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Web-Based Hydrological Tools for Watershed Management Decision Support

Explore the use of web-based hydrological tools and GIS for making watershed management decisions, such as outlet point selection, watershed delineation, and evaluating the impact of land use changes on hydrology. Utilize online digitizing tools for changing land use in the watershed and assess the runoff and NPS pollutant loading effects. This system provides interactive mapping and data analysis capabilities to aid in effective hydrologic impact analysis.

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Web-Based Hydrological Tools for Watershed Management Decision Support

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  1. Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological Department Purdue University

  2. Outlet Point Selection Using Web-GIS Run Watershed Delineation Watershed Delineation Result Reflect Land Use Change Using Online Digitizing Run L-THIA Runoff and NPS Output/Impact Evaluation Processes for Hydrologic Impact Analysis Using Web-GIS Tools

  3. Front Page

  4. Select Outlet Point Main Menu Auxiliary functions Map Display Layer Control On/Off Reference Map Display Control Zoom in/out Pan, Full extent WD Submit Button

  5. Watershed Delineation and Result Page

  6. Results Display

  7. Print and Download Page

  8. L-THIA Input Data Preparation for Present Land Use and Hydrologic Soil Group

  9. Buttons for Online Tool

  10. Change Land Use in the Watershed Using Online Digitizing Tool Add Low Density Residential, Commercial, and High Density Residential Areas

  11. Results Page after the Land Use Change Present Land Use Data Proposed Land Use Data Application Buttons forHydrological Model Operation

  12. L-THIA Input Page After Changing Land Use

  13. L-THIA Results - Runoff Tables

  14. Runoff and Land Use to Evaluate the Land Use Change Impact on Hydrology

  15. NPS Pollutant Loading

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