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<br />liu2dJ. <br /> <br />160 EFFECTIVE DISCH^RGE A."D CH"S:'iEL-:.tAI!"olE~^SCE FLOWS <br /> <br /> 'CO <br /> I <br /> I WIL.L.IAMS FOP... ,.~I':::JLE S:JUL.D!:~ <br /> "[ \/EAI=\ ~E.AL. r CREEl< .'\lEAl:! <br /> lIo'EDERLANC <br /> "r , <br /> - <br /> ~ L <br />~ <br />'" 4:::1- - r <br />> I j <br />a: . <br />w " - <br />l- I <br />Z a d <br />~ , <br />'" <br />::l '" <br />0 ~ <br />W ~ORTH PLATTE; LA<E ~OP_1'C AT <br /> I <br />~ "~ RIVER "'E.A~ GATEVIEW <br />0 ~OATH CiA TE I ~ <br />~ L <br />"- <br />Z 50. <br />'" L l ~ <br />w .,~ I <br />::; - <br /> I l <br />> r , <br />~ <br />;( ,,- <br />c b e <br /><J) <br />> c <br />'" "X, <br />C , <br />I- r L.ITTL.E SNAI(E RIVEA HAL.FMOON CREEK <br />Z I <br />W &Or NEAIOl SLATER f NEAR MAL.TA <br />U <br />a: <br />w "',. <br />0. <br /> I <br /> '" - <br /> l <br /> 2Q <br /> C f <br /> c 8C "" <br /> , " '0 .. " '" , " '" .. <br /> PERCENT YEAR CONTAINING DAYS DAILY MEAN FLOW EQUAL INTERVAL <br /> <br /> <br /> <br /> <br /> <br /> <br />FiE_ ~ i\ccumula[j"e lIismbutlon of d.J.ys ...'t:en domma.'11 bed-:natenll ~o~g discharges oe:~d du.'lnil the <br />period of~co:'d.. (al "'illia.1U Fork. nnr 1.eI]: (b) "SOI"'.h Plane RI"e: ac:u SQ~.bgl~e; (c:) Li:tle Sllale: Ri"c:r ne:L1' Slater; <br />(d) Middle- Boulder Creek II Se::l~I~d; (e) We Fo:"k nell.l' Gale"'ll)\ and (f) H.lJfmoan Cn:ek near Mila. <br /> <br />which ~'ill sUbStantially mai.DlaiD the exiJtlQg physiea.l <br />dlarat;terisucs of these "Vcr ch3JUlels ....'hen the natun!. <br />streamflO'\lo'S an: appm:aably aJte~. The focus of our <br />acaJysis will be the situatIOn ....bere rurun1 stre.amflO\lf1 are <br />:u1.uced: however. the .approach is eq1.Lllly suitable for the <br />SUU3tiOD ,",'be~ n.arunJ suum.~oo;..s ~ increased. The <br />followlD& an.a.lySlS ana diSCUSSion will consider lhe issues <br />and difficulnes th.t anS( In formula..'iDg I r!giIm: of <br />cDannel m.aJ.Otcnance no~ <br />Before proceeding. It IS unportoanl 10 restale tb.a: the <br />~glme of ct:.J.llOel rrwnttllUlce flows IS a necessary. but, <br /> <br />110 d <br /> <br />0991S6;um <br /> <br />perhaps. not a sufficient condition to lD.3.i..ntain 3D existing <br />cbmnel. Additional factors frequently influence or <br />delermme specific characteristics of .a ch.J.llDel. <br />The cirt:umsta:lttS for wbi::h one ~'ould need to <br />formulale a regime of chmnel ma.i.n:enmce flows ;ue quite <br />diVerse. The ,av.J.Il.J.bility of inform:mon deSCribing lb.e <br />e:r:lstiJ::g ana fututt suumf]o....~ and supply of .so:i1mem to <br />the chan.o.el ~'ilJ vary .ere.ally. The id=-1 siruatioa is the ODe <br />in whidl detailed informanon e.usu COl:I.cen:tiDg the n.JItl.n1 <br />flow regtme. bed-awtt1aJ transport. u well as the: type of <br />strucC'Jre aDd the manner of operalloe !bat will j[ore or <br /> <br />3JI\,JS ISJ,OJ \OSl <br /> <br />,t:11 103~1.6 .1. odJS <br />