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

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

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

Watershed Management Decision Watershed Management Decision Support Using Web-Based Support Using Web-Based Hydrological Tools and GISHydrological Tools and GIS

Bernard A. EngelBernard A. EngelJin-Yong ChoiJin-Yong ChoiLarry ThellerLarry Theller

Agricultural and Biological DepartmentAgricultural and Biological DepartmentPurdue UniversityPurdue University

Page 2: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Processes for Hydrologic Impact Processes for Hydrologic Impact Analysis Using Web-GIS ToolsAnalysis Using Web-GIS Tools

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

Page 3: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Front PageFront Page

Page 4: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Select Outlet Point Select Outlet Point Main Menu

Layer ControlOn/Off

Map Display

Display ControlZoom in/outPan, Full extent

Auxiliary functions

Reference Map

WD Submit Button

Page 5: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Watershed Delineation and Result Watershed Delineation and Result PagePage

Page 6: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Results Display Results Display

Page 7: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Print and Download PagePrint and Download Page

Page 8: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

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

Page 9: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Buttons for Online ToolButtons for Online Tool

Page 10: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Change Land Use in the Watershed Using Change Land Use in the Watershed Using Online Digitizing ToolOnline Digitizing Tool

Add Low Density Residential, Add Low Density Residential, Commercial, and High Density Commercial, and High Density

Residential AreasResidential Areas

Page 11: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Results Page after the Land Use Results Page after the Land Use ChangeChange

Present Land Use DataPresent Land Use Data

Proposed Land Use DataProposed Land Use Data

Application Buttons forApplication Buttons forHydrological Model OperationHydrological Model Operation

Page 12: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

L-THIA Input Page After Changing L-THIA Input Page After Changing Land UseLand Use

Page 13: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

L-THIA Results - Runoff TablesL-THIA Results - Runoff Tables

Page 14: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

Runoff and Land Use to Evaluate the Runoff and Land Use to Evaluate the Land Use Change Impact on Land Use Change Impact on

HydrologyHydrology

Page 15: Watershed Management Decision Support Using Web-Based Hydrological Tools and GIS Bernard A. Engel Jin-Yong Choi Larry Theller Agricultural and Biological

NPS Pollutant LoadingNPS Pollutant Loading