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Last modified
1/25/2010 6:44:53 PM
Creation date
10/5/2006 12:14:09 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
293
County
Rio Grande
Community
Del Norte
Stream Name
Rio Grande River
Basin
Rio Grande
Title
CWCB Review Report - Floodplain Management Study - Rio Grande River near Del Norte
Date
9/1/1988
Designation Date
1/1/1989
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />. <br /> <br />. <br /> <br />~"<,,,,-=' -- <br /> <br />. <br /> <br />6, <br /> <br />Di vers ion Charactel"s; <br /> <br />7. <br /> <br />previous Studies: <br /> <br />_.~ <br /> <br />does affect hydrology <br />__' does not affect hydrology <br />should not use stre"m d"t" records <br />--;j.from to ~ 0/ <br />lISe.. Lve ,~Iq'61 -- qcdt.iM dt/;O'$/'&I/t <f(OW <br /> <br />~ ::;;:i~;~~~~ "",k I <br /> <br />title !:!;}'a- - :"x.I;;;-'F&~ <br />tit I e Els..:::J5:iL __ <br />3 - 30 - ~ 2.- <br />new cond i tions <br />new methodologies <br />___ _. comparison provided <br />compatible with previous flows <br />_. ___ signi.ficantly di.fferent statistically <br />confidence limits <br />90% confidence interval <br />50% confidence inter'val <br /> <br />IFINDIIVG: <br />I <br />I The hydrologic analysis ___ meets _____ does not meet the mInImum <br />I standards of Rule 5,B, (detailed) or __ Rule 6,8, (approx,) <br />I <br /> <br />c. <br /> <br />Hydraulic Analysis <br /> <br />1, Water Surface <br />Profiles included: <br /> <br />2, rloodplain <br />Boundaries: <br /> <br />3, M~thodology: a, <br /> <br />b, <br /> <br />V' ./ lO-.year <br />....... 0 <br />5 -year <br />~O-year <br />--~o-year (optional) <br />___ frequency-.elevation table <br /> <br />V <br />~O-year <br />500-year (optional) <br /> <br />~fifep backt~ater method",o <br />--""[7 HEC--2 ~ - 31 -0"0 <br />--. other <br />alternative method <br />published manual <br />assumed depth method <br />~depth stated on maps <br />geomorphic features method <br />history flood method <br />rating curve method <br /> <br />e:L de <br /> <br /> <br />c ~ ,,".4#_,,__.D.alinti!.a.t.;Lo.n..-..--"-----...___._"...'"._"~...flood ....contour".me thea'" tl1:c.,--.....-..------------ .----- <br />-.. Procedures: --V map contour method etc. <br /> <br />-8- <br />
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