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ROBERTO AVILA SWAT TRAINING-MODELING PROGRESS REPORT

ROBERTO AVILA SWAT TRAINING-MODELING PROGRESS REPORT. INTERNATIONAL WORKSHOP: BUSHLAND TEXAS JULY 7-9, 2010. ACCOMPLISHMENTS. Received training by creating and running the SWAT model using example data

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ROBERTO AVILA SWAT TRAINING-MODELING PROGRESS REPORT

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  1. ROBERTO AVILA SWAT TRAINING-MODELING • PROGRESS REPORT INTERNATIONAL WORKSHOP: BUSHLAND TEXAS JULY 7-9, 2010

  2. ACCOMPLISHMENTS • Received training by creating and running the SWAT model using example data • Analyzed available GIS data and assessed additional GIS data requirements necessary to create a SWAT project for the Calera Watershed • Using the ArcSWAT interface for ArcGIS, he delineated the watershed into 39 sub-basins from the available 90 m DEM • Reformatted the land use and soils data in GIS necessary to meet model input requirements – to create HRUs • Compiled and reformatted the daily precipitation and temperature data necessary to meet model input requirements • 3 stations within the watershed • Ran the model for the time period 1977-2001, and analyzed the output of the simulated hydrological variables

  3. SWAT MODELING DATA GAPS • Land Use • Specific land use (especially crops), in GIS format • Management schedules • including planting dates • tillage operations and dates • fertilizer and chemical application dates and rates • harvest dates and production • grazing rates and dates • conservation practices, if applicable • Irrigation • Irrigation sources including wells, canals reservoirs, etc. • Irrigation rates and application dates

  4. SWAT MODELING DATA GAPS • Soils – properties • Soil hydrologic group • number of layers • for each layer • the layer depth • bulk density • available water content • hydraulic conductivity • percent organic carbon • Percent clay, silt, sand and rock fragment • If available; • Weather data • Additional weather data even if it its not for long-term • Any runoff data, and long-term annual ET average for the Calera Aquifer region

  5. NEXT STEPS • Refine the project • Delineation • HRUs • Calibration and Validation • Scenarios

  6. Location Central, MX Drainage Area 1900 km2 Land use ~50% agricultural Rangeland Rotations unknown Soils Names Properties unknown CALERA AQUIFER WATERSHED

  7. Ponds & Reservoirs

  8. DELINEATION

  9. LAND USE

  10. SOIL TYPES

  11. Management Operations

  12. NEXT STEPS • Calibration and Validation • Scenarios

  13. Acknowledgements Alan Verser for his invaluable assistance with this SWAT project

  14. Thank You! Questions?

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