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<br />ecincid2nt roo cfs disch:"rge frol1 th,~ Ctntfield proje"t contributin:s to th,~
<br />noDi frot! th~ uncentrollei are, b,~ 10.1 -3S w:Js~3sLrn~d in t'13t report.
<br />b. .On 3yst""' Op...r3tioQ. i\ stu-Jy ;;os made of t.h" Tri-L,kes syst.e'n ,Ising"
<br />:JEC-:i mcdel t.o simu13te conditions of \,Iith 3n,j without stor~"e convt'rsion fvr
<br />th~ period 1942 to 19311 ~long with '~han,es in storage ~lloc;;Cions at C1atfi;>ld
<br />gn.-J B=ar Creek. ,nso ccnsider~ was the ~ff~cts of ch;>n,~ing mBximCln 013tfield
<br />r"lp3s"!s fron 5,000 cfs to 3,000 cfs. 111", :naxim:JIn rele~s," r2tes from l3,"ar
<br />Cree.< and Ch'~rry Creek w;>re h",ld const,mt ~t 2,000 cfs 3n,j 5, aoo cfs, resp'~ct-
<br />i'vely. Tn~ s2nsi~ivity of c'1"nnel c'pacit.y constnints fQr ~h~ ::;Ou~n Platte
<br />Riv2r 3"C t/12 H'2nderson ~a!S~ W.:lS also investi~<1tej. The ~!10SS s~:1sitivC? fa~t()r
<br />in tIle op:~raticn of Tri-L31<~.~ projl?cts is C1-? i:npositic~ of ch.:m1~1 con-
<br />straints ,3t. H:m,jerson. 111is bec8'M' evident afCer usin, t;:1r:s'Ct flews cf :;,ocn
<br />~fs, 5,01)0 cfs, ~nd 7,000 cf:; for this loc~tion in trle 'no,jcl. Ie snowed th3t
<br />,~ven for tC'le nonco71version conditio71 the 1942 mount,.,in sno'-ln,elt flcc:j ,'Jould
<br />n3ve "ncn;,"~;1,~d w,"11 into th" up;:J'2r half of tll~ flood pools of C,ptt'i,"Li ond
<br />Be~r Cre~K for eith.~r Chatfield releas~ r~~e if t.h.~ H~'?nd(:r'3o!1 cons-craint ~."oulrl
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<br />havp. b'~"'n3,OOO efs. Tnis d31lons'~r",t,~s th~ ,lmount 0f flood stor8~," thqt is
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<br />r2quin..:~d t.o protec'~ 8~a-inst ~ino!'" o?rosion d:Jrn3ges ,jQl,'J!1strnlrn.
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<br />,; 5,000 cfs
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<br />ccnscr3int 3t H"'l1':lerson 'A0Clhl h~v", ,Hold :JOt,1 1942 m;,xi'!l'Jn pool !cevc,ls or) J nss
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<br />"C.:1an l131f full, :.-J11iG~ is .:Jbout t.h:~ l~"0.l t;la~ '.!culd b2 :~xp~cc2d for t'lis t.yp'~
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<br />of an ~'J2nt..
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<br />Qn._Ml,.J.ey.cl.s.. A,j,jin:>; 22,'100 ,.Ie ft dnd 1;),4'JU AC Ft of "dC2r '3upply
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<br />3tor81P Jt C:13tfield ~n.j B;o-lr Cree~, ("~sp'=ctively, ....JG'Jld obviQusly :t:::lV.: J .31p.;-
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<br />:1ifL~~nt i::1pa~t on th2 cO!1/ers:~r..lc!1 pJol lev.::1 ~: ~~C;l prcject.. Ac C:1Jtfi.-:l.J,
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<br />i"l, ~.,rould irJ~re.::ls:~ t.n? cons2r\fr:t.ion pocl el'~'''ntion frc:n ::;q32 to ~~45.2; '.';!li12
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<br />~t [3.~;.Jr Cr~e!': it ~'lculd incr2ds~ ::1~ ~cl fram 555S to :;~1~.5. It. is ;1.:;t knGI,.Jl1
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