sustainability - SUNY College of Environmental Science and Forestry

(Ben Green) #1

Sustainability 2011 , 3 2372


Table 4. Number of diesel and electric motors required to pump groundwater for rice grown in Pakistan.
1 2 3 4 5 6 7 8 9 10 11 12
FY

Elect.
pumps
(000)

Diesel
pumps
(000)

Total
pumps
(000)

Total
kharif GW
(MAF)

GW per
pump
(MAF)

Rice’s total
water req.
(MAF)

of which

% that is
from GW
sources

Rice req. fulfilled
from GW sources
(MAF)

No. of pumps
req. to pump this
(C9) (000)

of which

Electric.
pumps
(000)

Diesel
pumps
(000)
1999 117.4 445.8 563.2 25.5 < 0.1 18.9 33.0 6.2 137.6 28.7 108.9
2000 112.4 497.4 609.8 24.9 < 0.1 19.6 32.4 6.3 155.2 28.6 126.6
2001 113.7 545.5 659.3 25.1 < 0.1 18.5 32.3 6.0 157.0 27.1 129.9
2002 116.8 590.4 707.3 25.0 < 0.1 16.5 32.2 5.3 150.0 24.8 125.2
2003 120.6 648.4 769.0 24.8 < 0.1 17.3 32.0 5.5 171.9 27.0 145.0
2004 132.0 818.2 950.1 24.8 < 0.1 19.2 31.9 6.1 234.4 32.6 201.8
2005 137.0 847.3 984.3 24.8 < 0.1 19.6 31.7 6.2 246.9 34.4 212.5
2006 143.7 855.9 999.6 24.7 < 0.1 20.4 31.8 6.5 262.7 37.8 224.9
2007 116.7 814.6 931.3 24.7 < 0.1 20.1 30.0 6.0 227.4 28.5 198.9
2008 120.8 800.3 921.1 24.5 < 0.1 19.6 28.6 5.6 210.7 27.6 183.1
2009 120.8 800.4 921.2 23.9 < 0.1 23.1 26.9 6.2 239.0 31.3 207.7
“GW” = groundwater; “MAF” = million acre-feet; “C9” = figures in column nine.


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