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<br />FUlOD ELEVATION UMITS
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<br />pruduoll- .
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<br />......,s- in Ile e..,...........
<br />Rodly liIounlains. ................... - -- - -- ....
<br />...-imunH.ftI ......tIaII. htc..... ........ CWft ... ..... tw 1IotltII...
<br />__ occurs In the _ 01 !he ~ _primIIriIy--- e....-
<br />1JedracIl-_lIII\I IJOOIII' drainell80ils on -v....... sIope$ ---
<br />runolI.
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<br />The _..... __ __ eIo._, _ ~.dic"e... inIeoasttl~_
<br />......,.....end. MaJdrrun__rgesnongeslram 58"-""..__10
<br />3O_1n-... and Idaho(~ I). ThIs de<: In.-....
<br />_geoll_~_""_'"",,_~oIpr~
<br />-....e. EllSl 01 the c...tinenlaIllMde. "" Gull 01 _ is ... plmary .0.""" 01
<br />mcIs1ut.. __0I....~~.1h. _0.-..'" prinwy.......
<br />01_... _ """*"- -.v (Colin. and........ 11191).
<br />
<br />The ~ 0I1oods In the Rocky _ mgion we... ........rizeel ~
<br />S_.lluI oouId bedDnelor_......'.'lllli<ln. _1ISli't _ basin. Jar.....
<br />(1981) enalyzeel unil dismaIge tor mlIjor _ -... in CoIoredo. ThaI studjr
<br />I_eel. m_ .....~oI38 rn>/.r...- .._.._.. ~2,300
<br />..)In'" SouIl PIlIlIe ROle. basin, 29 _Inthe_ __A, 0.9
<br />~ In ""RioGlande b8sln11llls _1IIOlIlIy ill _ 2.3DllIII In~.
<br />and 18 m>ls/kmIln lie Colorado RlYer _n. Thal MUdr ....-.-.... __ uniI
<br />oIIodo8ly6 is ~ _ _I oIlI1e CoI.......w Divide. The .1e.8IioI.1imiI
<br />lor 1.1 _...is 2.130 m In .... Colorado _ basil. or 110 111_..... east ..
<br />Ihe ConlinenIalllivlde. ~ """ een maimum unl1 disd\aJge and _DlIon
<br />_ lO subslantlallloodlng..... end _ 01 the CoI_ iIIIllMdB _ .........d 10
<br />_. f'.bIePeciIic-.to"""*""'......""...in_~.
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<br />The resuns of tis MSa41dt tuwe '-I~" .~b1D in... restJIReS
<br />.",....~ ouch as design oIlIydraulc...- and Ilood-ilIaIn menagemenlln
<br />.... Rocky 1olounIalIIS. as iluslra1ed In the loIkMiIog. , ......... _ dem-sIIleIy
<br />~Ns._lnprobable_~IPMP)..... . In''''Rocky
<br />lAounIaIn5 (H_ end aIheB. 1988)1"" "'" ~ 1aBger..... estln1ales
<br />~"" earlier ouideIines. Hence....-1I18Irimum load (PMF) ...... .ks, -.
<br />are -.ect -.l>NP _os. also are..-.............. _ _ 'n
<br />Thus. spIIIwap 101'_ d 8ld&lino- _ ......8tiuo> -...._
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<br />IS.
