sustainability - SUNY College of Environmental Science and Forestry

Sustainability 2011 , 3 2371

Table 3. Number of diesel and electric motors required to pump groundwater for wheat grown in Pakistan.

1 2 3 4 5 6 7

of which

8 9 10

of which

11 12

FY

Electric.

pumps

(000)

Diesel

pumps

(000)

Total

pumps

(000)

Total

rabi GW

(MAF)

GW per

pump

(MAF)

Wheat’s

total water

req. (MAF)

% that is

from GW

sources

Wheat req.

fulfilled from GW

sources (MAF)

No. of pumps

req. to pump

this (C9) (000)

Electric

pumps

(000)

Diesel

pumps

(000)

1999 117.4 445.8 563.2 25.6 <0.1 22.4 45.3 10.1 222.6 46.4 176.2

2000 112.4 497.4 609.8 25.0 <0.1 23.4 44.3 10.4 252.8 46.6 206.2

2001 113.7 545.5 659.3 25.4 <0.1 22.8 44.6 10.2 263.7 45.5 218.2

2002 116.8 590.4 707.3 25.3 <0.1 22.8 44.4 10.1 282.7 46.7 236.0

2003 120.6 648.4 769.0 25.3 <0.1 22.7 44.3 10.1 306.1 48.0 258.1

2004 132.0 818.2 950.1 25.3 <0.1 23.1 44.2 10.2 384.3 53.4 330.9

2005 137.0 847.3 984.3 25.3 <0.1 23.4 43.9 10.3 400.9 55.8 345.1

2006 143.7 855.9 999.6 25.7 <0.1 23.8 43.0 10.2 398.2 57.2 341.0

2007 116.7 814.6 931.3 25.7 <0.1 23.8 46.2 11.0 398.8 50.0 348.9

2008 120.8 800.3 921.1 25.5 <0.1 23.9 44.8 10.7 387.2 50.8 336.4

2009 120.8 800.4 921.2 24.8 <0.1 25.4 45.9 11.6 432.7 56.7 375.9

“GW” = groundwater; “MAF” = million acre-feet; “C9” = figures in column nine.

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