", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:23:41Z", "type": "Dataset", "title": "Hydrobiogeochemical controls on the delivery of dissolved organic matter to boreal headwater streams", "description": "Dataset of continuous stream discharge, soil moisture, and hydrographic separation of Upper Horseshoe and Lower Horseshoe stream sites near Pynn's Brook, Newfoundland. Matched to continuous data where available are dissolved organic carbon concentration, absorbance at 254 nm and specific UV absorbance measurements from discrete samples collected via autosampler or grab-sampled.", "keywords": ["C-Q Hysteresis", "Watershed scale responses", "Preferential flowpaths", "CDOM", "DOC", "DOM", "Boreal headwater stream", "6. Clean water", "SUVA"], "contacts": [{"organization": "Roebuck, J. Alan Jr., Prestegard, Karen, Gaviria Salazar, Christian, Myers-Pigg, Allison N., Ziegler, Susan E.,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5281/zenodo.8017835"}, {"rel": "self", "type": "application/geo+json", "title": "10.5281/zenodo.8017835", "name": "item", "description": "10.5281/zenodo.8017835", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5281/zenodo.8017835"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2023-06-08T00:00:00Z"}}, {"id": "10261/215719", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:24:35Z", "type": "Journal Article", "created": "2020-06-18", "title": "Influence of Dissolved Organic Matter Sources on In-Stream Net Dissolved Organic Carbon Uptake in a Mediterranean Stream", "description": "

Studies exploring how different sources of dissolved organic matter (DOM) influence in-stream dissolved organic carbon (DOC) uptake at the ecosystem scale are scarce in the literature. To fill this knowledge gap, we examined the relationship between DOM sources and in-stream net DOC uptake (UDOC) in a sub-humid Mediterranean stream. We considered four reach-scale scenarios occurring under natural conditions that differed in predominant DOM sources (groundwater, leaf litter, and/or upstream water). Results showed that groundwater inputs favored in-stream net DOC uptake, while leaf litter inputs promoted in-stream net DOC release. However, there was no clear effect of DOM source mixing on the magnitude of UDOC. Further, the variability in UDOC within and among scenarios was mostly explained by stream DOC concentration, suggesting that DOC availability limits microbial activity in this stream. DOM composition became a controlling factor of UDOC variability only during the leaf litter period, when stream DOC concentration was the highest. Together, these results suggest that the capacity of headwater forested streams to process DOC is closely tied to the availability of different DOM sources and how they vary over time and along the river network.

", "keywords": ["[SDU.OCEAN]Sciences of the Universe [physics]/Ocean", "leaf litter", "carbon availability", "Atmosphere", "[SDU.OCEAN] Sciences of the Universe [physics]/Ocean", " Atmosphere", "577", "Leaf litter", "910", "15. Life on land", "dissolved organic carbon", "01 natural sciences", "[SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces", " environment", "6. Clean water", "Dissolved organic matter composition", "groundwater inputs", "13. Climate action", "Groundwater inputs", "dissolved organic matter composition", "In-stream net uptake", "[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces", "Dissolved organic carbon", "environment", "in-stream net uptake", "Carbon availability", "0105 earth and related environmental sciences"]}, "links": [{"href": "http://www.mdpi.com/2073-4441/12/6/1722/pdf"}, {"href": "https://www.mdpi.com/2073-4441/12/6/1722/pdf"}, {"href": "https://doi.org/10261/215719"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Water", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10261/215719", "name": "item", "description": "10261/215719", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10261/215719"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2020-06-17T00:00:00Z"}}, {"id": "10261/253007", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:24:36Z", "type": "Journal Article", "created": "2021-08-17", "title": "Multi-Step Calibration Approach for SWAT Model Using Soil Moisture and Crop Yields in a Small Agricultural Catchment", "description": "

