|
<br />Colorado
<br />
<br />Discussion of Maps
<br />Fi(\l'" 20 thr",,~h .) prOle'" p,.dpll.U",,-r~qu.""Y m....
<br />/0' Colorado ror 6- and l4_h, <1"...1<><1., Flpus 20 ,"roup H
<br />ar. lor ."",,01 (0\' .II.......") ~Il,," lor lIIe 1-, ", 10-, 2~_. ~o.
<br />.ndl00-}"'1\lrn~....Kh.F;IfII...32,'",.u,h4)1~I"rth.M"
<br />'1\<<'"llhQclobe,"U",", """.'" for p,oblbilitles 01 0,'0, 0.20,
<br />0.10,0,04,0,02,1000.01. n.."'oplll~l.l mlpo "'1"1'....,,1,",)60-
<br />.n" 1..1(1-",;" <I,..";,.,,, I<>:!!= p":t;~!-<!~:~:..,., ..rl;>>. Pot.. ........
<br />Ilbul.ledlcrdoc.."4oM.",,.tlDll.<!.y Int......." rOl' tilt UDU"
<br />...~ IDd _" lldiUlloOd by 11M .mpirical f.<lon &i~ '" Ibe
<br />.-.NAl YS1S KCtioto.
<br />
<br />tool'- lllt"'".ol. The kolir>o '0,."".1 oel..c..,d .... ".,ipx<! 10
<br />pnwklo:. ._ably ._plcle dnl:flptioa oIl/1e koplvvW !'foil...
<br />i..'...!ousnilioouofthe.'.u.T'hektJlincint......lIOVl:'......'of,hc
<br />Itl,eon mlpslor thc l"'b.dll.llion Is 0.2111, rot pndpilltloa-
<br />ff.q~....I\lC'Obo\ow).Oln..O.4jn.bd....1I3.011l..nd'.OID..
<br />1M O~ in "....lues ~llu Ihln '.0 I... H"""Cwr.ln .....Ih~l...
<br />Col(lrado do",the Sail Juan MounUliN,th. _n"".l mll"u"""
<br />i...lillO inl."'.loI 0.1 ill. below precipiullon.trequeney ....1.... or
<br />1.0 in...no:t O.~ In. for ~.1""lM:' 2.0111. OIl tile mlpo fOf 1M 6-...
<br />d",.tion.I"'=;II'.rvolIsO.II".I<>fpreclplllti<:>f>.'r.q~~olun
<br />ulld.r 1.1 IIl_ allh. 1.}" and O.~O and 0.20 prOblblti,)' !eYe! (011
<br />....,.. lor ,~. M.y '~,(I";' o.:lo~r e!!lSo!!}. .'.: !O!!i~r ~"'rn
<br />)'trl,>d'f".li>'tlrrf'l',,",blllll.'I.lbturrerllmllcorlheO,!-IIl.ko!lne-
<br />In,.rv.lIn......1III o,der '0 ....In"in ,b. l"'rTu~l.llfldl.nl .00:1
<br />d.,... or d.,.II. oll.n mapo for ,h. 6-h: dunllon.lllc IIoli.....
<br />inl.n,.1 .hufes from 0.1 In. bolo... 3.0 In. 10 O,~ In. ow, 3.0.111.
<br />p...drllI1Ioll.I,.q"....y ~I'U'" O..h<<l In'.mo.dlal. Ii..... hl~'
<br />"".nrll'.dbel",......'ldcly'.pnll.dkolincslool....pOllS
<br />w~....11"urlnl'l'p<lr..loo""1",.,"1henorm.allsopluv\alln'erv.l
<br />,...""Id I..d I" <""'0""_" 1..,""",1.1;",,_ ~L~.," lb.! <1_ "i~~i:;
<br />Ib.boulldari.sol.p.rtie"l..ID.phlV.""....h.tdI.dOllIh.~-
<br />nJ"od side of Ih. 1soliD..
