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<br />" "7-209ci(4-S1),
<br />, ; , Bureau' of Reclamation
<br />1, REPORT NO, "
<br />.' ' R~93-14
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<br />TECHNICAL REPORT STANDARD TlTLE PAGE .
<br />3.RECIPIf;NT'S ' CATALOG NO: '
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<br />5.~E;P(JRt DATE.. '
<br />Octoher 1993' .
<br />6:PERF.ORMING'ORGA~IZATlqN C'OOE'
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<br />,Ev,aluation ~f Idaho's'
<br />,1992.1993 Winter Cloud :
<br />.' S~eding P-rog.raro
<br />,,7: AUT~OR(S),
<br />Ar lin,:Sup"er" . .
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<br />B. PERFORMING ORGANIZATION
<br />. R'E;POfH NO. ", :' '
<br />R"93-14
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<br />9:PERF.QRMING. ORG~NIZA1}ON NAMEAND:ADDRESS, .
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<br />. ,Bureau' of Reclamation ','
<br />D'enver9ffi~e
<br />Denver,CO 80225 .
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<br />. 10. iJvORK UNITNQ.
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<br />11, C.oNTRACT OR GRANT NQ.'
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<br />, '12. SPONSORING AGENCY'N'AME AND ADDRESS
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<br />13: TYPE, OF REPORT AND PERloq COVERED
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<br />. 'Same"
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<br />. .'S.SUPPLEMENTAR'(NQTES'
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<br />. . Mi'crofi,che'and hard, copy'a~ailable a:ttheDenver .Office; Den.ver; criiora.do' ,
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<br />At t~e requestbitheSt~teofidahti, the BUTEmu of ReClamation performed an ih.d~pendeni '
<br />evaluation of a precipitation management (douQ,se~dip.g)'program conducted during the 1992-:'
<br />,l:993winte.T.: " The'StateaskedReclamation to evaluate the: .prograrIl statjsti~apy' and'
<br />" .pqysically., For various reasons,neitl,1er approach w~s expected to provide, dEifin,itjve apswers .
<br />'col1ce.rning program "effe~tivenes~, bu~ a "first look'~ eval~ationwasjudgedusefui..for'planning.
<br />futur~ precipitation management activities within theState.TJ:te State also reque,sted that
<br />. Reclamationmakerecorpmendations for i'fupFoving.the, ~perationalseeding program. in,the
<br />future:.. . .. ,', ..,. ,'. ' '
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<br />., , . A,target-controla,riaiysi~ was. performed which provided noc~mVincing statistic~l evidence that
<br />, the program- succeeded in its,gl?a.lof- enhancing the, motintainsriowpack to:anybenefi<;iaL',-
<br />. . extent.', However; .'this' statisticalanaJYEiiS approach: cannl?t'discerna lilllited increase from a'
<br />single, wiiiter's,seeding.'Ari approximate' upper'limit.of snowflillproduction' c.aused'by seeding"
<br />was estimated 'by' physical. reasoning for' the' Boise, tatg~t area. '. This ,estimate was'not
<br />encoli.:raging.. Reclamation. re~ommend~ds.everal modifications for the. Idaho operational
<br />, seedjng:design.. ' '. . '
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<br />. 1hKEYW0RDS AND DOCUMENT ANALY$IS " , ", . ' ' , , ;"". , '
<br />. '.8. DE;SCRIP!ORS.. atmospheric research! meteorologylw:ea,ther modificatio.nl orograpl1i<;::
<br />~ .' . . '. '. . '. .'.. , . ,
<br />Clo~dsl- c1l)~d seedingl tHeteOT.9logicalinst):umeritsl .' ' '
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<br />., .. ,. At- " '. .'
<br />b:; IDENTIFIERS-State of Idaho/
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<br />, c. COSATI FiiHd/Gro~p04B
<br />18', DISTRIBUTION STATEMENT
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<br />",COWRR: 0402.1.
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<br />SRIM: ,
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<br />,2.1. NO..OF PAGES,' .'
<br />. 48,;
<br />'22..PRICE
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