The quantitative prediction of hydrological components through hydrological models could serve as a basis for developing better land and water management policies. This study provides a comprehensive step by step modelling approach for a small agricultural watershed using the SWAT model. The watershed is situated in Petzenkirchen in the western part of Lower Austria and has total area of 66 hectares. At present, 87% of the catchment area is arable land, 5% is used as pasture, 6% is forested and 2% is paved. The calibration approach involves a sequential calibration of the model starting from surface runoff, and groundwater flow, followed by crop yields and then soil moisture, and finally total streamflow and sediment yields. Calibration and validation are carried out using the r-package SWATplusR. The impact of each calibration step on sediment yields and total streamflow is evaluated. The results of this approach are compared with those of the conventional model calibration approach, where all the parameters governing various hydrological processes are calibrated simultaneously. Results showed that the model was capable of successfully predicting surface runoff, groundwater flow, soil profile water content, total streamflow and sediment yields with Nash-Sutcliffe efficiency (NSE) of greater than 0.75. Crop yields were also well simulated with a percent bias (PBIAS) ranging from \u221217% to 14%. Surface runoff calibration had the highest impact on streamflow output, improving NSE from 0.39 to 0.77. The step-wise calibration approach performed better for streamflow prediction than the simultaneous calibration approach. The results of this study show that the step-wise calibration approach is more accurate, and provides a better representation of different hydrological components and processes than the simultaneous calibration approach.

", "keywords": ["Step-wise calibration", "2. Zero hunger", "step-wise calibration", "Crop yields", "soil erosion model", "Sequential calibration", "Sediment yield", "0207 environmental engineering", "HOAL", "crop yields", "Streamflow", "SWATplusR", "04 agricultural and veterinary sciences", "02 engineering and technology", "15. Life on land", "sediment yield", "6. Clean water", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "SWAT", "Soil erosion model", "streamflow", "Soil moisture", "soil moisture", "sequential calibration"]}, "links": [{"href": "http://www.mdpi.com/2073-4441/13/16/2238/pdf"}, {"href": "https://www.mdpi.com/2073-4441/13/16/2238/pdf"}, {"href": "https://doi.org/10261/253007"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Water", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10261/253007", "name": "item", "description": "10261/253007", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10261/253007"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2021-08-17T00:00:00Z"}}, {"id": "10278/5031900", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:24:43Z", "type": "Journal Article", "created": "2022-12-12", "title": "Pulse, Shunt and Storage: Hydrological Contraction Shapes Processing and Export of Particulate Organic Matter in River Networks", "description": "Abstract

Streams and rivers act as landscape-scale bioreactors processing large quantities of terrestrial particulate organic matter (POM). This function is linked to their flow regime, which governs residence times, shapes organic matter reactivity and controls the amount of carbon (C) exported to the atmosphere and coastal oceans. Climate change impacts flow regimes by increasing both flash floods and droughts. Here, we used a modelling approach to explore the consequences of lateral hydrological contraction, that is, the reduction of the wet portion of the streambed, for POM decomposition and transport at the river network scale. Our model integrates seasonal leaf litter input as generator of POM, transient storage of POM on wet and dry streambed portions with associated decomposition and ensuing changes in reactivity, and transport dynamics through a dendritic river network. Simulations showed that the amount of POM exported from the river network and its average reactivity increased with lateral hydrological contraction, due to the combination of (1) low processing of POM while stored on dry streambeds, and (2) large shunting during flashy events. The sensitivity analysis further supported that high lateral hydrological contraction leads to higher export of higher reactivity POM, regardless of transport coefficient values, average reactivity of fresh leaf litter and differences between POM reactivity under wet and dry conditions. Our study incorporates storage in dry streambed areas into the pulse-shunt concept (Raymond and others in Ecology 97(1):5\uffe2\uff80\uff9316, 2016. https://doi.org/10.1890/14-1684.1), providing a mechanistic framework and testable predictions about leaf litter storage, transport and decomposition in fluvial networks.Dissolved organic matter (DOM) composition exerts a direct control on its degradation and subsequent persistence in aquatic ecosystems. Yet, under certain conditions, the degradation patterns of DOM cannot be solely explained by its composition, highlighting the relevance of environmental conditions for DOM degradation. Here, we experimentally assessed the relative influence of composition vs. environment on DOM degradation by performing degradation bioassays using three contrasting DOM sources inoculated with a standardized bacterial inoculum under five distinct environments. The DOM degradation kinetics modeled using reactivity continuum models showed that composition was more important than environment in determining the bulk DOM decay patterns. Changes in DOM composition resulted from the interaction between DOM source and environment. The role of environment was stronger on shaping the bacterial community composition, but the intrinsic nature of the DOM source exerted stronger control on the DOM degradation function.Globally, inland waters emit over 2 Pg of carbon per year as carbon dioxide, of which the majority originates from streams and rivers. Despite the global significance of fluvial carbon dioxide emissions, little is known about their diel dynamics. Here we present a large-scale assessment of day- and night-time carbon dioxide fluxes at the water-air interface across 34 European streams. We directly measured fluxes four times between October 2016 and July 2017 using drifting chambers. Median fluxes are 1.4 and 2.1\uffe2\uff80\uff89mmol\uffe2\uff80\uff89m\uffe2\uff88\uff922 h\uffe2\uff88\uff921 at midday and midnight, respectively, with night fluxes exceeding those during the day by 39%. We attribute diel carbon dioxide flux variability mainly to changes in the water partial pressure of carbon dioxide. However, no consistent drivers could be identified across sites. Our findings highlight widespread day-night changes in fluvial carbon dioxide fluxes and suggest that the time of day greatly influences measured carbon dioxide fluxes across European streams.

