Using ArcGIS to Determine Texas Water Planning Regions with Maximum Conservation Potential
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Transcript of Using ArcGIS to Determine Texas Water Planning Regions with Maximum Conservation Potential
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ELIZABETH WAITEGIS WATER RESOURCES
29 NOVEMBER 2012
Using ArcGIS to Determine Texas Water Planning Regions with
Maximum Conservation Potential
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Scary Facts
Population in Texas is expected to double by 2060Municipal water demand in Texas could increase by
3.5 million acre-ft per year by 2060Limited funding is available for meeting these
demands
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Prepare! Increase Supply!
New Surface ReservoirsGroundwaterConjunctive UseDesalinationBush ControlAquifer Storage &
RecoveryReuse
ConservationDecrease Demand!
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Objective
Use data from 2012 State Water Plan to determine Water Planning Regions
with the largest potential to conserve.
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Data Collection
2012 State Water Plan of Texas Texas Water Development Board Regional Water Planning Groups
Data Collected: Population Projections Water Need Projections Capital Costs Management Strategies
Conservation New Reservoirs
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Methodology
Import Data Tables Join tables as appropriate
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Methodology
Create Layers from Tables
CostNew Reservoirs
Water Need
ConservationPopulation
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Methodology
Feature to Raster Conversion
Feature to Raster Conversion for 2060 Projected Water Need per Planning Region
Feature Raster
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Methodology
Raster Calculator
CostNew ReservoirsWater Need
ConservationPopulation
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Results
Regions of High Conservation Potential:
Region CRegion GRegion HRegion L
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Conclusions & Next Steps
Conservation potential greatest in planning regions with large metropolitan areas.
Further work needs to be done to create & implement suitable conservation management plans.
C0
5000001000000150000020000002500000
Calculated Municipal Water Sav-ings
Under SAWS Conservation Plan
Water Planning RegionWat
er S
avin
gs (
Acre
-ft
per
year
)