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Last modified
7/28/2009 2:29:16 PM
Creation date
5/16/2007 3:02:42 PM
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Weather Modification
Title
The Feasibility of Operational Cloud Seeding in the North Platte River Basin Headwaters to Increase Mountain Snowfall
Prepared For
US Department of the Interior Bureau of Reclaimation
Prepared By
Jonnie G. Medina, Technical Service Center, Water Resources Services
Date
5/1/2000
County
Statewide
State
CO
Weather Modification - Doc Type
Scientific Study
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<br />TABLE 4.3. (Cont.) - ESTIMATES OF CLOUD TREATMENT ADDITIONAL WATER <br /> <br />Estimates based on I April observed mean <br />SWE > 9K ft <br /> <br />AVERAGE YEAR <br /> <br />Area> 9000 ft msl within watershed (acres) <br />240 deg <br />360 deg <br /> <br />Seeding Factor <br />.45* .25 <br /> <br />0.1125 <br /> <br />DRY YEAR 50% of Average <br /> <br />Area> 9000 ft msl within watershed (acres) <br />240 deg <br />360 deg <br /> <br />WET,YEAR 150% of Average <br /> <br />Area> 9000 ft msl within watershed (acres) <br />240 deg <br />360 deg <br /> <br />Area Mean Natural <br />covered SWE Precipitation SWE <br />(acres) (inches) (ac-ft) <br /> <br />873,950 <br />226,534 <br />240,495 <br /> <br />Seeding Effect Estimate (ac-ft) <br /> <br />26 1,893,558 <br />26 490,823 <br />2 40,083 <br /> <br /> Areal coverage <br /> 28% 40% 60% 100% <br />240 deg 55,218 78,884 118,326 <br />360 deg 4,509 6,442 9,663 <br />Total 59,727 85,326 127,989 213,025 <br /> 28.04% 40.1% 60.08% 100.00% <br /> 3.15% 4.51% 6.76% i i .25% <br /> 30.30% 40% 60% 100% <br />240 deg 27,609 39,442 59,163 <br />360 deg 2,255 3,221 4,831 <br />Total 29,863 42,663 63,994 106,513 <br /> 30.30% 40% 60% 100% <br />240 deg 82,826 118,326 177 ,489 <br />360 deg 6,764 9,663 14,494 <br />Total 89,590 127,989 191,983 319,538 <br /> <br />Percent of possible seeded water volume <br /> <br />Percent of total natural SWE <br /> <br />13 946,779 <br />13 245,412 <br />I 20,041 <br /> <br />39 2,840,338 <br />39 736,235 <br />3 60,124 <br /> <br />28 <br />
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