Urban Hydrology Modeling Using GIS Victor de Loza Nahm H. Lee, Ph.D Thursday, July 11, 2013
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Urban Hydrology Modeling Using GIS
Victor de Loza
Nahm H. Lee, Ph.D
Thursday, July 11, 2013
| 2 Proprietary and Confidential
ABOUT ME Education : B.S. Civil Engineering and Environmental Design, San Jose State University (May 2013) Professional Experience: Civil Engineering Intern, The Santa Clara Valley Water District (01/2013 – Present) Environmental Engineering Intern, Life Technologies - Applied Biosystems (05/2009 – 05/2011) Career Interests: Hydraulic Modeling, Flood Protection, Applications of GIS tools to Engineering problems. Contact Information Victor de Loza (209)855-6835 [email protected]
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SYSTEM WORKFLOW
URBAN VS RURAL HYDROLOGY
PROJECT LOCATION
APPLICATION OF GIS TOOLS
HYDROLOGIC MODELING SYSTEM (HEC-HMS)
Storm Water Management Model (SWMM)
PRELIMINARY RESULTS
3 Proprietary and Confidential
OVERVIEW
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SYSTEM W O R K F L O W
4 Proprietary and Confidential
GIS DATA
HEC-HMS
SWMM5.0
HEC-RAS
| 5 Proprietary and Confidential
URBAN VS RURAL HYDROLOGY
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URBAN VS RURAL HYDROLOGY
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PROJECT LOCATION
| 8 Proprietary and Confidential
APPLICATION OF GIS TOOLS SUBCATCHMENT FOOTPRINT
| 9 Proprietary and Confidential
APPLICATION OF GIS TOOLS SUBCATCHMENT FOOTPRINT
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APPLICATION OF GIS TOOLS SUBCATCHMENT FOOTPRINT
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APPLICATION OF GIS TOOLS SUBCATCHMENT FOOTPRINT
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APPLICATION OF GIS TOOLS ARCHYDRO – AGREE DEM
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APPLICATION OF GIS TOOLS ARCHYDRO – AGREE DEM
Original DEM
Reconditioned DEM
| 14 Proprietary and Confidential
APPLICATION OF GIS TOOLS ARCHYDRO – SUBCATCHMENT DELINEATION
| 15 Proprietary and Confidential
APPLICATION OF GIS TOOLS ARCHYDRO – SUBCATCHMENT DELINEATION
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APPLICATION OF GIS TOOLS ARCHYDRO – SUBCATCHMENT DELINEATION
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APPLICATION OF GIS TOOLS TOPOLOGY
| 18 Proprietary and Confidential
APPLICATION OF GIS TOOLS ARCHYDRO – AGREE DEM
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APPLICATION OF GIS TOOLS ARCHYDRO – AGREE DEM
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APPLICATION OF GIS TOOLS TOPOLOGY
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APPLICATION OF GIS TOOLS SPATIAL ANALYST
Soil Data (NRCS) Land Coverage 2006 (USGS) Impervious Areas 2006 (USGS)
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APPLICATION OF GIS TOOLS SPATIAL ANALYST
IMP2006 (USGS) LULC2006 (USGS)
AOI Soil Data (NRCS)
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APPLICATION OF GIS TOOLS SPATIAL ANALYST
Area of Interest as Zone
Percent Slope Raster as Value Raster
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APPLICATION OF GIS TOOLS RESULT
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HEC-HMS to SWMM INTEGRATION
25 Proprietary and Confidential
REPORT HEC-HMS
INPUT FILE
| 26 Proprietary and Confidential
HEC - HMS
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SWMM5.0
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PRELIMINARY RESULTS
-200
0
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400
600
800
1000
1200
1400
0 50 100 150 200 250 300 350
Flow
(CFS
)
Date (min)
Actual vs Modeled Sytem Flow
Actual
Horton's Method
SCS Method
HortonRevised
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