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<br />, <br />, <br /> <br />, <br />, <br /> <br />precipitation rates are in the 0.5 to 1 mm/hr range. The <br />ratio of Footprint Precip and these wintertime rates is a <br />seeding increment. However, it should not be compared with <br />the increme~ts suggested below in Section 5.1.8. The modeled <br />increment applies only to the particular conditions used as <br />input for the model. <br /> <br />5.1.8 <br /> <br />Suggested Seeding Increments <br /> <br />Prior to the design work, other drought study participants <br /> <br />requested an estimate of seeding increments. <br /> <br />Two values have <br /> <br />been provided, a conservative estimate (Ml) and a liberal <br /> <br />estimate (~12). <br /> <br />The two estimates also differ in length of <br /> <br />seeding programs. <br /> <br />T~e conservative estimate is based on a <br /> <br />seeding program from ~ovember 1 to March 31. while the liberal <br />est iO!la te is asso ci a ted wi th seedi ng from November 1 "to \1ay 31. <br />The incre~ents listed in Table 5.2 were based on the evaluation <br />of the current seedi~g program in Utah (Tho~pson and Griffith, <br />1981) and on past experience in areas not affected by that <br />program. The liberal estimate also includes advances in the <br />state of the art of weather modifica:ion that coald occur <br /> <br />over the next few years. <br /> <br />TABLE 5.2 <br />Suggested Seeding Increments <br /> <br />Di vi sian <br /> <br />Conse~vative (~1) <br /> <br />Liberal (M2) <br /> <br />We S1:ern <br />Dixie <br />North Central <br />South Central <br />Northern Mountai3s <br />Uinta Basi~ <br />Sou"t!least <br /> <br />5% <br /> <br />15% <br /> <br />10 <br />10 <br />10 <br />10 <br />o <br />5 <br /> <br />20 <br />20 <br />20 <br />20 <br />10 <br />15 <br /> <br />5-13 <br />