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<br /> 0 <br /> u <br /> C <br /> " <br /> I.J <br /> C <br /> 0 <br />I 0 <br />0. <br />; v <br />I ,.... <br />I '.,." <br />j .." <br /> 'v <br /> r-- <br /> ~ <br /> r <br /> v' <br /> G <br /> r. <br /> ....., <br /> ,y <br /> '-" <br /> I'~~ . <br /> ,j <br /> (....~ <br /> '-'0" <br /> 0 <br /> ;, <br /> I.. <br /> <br />6. FJ.c",,,,,,:L~e-'J.Uenc~-,,-,,a}:t:';Is - Peak fle',;-frequcncy curve's ';.'r" <br />prepared for each index peint using the analysis of str(',1C1f10'. <br />data and the rainfall-runoff cODputations discussed in the following <br />paragr<lphs. <br /> <br />, ",.. "', u ~ <br />...--------- ~------------~----~--_.-~ ----.------------- <br />(An exal,unation of the streamflow records in the Y.:lTopa Rlver bilsin <br />shews that most of the annual peak flo,,'s are produced by snm;;nelt. <br />Therefore an analysis of these rec("ds yield flo;"...frequcncy curves <br />,'hlch reflect pdrr:arily sno\..""elt condi tfons. It should be recognized, <br />, however, that rainfloods can OCCllr in th" Y"c"pa Fiver ['"sin. The June <br />II ~921 2n~ Ap~il 19?4 fleods ,~ere caus~~,by a,coC1bfnati~~.ef sno~~~lt and <br />Q. Lcncrul ruin COddition O'\cr the 1';lLL[C b,::::,ln.. In 20cLt.tfon to ,-he <br />~ general t"id.n type storii':S SUCE1C:r cJ oud~,,-]rsts cz~n occur In the basin. <br /> <br /> <br />\ ------------------------ <br /> <br />~~--.-- --~-- <br /> <br />" <br />The.' sno......TG1clt portions of the fIo-..; fri..~q1jc.ncy CU1-VCS at the. urlg.3[;cd <br />locatiens ~ere defined uslng an analysis of peak flow data at 15 <br />locatio:ls \.lithin the Y.,Rpa River b.._sin. 1'110SC sta.tions ....~ith "more than 10 <br />yc.'1rs of record ';-.,'crc selected for <.;n.31ysi.s. The stations user] 2.nd the <br />cOGputed statistica.l p~'1r.::1:t!12.ters <1l"e sho\"~n in the follo'~~:Lng table. <br />--- ---- ------------- <br /> <br />7 <br />! <br />I <br />I <br />'1 <br /> <br />.----- <br /> <br />,- <br />J <br /> <br />..', . <br /> <br />" . <br />