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Last modified
7/28/2009 2:35:06 PM
Creation date
3/11/2008 11:22:03 AM
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Weather Modification
Title
A Proposal for Cooperative Weather Research Between the Santa Barbara County Water Agency and the US Department of Interior Bureau of Reclaimation in the Context of the Weather Damage Modification Program through the State of CA 2002-2003 Winter Season
Date
10/17/2002
State
CA
Weather Modification - Doc Type
Report
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<br />Weather Damage Modification Program 4 <br /> <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br /> <br />latitude cyclonic storms that frequent the area during the winters. Additional water into the <br />Bradbury Dam/Cachuma Lake facilities becomes drinking water for residents of the south coast <br />of Santa Barbara County and Santa Ynez valley, aids groundwater recharge, and enhances <br />wildlife habitat. Additional water into the Twitchell Dam/Santa Maria project provides <br />groundwater recharge for the over-drafted Santa Maria basin, as well as direct benefit to <br />agriculture, for vegetable crops are grown there year round. <br /> <br />Enhanced rainfall plays a critical role in the mitigation of cyclical droughts such as occurred <br />1987-1991. As well, during periods of 'normal' rainfall, increased supplies are allocated to <br />environmental enhancement purposes, for example supporting preservation and enhancement of <br />the endangered Steelhead Trout. <br /> <br />The foci of this proposed research program will be to: <br /> <br />· Build on the Santa Barbara II research program, elucidating the unknowns in the chain <br />of events through modem tracing techniques, chemistry, modem microphysical cloud <br />measurements, and modeling. <br /> <br />· Verify the Santa Barbara 11 statistical conclusions that suggest that releasing ice nuclei <br />into convective bands increases precipitation in desired areas downwind. <br /> <br />· Fine-tune and evolve the SBCW A program to maximize benefits. <br /> <br />We believe that this approach towards the advancement of understanding of weather <br />modification activities will give us and the scientific community better understanding and <br />information that will aid many agencies exploring drought mitigation measures. <br /> <br />1.2 History <br /> <br />~u <br />~ <br /> <br />Santa Barbara County has been involved in both research and operational cloud seeding <br />programs that date back to the 1950s. Notable activities within the County are summarized in <br />Table 1. The most recent research program, Santa Barbara II, was conducted by North American <br />Weather Consultants (NA WC) in the County in the late 1960s and early 1970s, through funding <br />provided by the Naval Weapons Center at China Lake. This research provided evidence of the <br />ability to increase precipitation from "convective bands" embedded in general winter storms <br />passing over Santa Barbara County. These bands were found to be common features of Pacific <br />coastal storms (Elliott and Hovind 1964). The results and the basic design used in the conduct of <br />the Santa Barbara II program were utilized by NA WC in conducting operational cloud seeding <br />programs that began in the County in 1981. These programs continued through the 1996-97 <br />season. <br /> <br />l1~ ( - ~ r <br />
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