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Showing 1 to 20 of 30 for “"SWAT model"”.
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A hydrologic calibration of the SWAT model in Kranji Catchment, Singapore
… projects related to ABC Waters. A surface runoff model for Kranji Catchment, located in northwest Singapore, was created in the Soil and Water Assessment Tool (SWAT) by Granger (2010) and improved by Bossis (2011). The model incorporates hydrology, land use, weather, soil, and slope to calculate …
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Application of the SWAT Model to Bacterial Loading rates in Kranji Catchment, Singapore
… intensive and delayed. As an alternative, a model of the surrounding watershed was constructed to estimate bacterial loading to the reservoir as driven by changing weather conditions. The watershed stream network was recreated using ArcSWAT, a version of the Soil and Water Assessment Tool …
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Modification of the SWAT Model to Simulate Hydrologic Processes in a Karst-influenced Watershed
… subsidence, and damage to cave ecosystems. Modeling a karst-influenced watershed can provide a better understanding of the interactions between surface and ground water and how water quality is affected by human activities. Several models were evaluated to determine their ability to model …
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Predicting the Downstream Impacts of Headwater Burial in Kemptville Creek Watershed (Ontario) Using the SWAT Model
… We used the Soil and Water Assessment Tool (SWAT) model to predict changes in discharge, chlorophyll a, DO and sediment for downstream ecosystems, following headwater stream burial. Within the study area of Kemptville Creek subwatershed of the Rideau River Watershed in Kemptville and …
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Spatiotemporal dynamics of grounwater in the Andean Highlands in northern Ecuador
… requirements and human supply. Hydrological modelling combined with saturated zone routed techniques is an effective strategy for evaluating the renewable water resources under stationary conditions prior forecasting climate and human impacts under plausible scenarios. This methodology has …
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Integrated watershed modeling of mountainous landscapes : Assessing the environmental performance of an intensive farming system in South Korea
… source pollution with an approach of watershed modeling. Among various watershed modeling tools, we chose the Soil and Water Assessment Tool (SWAT) which can handle various management systems. The SWAT model was adapted to two study sites, the Jawoon-ri and the Haean catchment. The central focus …
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MODELING IMPACTS OF CLIMATE CHANGE AND AGRICULTURAL MANAGEMENT ON WATERSHED OUTPUTS IN MIDWESTERN USA
Applications of the SWAT model typically involve delineation of a watershed into subwatersheds/subbasins that are then further subdivided into hydrologic response units (HRUs) which are homogeneous areas of aggregated soil, landuse, and slope and are the smallest modeling units used within the …
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Modelling impacts of climate change on hydrology of Latonyanda River Quaternary Catchment, Limpopo Province, South Africa
… (LRQC). The Soil and Water Assessment Tool (SWAT) model played a huge role in climate change impact analysis because it helped in improving the understanding of climate change impacts on hydrology as well as in determining mitigation measures. Arc-GIS 10.7 model with a compatible version of …
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Impact of climate variability and human activities on water resources.
… Thesis used the Soil and Water Assessment Tool (SWAT) hydrological model as the main tool and combined it with the Interbasin Groundwater Infiltration (IHA) method and the Chloride Mass Balance (CMB) method to make calculations of specifics water balance components. Climate change and land-use …
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Application of GIS and Remote Sensing techniques to evaluate the impact of land cover and land use changes on the hydrology and water resources of Luvuvhu River Catchment in Limpopo Province, South Africa.
… and detection of changes. Digital Elevation Models (DEMs) were used for hydrologic and geomorphic modeling in combination with information from remotely sensed imagery. Field data sets for soil and meteorology were obtained from selected sampling segments, based on the area frame sampling. …
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Model based assessment of potential impacts of climate change on the flow of the main headwaters of the Nile River: Equatorial Lakes Region and Blue Nile Basins
<p>Berhane Fisseha. Model based assessment of potential impacts of climate change on the flow of the main headwaters of the Nile River: Equatorial Lakes Region and Blue Nile basins (Under the direction of Dr. Richard Anyah).</p> <p>Spatially and temporally detailed assessment of the hydrologic …
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Development and application of quantitative methods for ecosystem services
… aquatic genetic resource provisioning using the SWAT model, (3) improve quantification methods for climate regulation ecosystem services using the DayCent model; and (4) evaluate Indiana agricultural producers' and conservationists' perceptions of ecosystem services in order to identify the best …
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Improving Watershed Models to Achieve a Better Prediction of Water Quantity and Quality
Watershed models are powerful tools for simulating different scenarios to understand the impact of management practices and are used to support and guide decision-making. However, there are often challenges and limitations to using watershed models in some areas of watershed modeling; 1) model …
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Integrated Modeling of Long-Term Vegetation and Hydrologic Dynamics in Rocky Mountain Watersheds
… a System for Long-Term Integrated Management Modeling (SLIMM) was developed.<p> By combining two spatially explicit, continuous time models, vegetation patterns can be simulated forward in time based on management criteria. Output from the SIMPPLLE vegetation simulator are converted into …
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Integrated Modeling of Long-Term Vegetation and Hydrologic Dynamics in Rocky Mountain Watersheds
… a System for Long-Term Integrated Management Modeling (SLIMM) was developed.<p> By combining two spatially explicit, continuous time models, vegetation patterns can be simulated forward in time based on management criteria. Output from the SIMPPLLE vegetation simulator are converted into …
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Hydrologic and water quality impacts from perennial crop production on marginal lands
… periods in the Soil and Water Assessment Tool (SWAT) model was improved. Finally, the model was used to evaluate the impacts on hydrologic and water quality processes due to production of switchgrass and <em>Miscanthus</em> on marginal lands in the UMRB region.</p> <p>The results indicated that …
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Analysis of best management practices implementation on water quality using the Soil and Water Assessment Tool (SWAT)
… scheduling, a Soil and Water Assessment Tool (SWAT) model was calibrated and validated on a daily basis. Afterward the model was calibrated and validated using the observed data, three common Best Management Practices (BMPs) were evaluated. These BMPs include residue reduced tillage operations, …
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Multi-temporal Remote Sensing of Changing Agricultural Land Uses within the Midwestern Corn Belt, 2001-2015
… products from the first two studies with the SWAT model to assess impacts of agricultural management changes on sediment and nutrient yields for three selected watersheds in the Midwest US. With satisfied calibration and validation results for stream flows, sediment and nutrient yields, …
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Modeling the Impacts of Rangeland Management Practices on Flow and Sediment Using SWAT
… research, the Soil and Water Assessment Tool (SWAT) model was used in the estimation of flow and sediment yield on a daily time step to evaluate the water quality improvements achieved through the implementation of best management practices (BMPs) in Ash Creek. Ash Creek is a small un-gauged …
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Simulation of conservation practice effects on water quality under current and future climate scenarios
… resources. The Soil and Water Assessment Tool (SWAT) was used to study four watersheds of different sizes (CCW = 680 km2, F34 = 183 km2, AXL = 42 km 2 and ALG = 20 km2) located in Northeastern Indiana. The overarching goal of this study was to evaluate the effect of various agricultural …
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