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<br />CU <br />model run <br />fo r all <br />s tru c tu re s <br />with GIS <br />acres <br /> <br />Irrigation <br />Demand <br />T S (.ddc) <br /> <br />New historical diversions. <br />Use explicit where <br />possible. For aggregate <br />structures divide summed <br />.ddc time series by the <br />aggregate efficiencies. <br />Result is new .ddh. <br /> <br />Explicit <br />historical <br />diversions <br />(old .ddh) <br /> <br />The consumptive use model will have been run for each agricultural structure in the <br />data set to give an irrigation demand time series at each agricultural diversion <br />structure. This will be done in Task 2.08. The consumptive use model will be used <br />for individual structures that have valid GIS irrigated acreage (including all structures <br />with GIS irrigated acreage that are to be aggregated). <br /> <br />The demandts utility will be updated to generate a historical diversions file (.ddh) <br />containing headgate diversions for each explicitly modeled structure as well as the <br />aggregate structures. However, unlike the Phase II data sets in which each structure <br />always had some type of historical diversion time series (sometimes supplied with the <br />replace() option), aggregate structures will not have historical diversion time series <br />(because ofQAlQC and budget issues). Therefore, to complete the historical <br />diversions time series file, the irrigation demand time series will have to be divided by <br />the aggregate structure efficiency. This efficiency will have been decided on by <br />modelers based on the average basin efficiencies and will be set using the seteff() <br />option to demandts. Structures that are explicitly modeled will have a historical <br />demand time series from the Phase II work or will have a time series regenerated with <br />the -diversions option of demandts. <br /> <br />A report will be generated for aggregate structures showing: <br /> <br />Aggregate ill <br /> <br />Structure <br /> <br />Acres <br />Acres <br />TotalAcres <br /> <br />Crop <br />Crop <br /> <br />AveAnnuallrrDemand <br />..Repeat for each structure... <br /> <br />AggAveAnnuallrrDemand AggTotalAcres <br /> <br />2. Modity the demandts utility to accept a command-line argument to aggregate <br />irrigation demand time series at an aggregate node and produce a headgate demand <br />time series. The command-line syntax will be very similar or the same as the syntax <br />used when performing structure aggregations with watright. This operation is similar <br />to the previous subtask. Aggregate structures will have the same historical diversion <br /> <br />0061 <br /> <br />8 <br />