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<br />. <br /> <br />8, StateMod mput tIles retlectmg aggregated reservOir water nghts aggregated mto I U ctasses. <br />9, A memorandum documenting the aggregated reservoirs/stock ponds and their associated <br />characteristics (location, area-capacity, evaporation, decree weighted administration number, target, and <br />end-of-month content). <br /> <br />Task 2.12 <br /> <br />Add Instream Flows <br /> <br />Objective: Add instream flow rights not included in Phase II to the model. <br /> <br />Assumption: Instream flow rights on the main stem and tributaries explicitly modeled in Phase II will <br />have already been included in the Phase II model. This task pertains to instream flow rights on <br />tributaries which have been introduced into the model during Phase Ill. <br /> <br />Approach: <br />1. STATE: Identify all new tributaries that have been added to the model under Task 2.04. Review <br />the CWCB instream flow listing to detennine whether instream flow rights exist on tllese tributaries. It <br />is anticipated that approximately 10 new instream flow water rights would be added to the model under <br />this task. <br />2. RTIWR: Modify the Phase III StateMod input files to incorporate new instream flow reaches. <br />3. STATE: Prepare a brief Task Memorandum describing how the newly added instream flow water <br />. rights are represented in the model. It is expected to be I or 2 pagcs in length, <br /> <br />Deliverables <br />I. List of instream infonnation to be added to Phase II model <br />2. Modified StateMod input files to reflect new instream flows, <br />3. Task Memorandum. <br /> <br />Task 2.13 <br /> <br />Base Flow Generation <br /> <br />Objective: For the White River Basin, generate the base flow hydrology after the inclusion of <br />aggregated irrigation structures, reservoirs/stock ponds, and instream flows, It is assumed for <br />budgeting purposes that most of the aggregated structures will be imposed on the existing base flow <br />network but that 10 additional baseflow points may be added. <br /> <br /> <br />Approach: <br />1. RTIWR: Detennine tributary area, estimate average aerial precipitation, and the precipitation <br />weighted area for each new base flow point (not to exceed 10), These areas will be double <br />planimetered by hand. <br />2. RTIWR: For each new base flow point being added to the network, check to see if a significant <br />stream flow gage (5 years within study period) exists within the tributary and add the gage to the <br />network. This includes filling missing data at the gage location using conunon regression techniques, <br />add the gage to the network and the gage data file. <br />3, RTIWR: Revise the required StateMod input files to include the new base flow points, May <br />require modification to existing Phase II base flow points. <br /> <br />Phase IlIa Scope of Services <br /> <br />1168 <br /> <br />A-16 <br /> <br />Jan 31,1997 <br />