Although the trait concept is increasingly used in research, quantitative relations that can support in determining ecological tipping points and serve as a basis for environmental standards are lacking. This study determines changes in trait abundance along a gradient of flow velocity, turbidity and elevation, and develops trait\u2013response curves, which facilitate the identification of ecological tipping points. Aquatic macroinvertebrates and abiotic conditions were determined at 88 different locations in the streams of the Guayas basin. After trait information collection, a set of trait diversity metrics were calculated. Negative binomial regression and linear regression were applied to relate the abundance of each trait and trait diversity metrics, respectively, to flow velocity, turbidity and elevation. Tipping points for each environmental variable in relation to traits were identified using the segmented regression method. The abundance of most traits increased with increasing velocity, while they decreased with increasing turbidity. The negative binomial regression models revealed that from a flow velocity higher than 0.5 m/s, a substantial increase in abundance occurs for several traits, and this is even more substantially noticed at values higher than 1 m/s. Furthermore, significant tipping points were also identified for elevation, wherein an abrupt decline in trait richness was observed below 22 m a.s.l., implying the need to focus water management in these altitudinal regions. Turbidity is potentially caused by erosion; thus, measures that can reduce or limit erosion within the basin should be implemented. Our findings suggest that measures mitigating the issues related to turbidity and flow velocity may lead to better aquatic ecosystem functioning. This quantitative information related to flow velocity might serve as a good basis to determine ecological flow requirements and illustrates the major impacts that hydropower dams can have in fast-running river systems. These quantitative relations between invertebrate traits and environmental conditions, as well as related tipping points, provide a basis to determine critical targets for aquatic ecosystem management, achieve improved ecosystem functioning and warrant trait diversity.

