Modeling Stream Flow of Clear Modeling Stream Flow of Clear Creek Watershed-Emory River BasinCreek Watershed-Emory River Basin

Presented byPresented byDivya SharonDivya SharonGEOG-5650GEOG-5650

Instructor:Dr.Peter LiInstructor:Dr.Peter Li

OutlineOutline

• IntroductionIntroduction• BackgroundBackground• MotivationMotivation• Models Data requirementModels Data requirement• MethodologyMethodology• ResultsResults• ConclusionConclusion

INTRODUCTIONINTRODUCTION

• Hydrology-Study of Water in the natural or disturbed Hydrology-Study of Water in the natural or disturbed environmentenvironment

• Factors influencing Watershed Hydrology-Land use, climate Factors influencing Watershed Hydrology-Land use, climate and soil conditions.and soil conditions.

• Need for Stream Flow Modeling-Surface run off-source of Need for Stream Flow Modeling-Surface run off-source of non-point source pollution.non-point source pollution.

• Affects land surface characteristics, water balance and Affects land surface characteristics, water balance and hydrologic cycle.hydrologic cycle.

• Relationship between land use types and quantity and quality Relationship between land use types and quantity and quality of water.of water.

HYDROLOGIC CYCLE HYDROLOGIC CYCLE

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

BackgroundBackground

• BASINS-developed by US EPA for watershed based BASINS-developed by US EPA for watershed based analysis and TMDL development.analysis and TMDL development.

• Integrates with models HSPF, SWAT, Integrates with models HSPF, SWAT, AQUATOX,AGWA….AQUATOX,AGWA….

• HSPF-Hydrologic Simulation Program, FortranHSPF-Hydrologic Simulation Program, Fortran• Watershed model that simulates non-point source Watershed model that simulates non-point source

runoff and pollutant loadings for a watershed.runoff and pollutant loadings for a watershed.• Continuous simulation model with fixed, user Continuous simulation model with fixed, user

selected, time steps .selected, time steps .

MotivationMotivation

• To learn modeling software first handTo learn modeling software first hand

• To experience the modeling processTo experience the modeling process

• To understand the various parameters associated with To understand the various parameters associated with hydrologic process better.hydrologic process better.

MethodologyMethodology

• Download data-Basin's data extensionDownload data-Basin's data extension• Watershed Delineation-Automatic DelineationWatershed Delineation-Automatic Delineation• Creation WDM file-Weather data management Creation WDM file-Weather data management

file file • Creation of UCI fileCreation of UCI file• Flow calibrationFlow calibration• Model validationModel validation

Data RequirementsData Requirements

• Delineation-NHD, DEM, Watershed Boundary Delineation-NHD, DEM, Watershed Boundary (Hydrologic cataloging Unit layer)(Hydrologic cataloging Unit layer)

• UCI file-Requires-Land use, Reach file, DEM, UCI file-Requires-Land use, Reach file, DEM, USGS hydrologic unit boundaries.USGS hydrologic unit boundaries.

• Environmental Monitoring data- locations of Environmental Monitoring data- locations of water quality monitoring stations, weather water quality monitoring stations, weather stations and USGS gaging station.stations and USGS gaging station.

STUDY AREASTUDY AREA• Clear creek watershed part of the Emory River Clear creek watershed part of the Emory River

Basin and it lies in cumberland plateauBasin and it lies in cumberland plateau

• The land use in the clear creek watershed is The land use in the clear creek watershed is approximately 78% forest, 17 % agriculture, approximately 78% forest, 17 % agriculture, 6% developed areas6% developed areas

Land use in Clear creek Land use in Clear creek watershedwatershed

HSPF MODELHSPF MODEL• Three sub modules-Pervious Three sub modules-Pervious

Land(PERLND), Impervious Land Land(PERLND), Impervious Land (IMPLND) and Reaches (RCHRES).(IMPLND) and Reaches (RCHRES).

Watershed Schematic in Watershed Schematic in HSPFHSPF

Parameters for SimulationParameters for Simulation• Hourly, daily precipitation data-Hourly, daily precipitation data-http://www1.ncdc.noaa.gov/pub/ordershttp://www1.ncdc.noaa.gov/pub/orders/609796812343dat.txt/609796812343dat.txtFlow calibration-2001-2004Flow calibration-2001-2004Flow Validation 2005Flow Validation 2005Annual Volumes and Seasonal VolumesAnnual Volumes and Seasonal VolumesParameters EstimationParameters Estimation

Input Data EditorInput Data Editor

Land use Reach EditorLand use Reach Editor

OUTPUT MANAGEROUTPUT MANAGER

Running the ModelRunning the Model

Model Calibration GenScnModel Calibration GenScn

ResultsResults

GraphsGraphs

GraphGraph

ConclusionConclusion

• HSPF model gives good results HSPF model gives good results

• The model simulates the flow well. A The model simulates the flow well. A correlation coefficient of 0.823 is obtained. correlation coefficient of 0.823 is obtained.

• To generate different scenarios. (to track the To generate different scenarios. (to track the effect of land use changes on stream flow)effect of land use changes on stream flow)

ReferencesReferences • http://www.epa.gov/ost/basins/http://www.epa.gov/ost/basins/• http://www1.ncdc.noaa.gov/pub/orders/609796812343dat.txthttp://www1.ncdc.noaa.gov/pub/orders/609796812343dat.txt• http://www.watershedhydrology.com/http://www.watershedhydrology.com/• Arthur, Benjamin Bryan., 2003. “Testing the transfer of Arthur, Benjamin Bryan., 2003. “Testing the transfer of

hydrologic model parameters across scales: Modeling the hydrologic model parameters across scales: Modeling the Emory River, Daddy’s creek, and Crooked fork watersheds”Emory River, Daddy’s creek, and Crooked fork watersheds”

• Patuxent Watershed Model 2005, Internet, April Patuxent Watershed Model 2005, Internet, April 2005, Available: 2005, Available: http://www.chesapeakebay.net/info/model.cfmhttp://www.chesapeakebay.net/info/model.cfm

QUESTIONS ?QUESTIONS ?