CEE 795 Water Resources Modeling and GIS Learning Objectives: • List the essential data needed for water resource modeling • Identify sources of water resources data in the U.S. and Clark County Handouts: Assignments: Exercise #2 Lecture #3: Data Sources and Projections (some material from Dr. David Maidment, University of Texas) January 30, 2006
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CEE 795 Water Resources Modeling and GIS Learning Objectives: List the essential data needed for water resource modeling Identify sources of water resources.
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CEE 795Water Resources Modeling and GIS
Learning Objectives:• List the essential data needed for water resource modeling• Identify sources of water resources data in the U.S. and Clark
County
Handouts: Assignments:Exercise #2
Lecture #3: Data Sources and Projections
(some material from Dr. David Maidment, University of Texas)
January 30, 2006
http://www.geodata.gov/gos
Geospatial One-Stop
Google Earthhttp://earth.google.com/
Watersheds of the US
2-digit water resource regions 8-digit HUC watersheds
Hydrologic Unit Code Watersheds
~ 2000 for US, about the size of counties
Watershed Hierarchy
8 HUC
4
2
6
EDNA
1012
Available In Progress
Digit #
Watershed Boundary Dataset
• National Program by USGS and USDA (NRCS)
• Boundaries for 10- and 12- digit watersheds
• First cut is by automated delineation from NED
• Hand checked and edited
10-digit watersheds
EPA River Reach File 1 (RF1)
Sta
te a
nd
Loc
al D
ata
Sta
te a
nd
Loc
al D
ata
DecisionsDecisions
Watershed Management
.
TMDL.
Source Water Protection
.Stormwater
DecisionsDecisions
Watershed Management
.
TMDL.
Source Water Protection
.Stormwater
DataDataCartographicCartographic
MonitoringMonitoring
LoadingsLoadings
DataDataCartographicCartographic
MonitoringMonitoring
LoadingsLoadings
ModelsModels HSPF - NPSMHSPF - NPSM
QUAL2EQUAL2E
TOXIROUTETOXIROUTE
Post-ProcessorsPost-Processors
ModelsModels HSPF - NPSMHSPF - NPSM
QUAL2EQUAL2E
TOXIROUTETOXIROUTE
Post-ProcessorsPost-Processors
ToolsToolsTargetTarget
AssessmentAssessment
Data MiningData Mining
ReportingReporting
ToolsToolsTargetTarget
AssessmentAssessment
Data MiningData Mining
ReportingReporting
BASINSBASINS - Integrating GIS and Water Quality ModelingTarget
Assess
DM
River networksfor 8-digit HUC watersheds
http://nhd.usgs.gov/
Lower West Fork, Trinity River BasinHUC = 12030102
NHD River Reaches
412 River ReachesIn Upper West Fork of Trinity Basin
River Reach CodesUsed for river address locations
ReachCode = 12030102000151
ReachCode = 12030102000005
HUC# Segment# Location 0.392on Reach
12030102000005
National Elevation Dataset
• Digital Elevation Model with 1 arc-second (30m) cells