", "keywords": ["NUISANCE PARAMETER", "QH301-705.5", "BIOLOGICAL TRAITS", "Article", "flow velocity", "traits", "threshold values", "HUMAN DISTURBANCES", "14. Life underwater", "Biology (General)", "ECOLOGICAL WATER-QUALITY", "limnology", "sediments", "Biology and Life Sciences", "15. Life on land", "6. Clean water", "turbidity", "flow velocity; limnology; river management; threshold values; tipping points; traits; sediments; turbidity", "13. Climate action", "FINE SEDIMENT", "tipping points", "AQUATIC INSECTS", "MULTIPLE-STRESSORS", "STREAM MACROINVERTEBRATES", "HABITAT SUITABILITY", "river management", "INVERTEBRATE COMMUNITIES"]}, "links": [{"href": "http://www.mdpi.com/2079-7737/12/4/593/pdf"}, {"href": "https://www.mdpi.com/2079-7737/12/4/593/pdf"}, {"href": "https://doi.org/1854/LU-01GZNG9XD0YQ88N9VFWJ230QK9"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Biology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "1854/LU-01GZNG9XD0YQ88N9VFWJ230QK9", "name": "item", "description": "1854/LU-01GZNG9XD0YQ88N9VFWJ230QK9", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/1854/LU-01GZNG9XD0YQ88N9VFWJ230QK9"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2023-04-13T00:00:00Z"}}, {"id": "1983/5ade10d7-e52b-449b-a041-157faf95a175", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:25:16Z", "type": "Journal Article", "created": "2020-07-14", "title": "Silicon Isotopic Composition of Dry and Wet-Based Glaciers in Antarctica", "description": "Glaciers and ice sheets export significant amounts of silicon (Si) to downstream ecosystems, impacting local and potentially global biogeochemical cycles. Recent studies have shown Si in Arctic glacial meltwaters to have an isotopically distinct signature when compared to non-glacial rivers. This is likely linked to subglacial weathering processes and mechanochemical reactions. However, there are currently no silicon isotope (\u03b430Si) data available from meltwater streams in Antarctica, limiting the current inferences on global glacial silicon isotopic composition and its drivers. To address this gap, we present dissolved silicon (DSi), \u03b430SiDSi and major ion data from meltwater streams draining a polythermal glacier in the region of the West Antarctic peninsula (King George Island) and a cold-based glacier in East Antarctica (Commonwealth Stream, McMurdo Dry Valleys). These data, alongside other global datasets, improve our understanding of how contrasting glacier thermal regime can impact upon Si cycling and therefore the \u03b430SiDSi composition. ud We find a similar \u03b430SiDSi composition between the two sites, with the streams on King George Island varying between -0.23 and +1.23\u2030 and the Commonwealth stream varying from -0.40 to +1.14\u2030. However, meltwater streams in King George Island have higher DSi concentrations, and the two glacial systems exhibit opposite DSi - \u03b430SiDSi trends. These contrasts likely result from differences in weathering processes, specifically the role of subglacial processes (King George Island) and, supraglacial processes followed by in-stream weathering in hyporheic zones (Commonwealth Stream). These findings are important when considering likely changes in nutrient fluxes from Antarctic glaciers under climatic warming scenarios and consequent shifts in glacial thermal regimes.", "keywords": ["silicon isotope geochemistry", "550", "Stream Weathering", "Science", "Q", "500", "Antartica", "subglacial weathering", "15. Life on land", "01 natural sciences", "silicon cycle", "13. Climate action", "stream weathering", "solicon isotope", "Silicon Cycle", "Antarctica", "Subglacial Weathering", "Silicon Isotope Geochemistry", "geochemistry", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://orca.cardiff.ac.uk/id/eprint/133147/2/feart-08-00286.pdf"}, {"href": "https://doi.org/1983/5ade10d7-e52b-449b-a041-157faf95a175"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Frontiers%20in%20Earth%20Science", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "1983/5ade10d7-e52b-449b-a041-157faf95a175", "name": "item", "description": "1983/5ade10d7-e52b-449b-a041-157faf95a175", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/1983/5ade10d7-e52b-449b-a041-157faf95a175"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2020-07-14T00:00:00Z"}}, {"id": "20.500.11850/582974", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:25:23Z", "type": "Journal Article", "created": "2022-11-01", "title": "Contrasting Export of Particulate Organic Carbon From Greenlandic Glacial and Nonglacial Streams", "description": "Abstract

On\uffe2\uff80\uff90going shrinkage of Greenland's icecap, permafrost thaw, and changes in precipitation are exposing its landscapes to erosion and remobilization of ancient organic carbon (OC) held in soils and sedimentary rocks. The fate of this OC and potential feedbacks to climate are still unclear. Here, we show that the glacial Zackenberg river (Northeastern Greenland) exports aged particulate OC (POC, uncalibrated radiocarbon ages of \uffe2\uff88\uffbc4,000\uffc2\uffa0years). Many of the smaller periglacial streams affected by abrupt permafrost thaw transport substantially older POC (up to 32,000\uffc2\uffa0years), especially with enhanced discharge following intense precipitation. Mineralogical analysis, and density and size fractionation of soils and both glacial and nonglacial river sediments reveal that OC is largely associated with phyllosilicate minerals, suggesting stabilization against microbial processing. Enhanced export of ancient, mineral\uffe2\uff80\uff90associated OC as a consequence of summer rainfall may accelerate translocation of OC from terrestrial to marine environments, but could have limited consequences for climate.

