espam 2 status update

ESPAM 2 Status Update

November 2009B. Contor and S. Taylor

ESPAM2 Water Budget Checks

Stacey TaylorNovember 17, 2009

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 551920000

1940000

1960000

1980000

2000000

2020000

2040000

2060000

2080000

Irrigated Area

Consolidated stress periods

Acre

s

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.

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55910000

920000

930000

940000

950000

960000

970000

980000

990000

1000000

Area Irrigated by Ground Water


Acre

s

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55960000

980000

1000000

1020000

1040000

1060000

1080000

1100000

Area Irrig by Surface Water


Acre

s

1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 555080000

5100000

5120000

5140000

5160000

5180000

5200000

5220000

5240000

Area Not Irrigated


Acre

s

0 10 20 30 40 50 60-500000

0

500000

1000000

1500000

2000000

2500000

Recharge on GW Irrig Lands


Acre

-ftNegatives oc-

cur in the winter time

0 10 20 30 40 50 600

500000

1000000

1500000

2000000

2500000

3000000

3500000

4000000

4500000

5000000

Recharge on SW Irrig Lands


Acre

-ft

0 10 20 30 40 50 600

50000

100000

150000

200000

250000

Recharge on NIR LandsAc

re-ft

0 10 20 30 40 50 600

200000

400000

600000

800000

1000000

1200000

1400000

1600000

1800000

Precip on Irrigated Lands


Acre

-ft

0 10 20 30 40 50 600

500000

1000000

1500000

2000000

2500000

3000000

3500000

4000000

4500000

5000000

Precip on Non-Irrig Lands

Consolidated stress period

Acre

-ft

0 10 20 30 40 50 600

1000000

2000000

3000000

4000000

5000000

6000000

ET on Irrigated Lands


Acre

-ft

0 10 20 30 40 50 600

500000

1000000

1500000

2000000

2500000

3000000

ET on GW Irrig Lands


Acre

-ft

0 10 20 30 40 50 600

500000

1000000

1500000

2000000

2500000

3000000

3500000

ET on SW Irrig Lands


Acre

-ft

0 10 20 30 40 50 600

1000000

2000000

3000000

4000000

5000000

6000000

7000000

8000000

Surface Water Volume


Acre

-ft

0 10 20 30 40 50 600

500000

1000000

1500000

2000000

2500000

3000000

3500000

4000000

Canal Output FileVo

lum

e [a

c-ft

]

0 10 20 30 40 50 600

100000

200000

300000

400000

500000

600000

Tributary Underflow Output File


Acre

-ft

0 10 20 30 40 50 600

100000

200000

300000

400000

500000

600000

700000

Perched River Seepage Output File


Acre

-ft

0 10 20 30 40 50 60-70000

-60000

-50000

-40000

-30000

-20000

-10000

0

Offsite Pumping Output File


Ac-ft

Putting the Pieces Together:ESPAM2 Water Budget

B. ContorNovember 2009

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

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?

Two things you need to know about...

• Soils • Precipitation

ESPAM2: "Brown"Alternate: "Brown"

ESPAM2: "Brown"Alternate: “Blue"

ESPAM2.0.2.exe

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

Alternate Method

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.

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?

DISCUSSION

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