urban hydrology modeling using gis

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 v.deloza@gmail.com

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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

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GIS DATA

HEC-HMS

SWMM5.0

HEC-RAS

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URBAN VS RURAL HYDROLOGY

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URBAN VS RURAL HYDROLOGY

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PROJECT LOCATION

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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 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

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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 ARCHYDRO – SUBCATCHMENT DELINEATION

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APPLICATION OF GIS TOOLS TOPOLOGY

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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

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REPORT HEC-HMS

INPUT FILE

| 26 Proprietary and Confidential

HEC - HMS

| 27 Proprietary and Confidential

SWMM5.0

| 28 Proprietary and Confidential

PRELIMINARY RESULTS

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Flow

(CFS

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Date (min)

Actual vs Modeled Sytem Flow

Actual

Horton's Method

SCS Method

HortonRevised