<br />
<br />....,"'ful............."'op><<I\>II.tlo.l..-.......l_.,,,"
<br />.nnull mlpl ill ,hll "',b. r"r,".nl trcq"."")' -""Iu;. of ~;~~;.:
<br />11"" ..~..dlclI of ,~,.." FOf mony h)'dml...lc ""rpoon. pr"lpill'
<br />tio"lllhnl~ninm".ll>clf".I.dlold"!.,."' m'"nC,I""" lI,'t
<br />lo11io~ .. ll'I..... Tho con'rlboJ,ino of .""'" ."",unll lO predprt>t.
<br />;~7,;:)q~~::.vh.~~~.::;.:~::"~:.~,~;~~~:"~~~:.n: ~::
<br />"'11 Invcolilll.d_ 10 ,bl. lreo, Ih.'. "'tf. .boul ~O .lIlionl ocr
<br />,,"l. h...I". 10 10 I~ yn nf "Mcn'ltlon 01 .""...-rln "part of thl
<br />p,.d"Il'II"" (>b..n'llIl ~..."nm, F<>f ueh .u~b >l!,loft, !...o Ul.O.
<br />win '0"'" fonned.. dl"u...d IInd., hll..,,rt'''1101t of Rnulll,
<br />!c:>;:;;;:':-.,,,ofSr""'-lnE-o';m.';n_l'nq......,.v.III..,
<br />A "'H> "",'onn.d 011h. 1.Y' 1~.hr ..111' I", ,h. lOti.. <<In-
<br />Iolnln,mUlmllmlnnult.vulI...lth""'lnl"rdlo,hc'}l'l'ofpN-
<br />~lritlUooa:ldti>:1.},.4.hfv.lucloflh...ricI"";lh_00CIIy..
<br />~o....t1mlnll<'d. A ploI ofllli...li<! VI.II,ltud./5,. !~).ho...
<br />11II'lb. nHo 'com.o t..1! I ".~.i",u", J.. ,he 1.,ltudc o.i COI....."'"
<br />.nod Uloh, o-'er olI of Colorado. the &I1'PlCdpllIlJOf\.cria 'codo
<br />101.....'.lboo' IOl"rc.n, M&h" lh III th..cria...,;lh_
<br />.1imlnll<'d JoI""'.....,. u.amlnlt;(>O of Ih. da,. """'" th.llllth.
<br />f<11l1~'ll nil In.. "., (If I lmot'l11crl 6.000-fl ;On~oll' Ill. dl::'...
<br />nCa be'.....n ,h. """ ..rin ... mlnn. Whb dl'" Ir<ll'l\ ,!II> .t:.
<br />.IIInI..."cd.tI><dJn7nc.bot,,-ecnlh.I.-o..rinIV....CS.bolll
<br />
<br />TlIlI.lI. Eq....'Io.u to' uf;rrt4lUttlJor ''''IIC~;~ c~o""'o ...;,10 lIOlisll<:oI ~.'J to' (/)C1o CqumlOIl
<br /> Muno' S.III""r<l
<br /> Co... HI..I .....put.d "r.r.'
<br />1l1.lonot.ppnUIIUlt)'" [qll.UfO Cliff. llationl It".ul".. ..lim.t.
<br /> ll"cn,,) /1".hul
<br />Sou.IlPI'"&.".p"blle'". ...._0.218+0.1M[(X.IIX,n:.l} 0.94 " 1.01 0.014
<br />M."HI..ndCI(l\l"onR1Vtlr ...,.._1.891+0.439((X.llX.tX.l]
<br />8uifls(l1 _D.OQ8l ,... 75 2.~e -.,
<br />~"J,,~".UPPllrRjoG'lIn~. Y.__0.0Il+0.942{(X,}(X,/X,1) ," " 0.12 .085
<br />U"p.rColo'lldo, and GunnlWfl "',.._0.494 + O.1~S(lX..l(X.tX.)J .90 " 1," ,290
<br />R;~rS"';n5.ndG'eClnRI~&f
<br />BulflbCllowCOflnlJ&n.-wlththe
<br />"'"rnpOiRiwr(21
<br />....m~.fId Gt'Hfl River BuIM Y._O.019+ O.111(lX,l(X,t"-ll
<br />'OOv&COflnueflc.oIGtufl;llnd +O.OOll ,82 " 0," ,031
<br />hm~Riv1lrs(3) "'__0.33l1 +-0.610((XJ(XJXJ)
<br /> +O.OOll ,.80 " ..'" .l~l
<br />NortllPl.lnl(41 ...._0.028 +0.890[(X,)IX,/X.l] ,93 90 090 ,062
<br /> 't,.._0.&7\ +(),7~1I.tx.Jtx.J)(Jl
<br /> -O,0Q3Z .01 .. 1.71 .236
<br />
<br />'"N"mlMlrsln Plflnlhnos ,.,.f.r to &&otV3plllc "llioflssllown in figure 19. Seet..t ror more complele delCriptlo....
