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<br />HPPENDIX A
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<br />.-,.... - ,~..._.---
<br />r':;"_--'-i.~' ;-~~
<br />
<br />KEY TO NETWORK DIAGRAM
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<br />
<br />sts lch f,:>llclw fClrm a Key to Figure 2.1, the Basi:"'1 MCrdel NetwCll'~k.
<br />:f(i~~1~~,,~_-;,.Jhe,,-:mOdel, rJ:et'_wClt;k:~_.lS 'cornpt'i.sed -of 146 nodes arid .571 at'cs. As ,:iSCLlSSe-d -if" Sec-
<br />....-:-...-..~.~,'~.~i.~,.j~::,~-. '~"l-cl-n" -2.3_, C';2.(:_th,e;.2;'_Task"'Mernoy;arldttm(' arcs"- ar'e_-r'th~ crl't ical reatl.lr'es ':.:- '-the
<br />.. .~':.'._~ YJet work;_ rlc!~e~ :;are ':'5 i rnply~'!"pcd y,t s- ~whet'e arcs "-are" ce,rmect ed.
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<br /><::. ;-"';D-i~-:;, ":"
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<br />'~<-;d:~
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<br />.Besides . the _.:Ylcfd,e. .Ylumbers tel wh ich the arc is cC'lYlYlected (the II ft"-Oflla arid "to"
<br />nodes), each. arc has thr"ee pat"ameter'$ elf "f1..lYldamer,tal lfl1pm...ta-nce. 'Tne.ser}?~t.~rl1e':>~-_ ,!:..:;:~,~.
<br />ters' are :the'::-lo...el" :',bound,.:;the .'-.pper bouT,d,' "and the raT,k.The_.l.o...el" bound: .sets-~ ~_'_~'~~.
<br />:,the'.mini"tl1uM"flc'w:,all.:<wed -in.-the arc .arld t-he upper bOlJrld -sets the ma.)(iill(lrl1'fI9~l
<br />allowed in the arc. The rarlk describes- the val;.te placed .e""l a lmit clJ__fl.c~w- jj~'J~_____,____
<br />the iat.c'; . the ;:'fI1odel allc,cates:"-wat,:r 'preferey.t ially to at.cs hayi r,g,_ h i ghe~:__r:arlks ,i(' '
<br />its eff'~r_t tCl. clptimize the water allclcatiCtYI e.f the erltit.e r,etwot.k.
<br />
<br />--, ":~, '\- .
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<br />,
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<br />. ---~ .
<br />....., ~Four. ~:.di"ffet'ent;,:t-ypes~;c.f'- arcs-' at.e used i-rl the basirl m':ldel netwcl!"k,.-' !'-~';~_l.:..w
<br />',-,;,-.~--" ".:;:ar-.cs, demar.d._'.arcs-, decree a.rcs, arid 1 i rlks. All four types -of arcs -hca'v.e___-th_EL:iun-:
<br />.-/~f0b~1##~~:u~~.~_~Ji:p~~~e~~:~:~i'~-S_:.;:d:es~r:--ibed above.. _ The ,di ffererices betweeYI the f61~tf:---t'ypes-"--cif:'
<br />:"";;C'-":arcs'relate-,~p'r;.imarilyto ,coT.venience .of-CRAM iT.put and output. Fe", exarnp:le;dt.
<br />":'~:'~,~~',:-,:. "~.{!:;,--' '~Yliy _ ~Je,?'~~_~~a_l-:-y<t_cl-_,~p~~,?,,:-i_-de' .the--:ll:t_o~I"; -node";.and'-'upper bOUl"ld elf i Ylfl':lw.. arc,s-_.i-r1-,.the'
<br />;yg,;r0m"i:Iel,)i,p'u~;;~la~l4!1;t,...e....'!'_,,!ode, l'jwer be,uT,dj"and' ~raT.k are initialized . interT.al1:y ........'
<br />.t. .... 'by"':tl:le<mod"~~i,,,I<S;'t:onw:the"other'band~'reql\ire fun speci fi cat i OT, -Sf -all 'fun::;" ~ '.~--'
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<br />'\'~'~;~>~~~i~'1~;l~~;ij,;:ft~~~ii~i'\;~:~.>ii"3 "c;",..~. ",-, .... .
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<br />'~;':~~:~;J:t;oftlhe"574~'~Y'-C:$",c'7':rfa,.cs) represenF"i Tif.l ows" 'or' ret'urn 'flo...s; these arcs are
<br />;."". labeled "INFL" on Figure 2.1. IT.flo... arcs force water. fnto the T.et...ork because
<br />c.,;!:"':. their,lowerbOUT,d:is'..s'etCequal' to their upper bound which, iT. turn,.. is'.equal to
<br />'. ,,,,;..;;;;t",,,~,~._ '",' ~,__.___, ,___, __ _ __. "
<br />.",~. a particular_,monthly inf,low <volume.- "fhere are''flO ranks set for inflow arl;s.
<br />,-J:i'fJt:'f;.".~:,7;-~:' '" __'._ ,,~:..,,~. ,.e... ". ' -_'_
<br />"<':l''!,~:;:- ", . ,. . .", _' . "", _ _ _ . _.'
<br />.;~,~.:: . .Demandarcs,of...hich',there are 262 in the net...ork;' ...ithdraw water 'fr6m~th.r.
<br />'~F'~' network. These.arcs are"labeled "DEMN" on Figure 2.1. It is necessary to'_-
<br />..specify the ....from" node; the-upper bound, and the rank of-each-deri1and;'arc~-_-'
<br />'';;'Gener,ally,'...speilking,. the upper':bound refl1!!cts' "the month 1 y demand vo lumec4nlLtne . .,'~
<br />rank reflects, <except in a 1'ew'cases) the water rights priority ot'the.:deliland;':':"'o-",,-,::....
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<br />7__' ~ ,~.-. ".'
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<br />"-'- ,".,-=r~__'
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<br />::~";~.-.-
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<br />There ,are only 3 decree arcs in the network. These are labeled "DECR"'.
<br />'CRAM\autollat:icallykeeps track of. accumulated flows in decre.e. arcs, ,a ~ featur.e'
<br />.which is used to track reservoir storage over the course of~a 'year. -Decree-,arcs
<br />r.equire full 'speci fication of all fundamental arc parameters. Theupperbound
<br />on a decree arc represents the total accumulated flo... which 1's periifitt.ed 'and 'tho>.
<br />rank represents the, priority placed on that flo....
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<br />;"'-.-~-
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<br />Links are the most versatile type of arc in the net...ork. There are 227 of
<br />them, labeled "LINK" on Figure 2.1, in the basin model net...ork. Links can .be
<br />used in place of all other arc types except decree arcs. All fundamental param-'
<br />eters of links must be provided as model input.
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<br />:>
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<br />The fOllo...ing lists describe the essential characteristics of the 1'nflo...s,
<br />~ ,demands, decrees, and linkssho...n on Figure 2.1.
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<br />'';;::'.-0
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<br />......."
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