Studies exploring how different sources of dissolved organic matter (DOM) influence in-stream dissolved organic carbon (DOC) uptake at the ecosystem scale are scarce in the literature. To fill this knowledge gap, we examined the relationship between DOM sources and in-stream net DOC uptake (UDOC) in a sub-humid Mediterranean stream. We considered four reach-scale scenarios occurring under natural conditions that differed in predominant DOM sources (groundwater, leaf litter, and/or upstream water). Results showed that groundwater inputs favored in-stream net DOC uptake, while leaf litter inputs promoted in-stream net DOC release. However, there was no clear effect of DOM source mixing on the magnitude of UDOC. Further, the variability in UDOC within and among scenarios was mostly explained by stream DOC concentration, suggesting that DOC availability limits microbial activity in this stream. DOM composition became a controlling factor of UDOC variability only during the leaf litter period, when stream DOC concentration was the highest. Together, these results suggest that the capacity of headwater forested streams to process DOC is closely tied to the availability of different DOM sources and how they vary over time and along the river network.

", "keywords": ["[SDU.OCEAN]Sciences of the Universe [physics]/Ocean", "leaf litter", "carbon availability", "Atmosphere", "[SDU.OCEAN] Sciences of the Universe [physics]/Ocean", " Atmosphere", "577", "Leaf litter", "910", "15. Life on land", "dissolved organic carbon", "01 natural sciences", "[SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces", " environment", "6. Clean water", "Dissolved organic matter composition", "groundwater inputs", "13. Climate action", "Groundwater inputs", "dissolved organic matter composition", "In-stream net uptake", "[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces", "Dissolved organic carbon", "environment", "in-stream net uptake", "Carbon availability", "0105 earth and related environmental sciences"]}, "links": [{"href": "http://www.mdpi.com/2073-4441/12/6/1722/pdf"}, {"href": "https://www.mdpi.com/2073-4441/12/6/1722/pdf"}, {"href": "https://doi.org/3036446340"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Water", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "3036446340", "name": "item", "description": "3036446340", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/3036446340"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2020-06-17T00:00:00Z"}}, {"id": "3217448765", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:26:19Z", "type": "Journal Article", "created": "2021-12-01", "title": "Editorial: Watershed and Stream: The Inseparable Functional/Biogeochemical Unit", "description": "Este art\u00edculo contiene 2 p\u00e1ginas. CM-L received support from German Research Foundation (DFG: ME5498/3-1 and ME5498/2-1). NC received funding from the European Union\u0141s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No.839709. AL was supported by the Government of Catalonia and the European Commission through the program Beatriu de Pin\u00f3s (BP-2018-00082). Peer reviewed", "keywords": ["0301 basic medicine", "[SDU.OCEAN]Sciences of the Universe [physics]/Ocean", "0303 health sciences", "Atmosphere", "[SDU.OCEAN] Sciences of the Universe [physics]/Ocean", " Atmosphere", "scales", "reach The Inseparable Functional/Biogeochemical Unit", "Environmental technology. Sanitary engineering", "[SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces", " environment", "reach", "riparian zone", "03 medical and health sciences", "hyporheic zone", "[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces", "catchment", "environment", "stream processes", "TD1-1066", "biogeochemical cycling"]}, "links": [{"href": "https://doi.org/3217448765"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Frontiers%20in%20Water", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "3217448765", "name": "item", "description": "3217448765", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/3217448765"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2021-11-30T00:00:00Z"}}, {"id": "3195029335", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:26:16Z", "type": "Journal Article", "created": "2021-08-18", "title": "Multi-Step Calibration Approach for SWAT Model Using Soil Moisture and Crop Yields in a Small Agricultural Catchment", "description": "

