Drought Triggers in Barton Springs Segment of Edwards Aquifer

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Drought Triggers in Barton Springs Segment of Edwards Aquifer Natalie Ballew Jackson School of Geosciences, Energy & Earth Resources LBJ School of Public Affairs 5 December 2013

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Drought Triggers in Barton Springs Segment of Edwards Aquifer. Natalie Ballew Jackson School of Geosciences, Energy & Earth Resources LBJ School of Public Affairs 5 December 2013. Barton Springs Segment of Edwards Aquifer. Barton Springs Segment of Edwards Aquifer. Barton Springs: - PowerPoint PPT Presentation

Transcript of Drought Triggers in Barton Springs Segment of Edwards Aquifer

Page 1: Drought Triggers in Barton Springs Segment of Edwards Aquifer

Drought Triggers in Barton Springs

Segment of Edwards Aquifer

Natalie BallewJackson School of Geosciences, Energy & Earth

ResourcesLBJ School of Public Affairs

5 December 2013

Page 2: Drought Triggers in Barton Springs Segment of Edwards Aquifer

Barton Springs Segment of Edwards Aquifer

Page 3: Drought Triggers in Barton Springs Segment of Edwards Aquifer

Barton Springs Segment of Edwards Aquifer

•Barton Springs: Average discharge – 53 cfsLowest discharge – 11 cfs (1950s)

•Austin average pumping – 12 cfs• Increasing population and urbanization•Conflict

Urban developmentWater usersEnvironmentalists

•How to plan for sustainable yield given multiple-use interests and drought conditions?

Page 4: Drought Triggers in Barton Springs Segment of Edwards Aquifer

Tool for Groundwater Planning•Demonstrate effects of various management decisions in light of uncertainty

•Use map as a tool in decision settings to demonstrate effects of pumping and pumping restrictions on spring flow and volume of water in the segment

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Groundwater Availability Model

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Drought Triggers

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Data

Page 8: Drought Triggers in Barton Springs Segment of Edwards Aquifer

Result

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What’s next?•MODFLOW Analyst in ArcHydro Groundwater•Demand Centers, Volume Demand, Urban Density•Monitoring Wells vs Pumping Wells

Page 10: Drought Triggers in Barton Springs Segment of Edwards Aquifer

Questions?Special Thanks to

Dr. Suzanne PierceEarth-Society Systems Research Group

Dr. Maidment & Gil Strassberg


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