<br />till 01 v.,j.I:>I~~
<br />.... _2.yrl.llrflll(l\ll.dv.l...
<br />"',.._IOQ.yrl''''lttlm.!ld...lu.
<br />X, _2.yr6-hr.,olluCllrompreclpll.ltlQ...freqlJ&flcymlps
<br />X, _2.yr24-llr.,,,lue from prOlf:lpltlllOf>.lreqll<lncym~ps
<br />X, _ l00-yr 6-h' wlue Irom ptedplllllon.I,eQuenq map,
<br />X. _11JO.y'24-hr~.I".frornp'eclpi!.llion-'r&Q\leneym.pS
<br />l _po,nlelevst!"nlnhllnd'&<noflll<lt
<br />
<br />..~ ,
<br />J I I I I I , I II!
<br />A,--i--Ilu-I-I--I-'-r-~l
<br />! ~Pf--+-+-+~f--+~,
<br />IF+-+-+~-~k--~I\:
<br />;~I,h~ ,!. ,I. ,L I
<br />1ffi,,'\-;~~;~Rr.f.:rr'.w
<br />
<br />1-'
<br />
<br />U pcre.n',...,;lh onme;ndividU-ll4lff.r.",,;-o Ii I..,. Ii 40 '0 50
<br />pcre.nl. About bllf doe .1.100.. h..... dlll'...."".. I..31.t th.o to
<br />perc.nl_ Th.... doft',,,,,,,,..;ndlul. ,h., t..qu.ncy.:rJu.. COml""ed
<br />rrom'"annuoJ..rlaornintolltltnOllnlsonly"""'ld~JI[<f."1
<br />Irom thOK comp""'d "'31I.prcclpi'.tioo 'a;uc.,.nd '''''' 1<1""".
<br />JCUof procipill'lon.I,,'l1lC1IC}' Inlpt..,,,,,...<d.d.
<br />._h~ :'~~:~:~~;~ ~ ~~,;~t _~~y/~t 2. ~<::nl of
<br />,~i,,;,,;i.;~......,. OIUOdy......ld no('" mid. "'t dirn:llll<lh<><b.
<br />SI!!((tII05t~alIoccunduri",llocO>lderhalf~lh.~<.r.1
<br />1CtlncontolnIOloolyora!unfor1/leMlyloOclober"",-,00"'3'
<br />""""p.rcd..-;lhlho><:rialhll..... Il.utdo.railllalt ""Iy. Th.,...o
<br />fOri.. ...... in ""'" '1,,,,m.lII. .~.pt 10" .JI~hr \>0.. "'....,0.1
<br />hllh.t..h...rorthcM'Yloo.:wOcr_.Thilll,.,rn"I"
<br />from "'''''' lorl" ._nls In Ill. Q<lObo-<."" uti} ~by ""...rtlll'
<br />,u.o"wllldllllllu,lu<ledrtoOlth.nlnlIU."nly..ri...Th-e...r.
<br />u.dUT.......loonJ} '''''''1. pere."', ...hb /><> con.lll.n' ~rol.r.
<br />.n.. .....I'd hI,ber .Je~I,IodIO' pattk:lIl", c<",rophk 'CI''''',
<br />T""'M!lIofm...._..........ft'd r",('"In,.._", ,,,,"A,,,",,,
<br />....n.;.lt nf In""oI m.", b.~'"" p.....il'll.,lnn oJ.,. fw", III
<br />If>o'nt''.oftb'7..r...h''''\''''llnJlOtl''IYrcof~r.,;lpiwh'n.roin.
