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ESPAM 2 Status Update

ESPAM 2 Status Update. November 2009 B. Contor and S. Taylor. ESPAM2 Water Budget Checks. Stacey Taylor November 17, 2009. Keep in mind that a value of 1 = Stress periods 1 through 6 and 2 is 7 through 12. This is the same for all upcoming slides.

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ESPAM 2 Status Update

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  1. ESPAM 2 Status Update November 2009 B. Contor and S. Taylor

  2. ESPAM2 Water Budget Checks Stacey Taylor November 17, 2009

  3. Keep in mind that a value of 1 = Stress periods 1 through 6 and 2 is 7 through 12. This is the same for all upcoming slides.

  4. Putting the Pieces Together:ESPAM2 Water Budget • B. Contor • November 2009

  5. I don't know which is more accurate....

  6. Two Issues: • ESPAM2.0.2 (GIS part of recharge tool) • "It worked fine when we tested it..." • We haven't yet had time to combine, test, and evaluate • As Stacey showed you, individual pieces look reasonable. • Data are OK? But processing isn’t? • Does it stitch together into a whole that makes sense?

  7. Two things you need to know about... • Soils • Precipitation

  8. ESPAM2: "Brown" Alternate: "Brown"

  9. ESPAM2: "Brown" Alternate: “Blue"

  10. ESPAM2.0.2.exe

  11. ESPAM2.0.2.exe • Interpolation of an interpolation • Cells seldom identically match points • Smooth and purdy

  12. ESPAM2.0.2.exe • Interpolation of an interpolation • Cells seldom identically match points • Smooth and purdy

  13. Alternate Method

  14. Alternate Method • Nearest-neighbor assignment of interpolation • Cells identically match points • Not quite as smooth • Uses a fresh data download; any updates the PRISM folks may have made are automatically incorporated.

  15. Reality Check: PRISM interpolates maybe 25 observations to 11,000 square miles. How spun up do we want to get on spatial differences of a mile or two?

  16. DISCUSSION

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