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<br />f.NG_1NO HYDROLOGY
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<br />In''''''''''edby_Sale4y...-.,8S~deslgll8ll-''' _oIC06l1v
<br />1IIlI"'06"- lOselistynewelanHalrlly CIlao_ __C1ll1l1l)
<br />eslinl8led_lhealSllo<_';'.gjusl 162 ~_In ~-
<br />=:,~~=-==-~~~~;:.-;
<br />Iocafed .... d 2.3110 Ill. ~ Dam spiIIweof _ J 'i ....Ior a PMF
<br />Gl6371J113/$; .. tWsed PMF i!l2.780 m\fs. '......8".............~
<br />...,st_1oom 0IyInpus 0-... "'" ...____85 '" 140 _ during"" _l,lIDO
<br />'" 10.ooo_11he - was t:;r'.dprlor '" _........ ~ ~ sluIIV
<br />...... _1COl_....ISId. ,_~.. enlaIllInlI~ (or ~-
<br />spill_I...... 'VZ'I ."..:.f1Ieo1_tor adIIIiIileIfnriIo"" ",.....-the
<br />--"'II 01... ~,.......",,- oIlIoodIIln the FIadIiI MounIIinL
<br />To .-.-SlIllfHI_pIMl.....__. _"'poaIed~ -.era and
<br />pubic __. tIood-pIaIn _ __ "'...., and proolde 1nIo- - .. '"
<br />rniIIgaIe or _Ie agamt _~ The 1~1oad" used lor ~
<br />pur_ln~ __InColor__ A..,....._-.....n_
<br />made oI_-InIquency _es (~.... _ClonopuIed$ Log
<br />Pl!arson___1or _1rom8 ib....,~__
<br />C_Ilavin920or_,.,s01_ (Jarrell .-,In press -
<br />~ _plaln~ _ _'eble ~ ........__.............,10
<br />Iloor!-'-"""- _In 1It.ud1lIloil...-_- -'" (pi.llll.'oed).
<br />On -_. "'" published I~. _ is 35 percIIIlIllleaIm 0-....-.1
<br />'~Ior"'" 25 _. _dllet_.. _011_10<"'" fO-;50-.
<br />and _. Far'" II _In tile CoIorIllloF""" RMge. the ......."'"
<br />in "'" I _ _ .,., ..",ages 5& perc:enI; lor Clear CreM .. ~
<br />Cello.. . has a 125 year .acord. tile _..~ is 99 P8IC8flI l-.ll00-year
<br />_.'76_and"'~IQO-__=35I_I. Th8se_
<br />esIimaIes 01 !he IllO-IIoodW8nl _In. ~ _lot c-. ~ 10
<br />_s....irnplicalionsolthedilft.~....In__.. tor~
<br />"""_.....1. On -eve......-.. 100."....,_ depCh is 2,9 m -...
<br />pullllS_ 'QO-yeer Iood deplh-is '3.9 III. and.... gaflId I QO-yea. Iood _ is 62
<br />IIIand"'publla_l~__I583m.
<br />The N-... _. SeNioe (NWSllllOVlcles generaI- ""-...
<br />...... issues flood _ and_nIngs. Flood _ _-.g&CMI......
<br />_. reduce __ PftIY8Ill"w_A&JY"- .~~- -,-
<br />.ain was ""'_lOcause -.0. and _.- lor ""...........g-
<br />_ lli1ioo*ies arise in...-.u Inforn_. an spedIc _ subject IO-.g,
<br />parlic:u1aflv lor...." /toodIng. In ~ _ _Indealiog a __ is
<br />sulIject \0 flash _... .... NWS ...... issues __ -- end -"lIS.
<br />will a~ indicaIing poIential-.glsl _10__ 2.3Ollm. Thla
<br />quali/ica.... ~ lhe pullIIc"" a """" spedIic __ d'" _ subject
<br />ID Iooding_ mlrimizes"" _lor areas tor_the -nng _ no!
<br />eppIy .
<br />InIerdiscipIinary _,mln lie _ oI_-""'llt. "'1gII_III~. end
<br />,.aIoJ1ood h)~ wII"- _....."".dge d AocIly _lIoad
<br />hydrology. Additional hjodr~.-olOgIc and .......""od. -~ Is needed 10_
<br />_s_...causesOl...._liDR_"'_....._~1oocIng
<br />in Ihe Aod<y MounIeinS- ~ n... ....., ~ Ior_~ ~
<br />51_ are ne-. P~io....lIgaIIo.lS _ ~ _......._on
<br />_ _ _help-.e _aIiOAlirnlIe oI-.u,
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