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WSP06669
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Last modified
1/26/2010 2:23:50 PM
Creation date
10/12/2006 1:47:37 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8407
Description
Platte River Basin - River Basin General Publications
State
CO
Basin
South Platte
Water Division
1
Date
7/1/1982
Author
Arthur D Little Inc
Title
Six State High Plains-Ogallala Aquifer Regional Resources Study - Study Element B-5 - Local Water Supply Augmentation Assessment
Water Supply Pro - Doc Type
Report/Study
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<br />relationships have been demonstrated for <br />type weather modification program (as <br />insurance). No such cost-benefit data <br />for precipitation augmentation programs. <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />thi s "bad weather" <br />a form of crop <br />are yet available <br /> <br />Wintertime (orographic) cloud seeding programs to augment <br />snow accumulation in mountainous areas (and thereby increase <br />spring runoff to water users downstream) have been relatively <br />more effecti ve than the summertime experiments. Thi s app 1 i- <br />cation may hold more promise for future water supply augmen- <br />tation, particularly for those streams traversing the northern <br />High Plains from the Rocky Mountains on the west. The rights <br />to the increased runoff are uncertain and institutional <br />arrangements for interstate water allocations would have <br />to be established. <br /> <br />The relative uncertainty of this developmental technology <br />(precipitation augmentation), considered in conjunction with <br />the legal, institutional, attitudinal, economic and opera- <br />tional problems mentioned previously, led to the decision by <br />the Study leaders to not attempt projections of potential <br />benefits from weather modification. <br /> <br />b. <br /> <br />Snowpack management (both mountai nous and pI ai ns; quantity <br />and water yi e 1 d) - the treatment and management of snow <br />accumulations to improve water yields, decrease evaporative <br />losses and influence the rate and timing of runoff. <br /> <br />Technology is emerging for large scale applications of eva- <br />poration suppressants to heavy snow areas to increase snow <br />melt and soil moisture augmentation. In those years when <br />winter moisture is above normal and snow depths of a foot or <br />more accumulate, it may be possible to reduce evaporative <br />losses from snow fields and increase soil moisture conditions <br /> <br />8 <br />
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