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Kyna Borel, Vaishali Swaminathan, Cherish Vance, Galen Roberts, Raghavan Srinivasan, Raghupathy Karthikeyan
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In the United States, pathogens are the leading cause for rivers and streams to exceed water quality standards. The Spatially Explicit Load Enrichment Calculation Tool (SELECT) was developed to estimate bacterially contaminated water bodies based on spat...
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Ling Zhang, Raghupathy Karthikeyan, Hui Zhang, Yuxuan Tang
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Soil erosion is one of the most serious land degradation problems and the primary environmental issue in the Loess Plateau region of China. To identify the critical sub-basins and assess the impacts of land use change and climatic variability change on s...
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Deepti Puri, Kyna Borel, Cherish Vance, Raghupathy Karthikeyan
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The monitoring network for a river system is designed to provide information about water quantity and quality. The development of Watershed Protection Plans and Total Maximum Daily Loads require systematic monitoring of waterbodies. In this study, optimu...
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Juan Tian, Guiming Dong, Raghupathy Karthikeyan, Lin Li, R. Daren Harmel
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In flooded areas, soils are often exposed to standing water and subsequent drainage, thus over fertilization can release excess phosphorus (P) into surface water and groundwater. To investigate P release and transformation processes in flooded alkaline s...
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Nina Omani, Raghavan Srinivasan, Raghupathy Karthikeyan, Patricia K. Smith
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The Soil and Water Assessment Tool (SWAT) was used to simulate five glacierized river basins that are global in coverage and vary in climate. The river basins included the Narayani (Nepal), Vakhsh (Central Asia), Rhone (Switzerland), Mendoza (Central And...
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