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WeatherMod Cloud Seeding Guidelines
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Last modified
10/24/2011 1:45:40 PM
Creation date
9/30/2006 9:03:15 PM
Metadata
Fields
Template:
Water Conservation
Project Type
General OWC
Applicant
ASCE-Irrigation and Drainage Division
Project Name
Weather Modification/Guidelines for Cloud Seeding
Title
Guidelines for Cloud Seeding to Augment Precipitation
Date
2/1/1982
Water Conservation - Doc Type
Final Report
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<br />It was found that added rainfall was positively related <br />to grain crop production, and the level of benefits was affected <br />by price conditions assumed. In the western region, where <br />benefits would be largest, estimates ranged from $99 million <br />to $127 million (13). The higher estimate assumed no reduction <br />in crop prices from increased production; the lower estimate <br />considered such a reduction. Lower prices would be reflected <br />in the entire market area, and producers in areas not affected <br />by cloud seeding might experience loss of income. Table 2.1 <br />shows average expected yield changes. <br /> <br />Table 2.1.-Average expected yield changes due to assumed <br />precipitation alteration in Kansas (13) <br /> <br />i Eastern Central Western <br />iCrop Kansas Kan s as Kan s as <br />I <br />! <br />I <br /> Fallow wheat +0.46 bu/A +4.76 bu/A <br /> Grain sorghum +0.47 bu/A +0.25 bu/A +3.15 bu/A <br /> Continuous wheat -0.07 bu/A +0.88 bu/A +2.31 bu/A <br /> Forage sorghum +0.18 ton/A +0.17 ten/A <br />I Soybeans +0.36 bu/A <br /> Alfalfa +0.09 ten/A <br /> Corn -0.02 bu/A <br /> <br />Note: Dashes indicate that given crop is not raised extensively <br />in area indicated. <br /> <br />2.2.2 Economic Effects of Winter Cloud Seeding. Winter <br />clouds seeding to augment snowfall in high elevation areas <br />is designed primarily to increase water supplies for lower <br />elevation, semiarid areas. This results in a situation where <br />the major beneficiaries do not reside in the project area. <br />An exception to this is projects run for winter sports activities. <br /> <br />2-6 <br />
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