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<br />... <br /> <br />. <br /> <br />i ~\ <br /> <br />. <br /> <br /> <br />] accuml)]ated ahout J] ncrD feet of water in storaqe since 19~3. <br /> <br />? <br /> <br />Projections of the project generation after 1981 are based <br /> <br />'J on hydrologic records bctlo'cen ]9()(, "nd ]9Bl moc1ifiec1 by the <br /> <br />4 projected futun: ~'ilter dep] ('tions. <br /> <br />~i ^ computer mO(~f~l \-Jas us(~d t.o project capaci ty and energy <br /> <br />G by simUlating reservoir operations on the Colorado River and <br /> <br />7 <br /> <br />its m~jor tributaries. <br /> <br />Fifteen c1ifferent water supply <br /> <br />o sequences, eilch 90 years In length, were selected from the <br /> <br />9 l'yelro]o(Jic recorel, modi fieel by the projected depletions and <br /> <br />]0 us('(l for ~]imuli1tin'J resL'rvoir operations. 1'hese fifteen <br /> <br />1] SNI1.1cnces diff,'r only in t'hAt hycrologlc yeilrs arc assumed to <br /> <br />I;> hav(' occurred In corresponding study years, <br /> <br />In the first <br /> <br />13 sequencl', the hydrology record beginning in 190(, was matched to <br /> <br />14 <br /> <br />thl' study year 1982. <br /> <br />Subsequent sequences arbitrarily lagged <br /> <br />15 the hydro]oglc recorf! by five y"A(f;, such thAt in ~;equence <br /> <br />1 G number two, thf' study year 19(12 WAS matched ~,i th the water year <br /> <br />17 .1 () 1.1. <br /> <br />In s,equence number three, the study YCiH 19112 was <br /> <br />10" matched with wilter year 191(, and ~;o on until the last sequence, <br /> <br />]9 ]9'17. which waS m;,tched ~lit.h the wilter year ]97ri. <br /> <br />7.0 <br /> <br />Now, In orrl"r tlwt each sequence would cont"ln a full '10 <br /> <br />71 yenrs of hydrology, ]00~ w~s assumed to follow 19R1. <br /> <br />;>;> 'fhe <:'stlmate of futllre CH"P energy was taken from the <br /> <br />~] ~v0rn~c of th0 lS ~ilnu}2tions just ~cscribpd. The jagged ~llrVQ <br /> <br />7.~ represents the estimated annual energy at load, assuminq a 7 <br /> <br />25 p,'rcent transmis,;ion ]os". 1'h<:, nott.ed curve represent.s " <br /> <br />19 <br /> <br />fntermollntdin f:ourt Heporters <br />;>ri3":139G <br />