<br />..'~ .~~ ,,,,,'" !!!h..-:!. ~!! !-~... !!>;1, =t~. 11--'1 ="'~<! ",..'c; ,..~"
<br />p,<<lplurlonv.r"..'ro...thc1llOn,/lSMly",o.:(obc..No,".mjl1
<br />......modcl"lh..oecond..ri..."'dlll.t:nli...b<'....n'ypc.o{
<br />Fecipl,al;";; o.;cumnl ..I(hin ~~..... "",nth.. Iru, ,h. In""",is,tiu,,.
<br />m.nl;.,n<dinth."'ll'<edln'I'ICllr.ph,ll<fk...lh.tlh...m'p'...ilt
<br />.~prot;moll tho ..1".1 th.\ """,Id be ohlllr'l<d by .."n, I J>tl
<br />"fin m><k"F of pte.:,pUlllt>n ...n.. Ih.t... ..eluslv.ly ,Iln.
<br />S,"". d.1I lor only p.(\olll>c ~u' ....'< ",.0.1. ,,,-," mlP' bl""
<br />i><."J.b<loJ-iththclpprop"".p",balr,ln,nllth..U,"nwllho
<br />r<tll'"pcriodin yel..(ft.... J2_.l3).
<br />
<br />'11"" ". Rallo 0/ :'-'" :~.Ir, ''''''./M .11"..", I<> 2.Y' 14.;"
<br />'OaIw/."-roI"/"I/.,,,J,nl,,,;,..,Jr.
<br />
<br />~.
<br />.
<br />;/-
<br />~
<br />
<br />1.lIi.12, Ad/wf....tltltJf:f(N1lo"bl4h10-mb0~Q
<br />J..,,,,J-ltr-.o1ws
<br />
<br />D"l'lltlon(m;nl
<br />Ilaliatgl.ht
<br />
<br />,
<br />0.:29
<br />
<br />30
<br />0.19
<br />
<br />10
<br />0.4'
<br />
<br />"
<br />0..57
<br />
<br />IAd<lll11Jd '10m U.S. WUfller 8ulUu T<cllnic.1 P.JptI, NO. 40,
<br />1961.1
<br />
<br />Procedures tor Estimating Values tor
<br />Durations Other Than 6 and 24 HT'
<br />
<br />lhe ""pI~v,al molp" in ,h.. All... "'" fot ()- othl14-M aura-
<br />tioclf,.F..."'"o}llydroloci<p"rpoon..-r.....rorO<h.."lUlliont...
<br />1IOK....f}. Suo:h vol.... .... be tod.....,od alnl thl 6- &ad ~4-hr
<br />In3",lf'ldthc.",piricalmcI1>odloudl"cdlnth.,ollo-oinl1<CUDru.
<br />ThavrocC<lute,dcu.II.dbclow'..."",.,,,,nll-.l-.lAdl-ht..tl-
<br />m.le>we", dev.lop:d .pccilk.111y rOf 11'1;" A,I... The procc4"'a
<br />tor""lIlnln'.lli.....l.. roo k<lllL3n I_II. """,,""" 111..1 10. IZ.lrt
<br />d"ro,ionwc,.aJop,odlrnmlY_h.rS"""" Tn:itt1,.p/,P<Jp#i'lo
<br />4O(1I.s.W<ath.rBu"'3..1961)0IlJy~l<.jn"""il.tioftdc........
<br />"'"lcdlh.lr.pplica1>lll1ylO....tolromlhe."''''''v.redby lbu
<br />A,w.
<br />
<br />"'""'........ I.,.. .......~I!~= 1.", (<!oQ."'!~l ~",'d~;!,!!~'" !,.
<br />~..~ ..I...... Muhlrl<."'~r'''''''' "'It.",n! ,,,,,1'1""1"'" ",r< mtd
<br />1" dc,.lop <qu,"'''''' for <","'~II", I.M 0.1"1>1"," .,Iv<; f."",,,
<br />c<>II,iJc,cd'"1h<<."..n,n,p,,,,,,,,,,,"'''.'C'llt,,,<J,,,'I>0-'I<'h.,,
<br /><ould be dclCI",I""d ...11. I,om ,he ""P" of ,hI> A,;., or I,~m
<br />101IO".l1y ...II,bl, 'oP<'S,~~b"" m.,...
