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GALVESTON BAY

GALVESTON BAY. The Effects of Freshwater Inflow on Water Temperature. David Christiansen University of Texas at Austin. Galveston Bay. Location: Southeastern Texas 20 miles southeast of Houston Freshwater Inflows San Jacinto River Trinity River Why Galveston Bay? GoMRI Research.

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GALVESTON BAY

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  1. GALVESTON BAY The Effects of Freshwater Inflow on Water Temperature David Christiansen University of Texas at Austin

  2. Galveston Bay • Location: • Southeastern Texas • 20 miles southeast of Houston • Freshwater Inflows • San Jacinto River • Trinity River • Why Galveston Bay? • GoMRI Research

  3. Available Data • NOAA NDBC • Water Temperature http://www.ndbc.noaa.gov

  4. Available Data Cont’d • USGS WaterWatch • Stream flow • Height Above Gauge • NOAA Estuarine Bathymetry • Shape file and DEM http://waterwatch.usgs.gov http://estuarinebathymetry.noaa.gov

  5. What to do with the data?

  6. USGS WaterWatch • Two inflows nearly identical for 2011 • High Pt: 10/03 – 10/16 • Low Pt: 01/27 – 02/09 Images from: http://waterdata.usgs.gov

  7. Using GIS

  8. Comparing Water Temp at High and Low Inflow High Inflow Low Inflow

  9. Next Steps/Future Work • Determine relationship between high/low inflow and water temperature • Is there a relationship? • If so, what patterns can be seen? • Future Work • Salinity Data • Multiple year study

  10. ACKNOWLEDGEMENTS • NOAA National Data Buoy Center • USGS WaterWatch • NOAA National Ocean Service

  11. questions? http://transportbox.blogspot.com/2009/04/april-11-2009-galveston-ike-dike.html

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