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, I, I o I' rJ.' I r I ~ ilj I I , I, ,\ I J) I i ~ " fO L '" . Table 2.6, Water budget model variable names '\ Name ABO CEO SCL WCD MCD LCD SED SCP UP1 UP2 rID UNO GUN UNC UG1, UG2 HFY DIV -) REM ASP SCG SCU UN1 UN2 UN3 URM Variable description Modeled demands AB Lateral Cedar Creek Wasteway South Canal losses West Canal Montrose & Delta Canal Loutzenhizer Canal Selig Canal South Canal laterals Non-UVRP, South Canal to Colona Non-UVRP, South Canal to Selig Total irrigation demands Irrigation demands along Uncompahgre River Modeled supplies Gunnison River above Tunnel Uncompahgre River below Co7ona Uncompahgre return flows Horsefly Creek Computational nodes Flows diverted through the Gunnison Tunnel Flows remaining in the river below Tunnel flows diverted to the proposed facility Flows passing the South Canal rating cable Flows entering Uncompahgre from South Canal Flows in Uncompahgre above M&O Canal Flows in Uncompahgre above Loutzenhizer Can a Flows in Uncompahgre below Loutzenhi zer Canal Flows in Uncompahgre below Selig/Cedar Creek For th i s study, iir:.Viil~tJi1ie;dT.lMt::-nO':cipebti:oi:1aClf.:..chahge~::WOliril3:i~biJ\ ~mp.6 sed,: on,' .the' As pi.li a.l:15O!1ni t :16< mee t . .now d emarids'1(j'fi'Zt li'eClprci po-s ed~:~J'a t:iJ:i.(~. Mean monthly flows provided by ,Reclamation and WAPA are srown in Appendix A. Operation of the new Ridgway Resrvoir will tend to ~egulate flows in the Uncompahgre Ri ver. Thi s regul at i on is not refl ecte in ,the sel ected period of study. Consequently, operations studies performed by Reclamation to simulate flows at the Colona gauge were used f r this study to incorporate the effects of this reservoir. As with Aspin 11, t.ne AB Lateral facility would impose no operational changes on Ridgway R servoir. It has been assumed that the UVRP would not place a call on the Uncompahgre River using its senior water rights of the West, M&D, and Loutzenhizer diversions if the Gunnison Tunnel was diverting water in excess of UV~P irrigation demands, including UVRP diversions downstream of the proposed tailrace. I Daily data for, canal and lateral demands were provided by the UVWUA. These data were SUbsequently reduced to mean monthly values for each canal - 2.16 - " " " -.. I .,:' '." '