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Drought in Upper Colorado Basin

Solaleh Khezri, GIS in Water Resources, University of Texas, Fall 2009. Drought in Upper Colorado Basin. Upper Colorado River Basin. Upper Colorado Basin Reservoirs. Hydro Excel. Generation of Graphs in Hydro Excel. Drought Indices. Palmer Drought Severity Index :Indicator of soil moisture

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Drought in Upper Colorado Basin

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  1. Solaleh Khezri, GIS in Water Resources, University of Texas, Fall 2009 Drought in Upper Colorado Basin

  2. Upper Colorado River Basin

  3. Upper Colorado Basin Reservoirs

  4. Hydro Excel

  5. Generation of Graphs in Hydro Excel

  6. Drought Indices • Palmer Drought Severity Index :Indicator of soil moisture • Surface Water Supply Index: based on snowpack, streamflow, precipitation, and reservoir storage. • Drought Monitor: Combination of indices, including the PDSI, Soil Moisture Model, Standardized Precipitation Index (SPI), USGS weekly streamflow percentiles, etc.

  7. Reservoirs Monthly Inflow Index-2002

  8. January February March April May June July August September October November December Monthly Inflow Index Maps-2002

  9. Monthly Drought Monitor-2002

  10. What to do next? • Calculate Inflow Index for 8 years • Create Inflow Index maps

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