The quantitative prediction of hydrological components through hydrological models could serve as a basis for developing better land and water management policies. This study provides a comprehensive step by step modelling approach for a small agricultural watershed using the SWAT model. The watershed is situated in Petzenkirchen in the western part of Lower Austria and has total area of 66 hectares. At present, 87% of the catchment area is arable land, 5% is used as pasture, 6% is forested and 2% is paved. The calibration approach involves a sequential calibration of the model starting from surface runoff, and groundwater flow, followed by crop yields and then soil moisture, and finally total streamflow and sediment yields. Calibration and validation are carried out using the r-package SWATplusR. The impact of each calibration step on sediment yields and total streamflow is evaluated. The results of this approach are compared with those of the conventional model calibration approach, where all the parameters governing various hydrological processes are calibrated simultaneously. Results showed that the model was capable of successfully predicting surface runoff, groundwater flow, soil profile water content, total streamflow and sediment yields with Nash-Sutcliffe efficiency (NSE) of greater than 0.75. Crop yields were also well simulated with a percent bias (PBIAS) ranging from \u221217% to 14%. Surface runoff calibration had the highest impact on streamflow output, improving NSE from 0.39 to 0.77. The step-wise calibration approach performed better for streamflow prediction than the simultaneous calibration approach. The results of this study show that the step-wise calibration approach is more accurate, and provides a better representation of different hydrological components and processes than the simultaneous calibration approach.

", "keywords": ["Step-wise calibration", "2. Zero hunger", "step-wise calibration", "Crop yields", "soil erosion model", "Sequential calibration", "Sediment yield", "0207 environmental engineering", "HOAL", "crop yields", "Streamflow", "SWATplusR", "04 agricultural and veterinary sciences", "02 engineering and technology", "15. Life on land", "sediment yield", "6. Clean water", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "SWAT", "Soil erosion model", "streamflow", "Soil moisture", "soil moisture", "sequential calibration"]}, "links": [{"href": "http://www.mdpi.com/2073-4441/13/16/2238/pdf"}, {"href": "https://www.mdpi.com/2073-4441/13/16/2238/pdf"}, {"href": "https://doi.org/3195029335"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Water", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "3195029335", "name": "item", "description": "3195029335", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/3195029335"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2021-08-17T00:00:00Z"}}, {"id": "PMC10039844", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:28:15Z", "type": "Journal Article", "created": "2023-03-25", "title": "Evaluating the impacts of sustainable land management practices on water quality in an agricultural catchment in Lower Austria using SWAT", "description": "Abstract

Managing agricultural watersheds in an environmentally friendly manner necessitate the strategic implementation of well-targeted sustainable land management (SLM) practices that limit soil and nonpoint source pollution losses and translocation. Watershed-scale SLM-scenario modeling has the potential to identify efficient and effective management strategies from the field to the integrated landscape level. In a case study targeting a 66-hectare watershed in Petzenkirchen, Lower Austria, the Soil and Water Assessment Tool (SWAT) was utilized to evaluate a variety of locally adoptable SLM practices. SWAT was calibrated and validated (monthly) at the catchment outlet for flow, sediment, nitrate-nitrogen (NO3\uffe2\uff80\uff93N), ammonium nitrogen (NH4\uffe2\uff80\uff93N), and mineralized phosphorus (PO4\uffe2\uff80\uff93P) using SWATplusR. Considering the locally existing agricultural practices and socioeconomic and environmental factors of the research area, four conservation practices were evaluated: baseline scenario, contour farming (CF), winter cover crops (CC), and a combination of no-till and cover crops (NT\uffe2\uff80\uff89+\uffe2\uff80\uff89CC). The NT\uffe2\uff80\uff89+\uffe2\uff80\uff89CC SLM practice was found to be the most effective soil conservation practice in reducing soil loss by around 80%, whereas CF obtained the best results for decreasing the nutrient loads of NO3\uffe2\uff80\uff93N and PO4\uffe2\uff80\uff93P by 11% and 35%, respectively. The findings of this study imply that the setup SWAT model can serve the context-specific performance assessment and eventual promotion of SLM interventions that mitigate on-site land degradation and the consequential off-site environmental pollution resulting from agricultural nonpoint sources.