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<br />------------------- <br /> <br />'F <br />-....J <br /> <br />TABLE 5.3: SOUTHERN HIGH PLAINS CROP CONSUMPTIVE USE. BLANEY-CRIDDLE METHOD- <br /> Walsh 1999 <br /> ESTIMATED GROUND WATER PUMPAGE <br />Date: August 25, 2000 User: wja Job: 99-028.002 <br />Station: Walsh, Colorado Elevation: 3977 feet Latitude 37 deg, 22 min <br />1 2 3 4 5 6 7 8 <br /> Peak Unit Monthly Total Peak Month Seasonal Unit Total Seasonal Total Seasonal <br /> Irrigated Peak Consumptive Consumptive Consumptive Use Consumptive Use Irrigation Requirement <br />Crop Acres Month Use (Acre-inch/Acre) Use (Acre-Feet) (Acre-Feet/Acre) (Acre-Feet) (Acre-Feet) <br />Corn 77,300 July 7.78 50,141 1.77 137,109 161,305 <br />Wheat 32,200 May 3.21 8,625 0.78 25,096 29,524 <br />Sorghum 16,700 July 7.86 10,940 1.49 24,927 29,325 <br />Alfalfa 2,600 July 8.12 1,760 2.13 5,525 6,500 <br />Totals 128,800 71 ,466 192,657 226,655 <br />Explanation of column information: <br /> Column 1: Irrigated crops grown in the Southern High Plains Designated Ground Water Basin. <br /> Column 2: Proportion of irrigated acreage within the Basin, source FSA Office, Springfield, Colorado. <br /> Column 3: Month for which peak water demand occurs, from Blaney-Criddle Method. <br /> Column 4: Peak unit monthly irrigation water demand, from Blaney-Criddle Method. <br /> Column 5: Total peak monthly irrigation water demand, from Blaney-Criddle Method. <br /> Column 6: Seasonal unit irrigation water demand, from Blaney-Criddle Method, column 2 x column 6. <br /> Column 7: Total seasonal irrigation water demand, column 7 divided by 0.85. <br />