<br />Th. 11 'IO.,l.m'l.l" ....,.1<p".'.d i,,'o<<ver>J g<'-'l:"~""
<br />"'sion" Th. '.1""" "'..c oh",." Q~ <he b", o{ ",.:cere'I",:,,!
<br />.~,-' ,lim"ol,-,gio! "'-'''''''!<t><:;'Y anJ ,,' s<n.""~ <"",--,,," .....e' n'
<br />!tv", b./."., "p~r31.<l lry piomlo.", ,j"idc, FOol! o{ ,h.", ;<""
<br />!r.phtc ...io", It< panlally ."h,,, (o,orado_ F~r conv.c.<n.:<
<br />,,,,, DOC II In o~.rl..y <>II ,he precll"lI""n-fr.q...ncy m.p.. thc,.
<br />"'i'."....." "~,ii,,,",,~ ~Ii~r' ,-j. ",t ,,'" C";",,,,., "t,vn " 1''''
<br />ofthCrc:l'ionth3rlic'lnlbeuttof,j!cCooti""n,.1 DOV1J. ,oJ
<br />Ih. erul ol ,h. SanJ!'c dcCrT-t03l1d s...':t,"lIOn,o .\!<>unL'"nl and
<br />i. "'"I~ 01 'h. d;VloJC "'I"'r>tinj ,I;.: Jr""3" b..,n' ..)( ,IH: 1'~"J\
<br />IlId $l>\I1h Plane Rj""...ll Will..'" 01 lb.1 pol"OIl 01 Colo"Jo
<br />drltpc<l by Ill. S<>u'h Plluc. R.publi...D. A,bn,...,..nJC,m.:&<rt>n
<br />RJ..n IR.~"n 1. do '91, Th. _..~n '''''''h cn~,i." ^, ,_~" ''';
<br />drlill<<lby-thcs..IIJ-;'3n.Up?CrIl.>oGnnd..l.:pptrC"I"...Jo..,,<l
<br />Gllnnioon Rive.. .nd lry ,h. Gr.." Rl..r bolo... I" ~onnu<nc. ...i,~
<br />lb. y""p. Rl..r (R<Ilo".. ft" 19l TIll... 1'"/1 of 110'1<' I<IJ~n
<br />thl1..lCndolromlO'''h'''.ll.",Coto....ro............Jl<>lh.W:u->...h
<br />
<br />'-'",,,n":O\"fCt,h. ,"J,,,,,,h.,..,,J '~'o~i.' .-\.".,.-..,,,...;J;:-.. ..",.
<br />tfO hJrl u/ i'I.... ~1..l.:". Th. ,hil<l ...,;on 1. ,ho ""'"nl"'""'"
<br />p"nlnn ,,{Iho .rCI M'....... 'h.C...."...."1 0.."-1. ."d ,~. ''','
<br />,;: ,h. C......J. 1=;anl~' ,,,. '"'''''''' ,hll Ii.. wi,hill CC!o"~,, ..
<br />lhe "",th"'nf.'" P<'tl"'" of ,h. S.al. thal l.drl;ncdbylh.Yompo
<br />Riv., .,,<1 lhe Gr.." R.,v.r ~bov: ili conn""..... ","l> ,ho ,/,m;>"
<br />(R<1I0" J. AI_ LIII. A .molt portion 0' CoIondo d..i..w lry ,h.
<br />N<><l~ l'1.tt. I. P,CII"" ". 5...r. 19, The 11!~<f "I,on 0/ ..h,~
<br />U"'''ol port illdudn lhlt P<'rtJ"" vi \l,~"",,", .nJ :.-/"""",,,,,
<br />ol1hcConllnenuJ D..kk E'lU.li",,, IQ p,ov,J._."lm,lln {or 'h.
<br />l.h,J"'~U(>l\.lo[.~,.n.J 100.y'lcl~n.I'."~.rc..>llQ...Q.k.W>;.
<br />J1:' A1>.o Ii.l.d at. -,h. ;utl"kal p.>..m.'." .."",..,.d ...i'"
<br />...h <qUIlI"o, In 'h..... "'!u.Ilo.... Iho ..rialrl'I(;C:,/(X,/X,JI or
<br />
|