1. Modeling Stream Flow of Clear Creek Watershed-Emory River Basin Modeling Stream Flow of Clear Creek Watershed-Emory River Basin Presented by Divya Sharon GEOG-5650 Instructor:Dr.Peter Li

2. Outline Introduction Introduction Background Background Motivation Motivation Models Data requirement Models Data requirement Methodology Methodology Results Results Conclusion Conclusion

3. INTRODUCTION Hydrology-Study of Water in the natural or disturbed environment Hydrology-Study of Water in the natural or disturbed environment Factors influencing Watershed Hydrology-Land use, climate and soil conditions. Factors influencing Watershed Hydrology-Land use, climate and soil conditions. Need for Stream Flow Modeling-Surface run off-source of non-point source pollution. Need for Stream Flow Modeling-Surface run off-source of non-point source pollution. Affects land surface characteristics, water balance and hydrologic cycle. Affects land surface characteristics, water balance and hydrologic cycle. Relationship between land use types and quantity and quality of water. Relationship between land use types and quantity and quality of water.

4. HYDROLOGIC CYCLE HYDROLOGIC CYCLE http://www.uwsp.edu/geo/faculty/ritter/images/hydrosphere/hydrocyc.jpg

5. Background Background BASINS-developed by US EPA for watershed based analysis and TMDL development. BASINS-developed by US EPA for watershed based analysis and TMDL development. Integrates with models HSPF, SWAT, AQUATOX,AGWA…. Integrates with models HSPF, SWAT, AQUATOX,AGWA…. HSPF-Hydrologic Simulation Program, Fortran HSPF-Hydrologic Simulation Program, Fortran Watershed model that simulates non-point source runoff and pollutant loadings for a watershed. Watershed model that simulates non-point source runoff and pollutant loadings for a watershed. Continuous simulation model with fixed, user selected, time steps. Continuous simulation model with fixed, user selected, time steps.

6. Motivation Motivation To learn modeling software first hand To learn modeling software first hand To experience the modeling process To experience the modeling process To understand the various parameters associated with hydrologic process better. To understand the various parameters associated with hydrologic process better.

7. Methodology Download data-Basin's data extension Download data-Basin's data extension Watershed Delineation-Automatic Delineation Watershed Delineation-Automatic Delineation Creation WDM file-Weather data management file Creation WDM file-Weather data management file Creation of UCI file Creation of UCI file Flow calibration Flow calibration Model validation Model validation

8. Data Requirements Delineation-NHD, DEM, Watershed Boundary (Hydrologic cataloging Unit layer) Delineation-NHD, DEM, Watershed Boundary (Hydrologic cataloging Unit layer) UCI file-Requires-Land use, Reach file, DEM, USGS hydrologic unit boundaries. UCI file-Requires-Land use, Reach file, DEM, USGS hydrologic unit boundaries. Environmental Monitoring data- locations of water quality monitoring stations, weather stations and USGS gaging station. Environmental Monitoring data- locations of water quality monitoring stations, weather stations and USGS gaging station.

9. STUDY AREA STUDY AREA Clear creek watershed part of the Emory River Basin and it lies in cumberland plateau Clear creek watershed part of the Emory River Basin and it lies in cumberland plateau The land use in the clear creek watershed is approximately 78% forest, 17 % agriculture, 6% developed areas The land use in the clear creek watershed is approximately 78% forest, 17 % agriculture, 6% developed areas

10. Land use in Clear creek watershed

12. HSPF MODEL HSPF MODEL Three sub modules-Pervious Land(PERLND), Impervious Land (IMPLND) and Reaches (RCHRES). Three sub modules-Pervious Land(PERLND), Impervious Land (IMPLND) and Reaches (RCHRES).

13. Watershed Schematic in HSPF

14. Parameters for Simulation Hourly, daily precipitation data- Hourly, daily precipitation data- http://www1.ncdc.noaa.gov/pub/orders/609 796812343dat.txt http://www1.ncdc.noaa.gov/pub/orders/609 796812343dat.txt Flow calibration-2001-2004 Flow Validation 2005 Annual Volumes and Seasonal Volumes Parameters Estimation

15. Input Data Editor Input Data Editor

16. Land use Reach Editor

17. OUTPUT MANAGER OUTPUT MANAGER

18. Running the Model Running the Model

19. Model Calibration GenScn

20. Results Results

21. Graphs Graphs

22. Graph Graph

23. Conclusion HSPF model gives good results HSPF model gives good results The model simulates the flow well. A correlation coefficient of 0.823 is obtained. The model simulates the flow well. A correlation coefficient of 0.823 is obtained. To generate different scenarios. (to track the effect of land use changes on stream flow) To generate different scenarios. (to track the effect of land use changes on stream flow)

24. References References http://www.epa.gov/ost/basins/ http://www.epa.gov/ost/basins/ http://www.epa.gov/ost/basins/ http://www1.ncdc.noaa.gov/pub/orders/609796812343dat.txt http://www1.ncdc.noaa.gov/pub/orders/609796812343dat.txt http://www.watershedhydrology.com/ http://www.watershedhydrology.com/ http://www.watershedhydrology.com/ Arthur, Benjamin Bryan., 2003. “Testing the transfer of hydrologic model parameters across scales: Modeling the Emory River, Daddy’s creek, and Crooked fork watersheds” Arthur, Benjamin Bryan., 2003. “Testing the transfer of hydrologic model parameters across scales: Modeling the Emory River, Daddy’s creek, and Crooked fork watersheds” Patuxent Watershed Model 2005, Internet, April 2005, Available: http://www.chesapeakebay.net/info/model.cfm Patuxent Watershed Model 2005, Internet, April 2005, Available: http://www.chesapeakebay.net/info/model.cfm

25. QUESTIONS ?