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Fracking and Texas Water Resources: Case Study in the Barnett Shale

Fracking and Texas Water Resources: Case Study in the Barnett Shale. Dana Lazarus, GIS in Water Resources, Dec. 3, 2013. Outline. Background Data Source Methodology Results Conclusion / Next Steps. Background:. Major Aquifers in the Barnett Shale. Background:.

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Fracking and Texas Water Resources: Case Study in the Barnett Shale

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  1. Fracking and Texas Water Resources: Case Study in the Barnett Shale Dana Lazarus, GIS in Water Resources, Dec. 3, 2013

  2. Outline • Background • Data Source • Methodology • Results • Conclusion / Next Steps

  3. Background: Major Aquifers in the Barnett Shale

  4. Background: Population vs. Natural Gas Production Focus on Tarrant County

  5. Data Source: TWDB Groundwater Monitoring Wells • Texas Water Development Board Groundwater Database Continuous water level data through 2012

  6. Data Source: Continuous Water Level Monitoring Data

  7. Methodology • Water Level • Interpolate water level acrossthe area based on observations for a single time period • Repeat interpolation for all time periods • Construct time series to evaluate trends over time • Water Quality • Data limited for parameters of interest

  8. Results: Interpolated Water Levels for 2012 Inverse Distance Kriging Nearest Neighbor Splines

  9. Results: Interpolated Water Levels 1993-2012

  10. Conclusion / Next Steps • Water levels experiencing some decline • Can trend be correlated to frackingactivity? • Consider otherfactors • Precipitation, Population, Industry, Agriculture

  11. Thank You! • Questions?

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