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<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 />2.0 IlESl:,\IlCII \l'Olll-: I'LA~ <br /> <br />This section describes the plan to implement the research outlined in "statement of work", This <br />section includes I) how prior research will be tested and con finned, 2) how data ,,,,'ill be collected <br />to document the "physical chain of events" believed to cause seeding effects and 3) the potential <br />use of infom13tion gathered to improve the utility of the sncw A weather modilication program <br />and assist drought mitigation studies. <br /> <br />2.1 Uuilding l'pon the ({esults from the Santa Barhara III~cscarfh PrognlOl <br /> <br />The randomized Santa Barbara II Experiment \va'i, in large part. a "black box" experiment <br />(UrO\\o ct al. 1974. Thompson ct al. 1975). Seeding material was released from ground or <br />airborne locations during convective band passages and the effects of the seeding were examined <br />in temlS of precipitation observed by a large network of rain gauges. More recent thinking <br />regarding evaluation of weather modification programs has emphasized the importance of <br />physical measurements that can be made to document the impacts of seeding at dilTerent stages <br />in the production and fallout of precipitation, in addition to statistical assessment of the ellccts of <br />seeding. This documentation of physical changes that may be caused by seeding has been <br />rc:lcrred to as "links in the chain of tHoIS" which progresses from the release of seeding <br />material through augmented precipitation reaching the ground (assuming the conceptual model <br />and seeding execution are correct). Figure 9, belov.... demonstrates this concept. <br /> <br />Santa Barbara County <br />Precipitation Enhancement Program <br /> <br /> <br />- <br /> <br />'" <br /> <br />... <br /> <br />~J.:: <br /> <br />~ <br /> <br />liO- <br /> <br />J <br /> <br />Fil:llTe 9, Schemlllic i11lutralioll oflhe phJ.5ical chain of I!l'ellls thaI/em/from .lif!edilll: of <br />sllillIb/e c10lUlf 10 illcreased precipitulioll 0/1 the grolllUL <br />n ~t""Jtht'r [}.l.11J;tg~ .\tudificlltitJn Pn'1:l1lm 21 <br />