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by multiplying the total population by a percentage which represents the urban population. The rural <br />population is the difference between total population and urban population. The total annual population <br />is also given a monthly coefficient, allowing the model to adjust for variations in population and water <br />usage throughout the year. Approximate consumption for commercial uses and for public uses is <br />calculated by the model based on the total population of the municipal sub-area. <br />Mineral Resources <br />For each sub-area, the model uses the actual consumptive use due to mineral resources as reported by the <br />USGS in 1996 for the years 1985 and 1990. These data were originally stored for each hydrologic unit <br />and are populated in the database by month. The yearly value from the USGS was distributed evenly <br />throughout the year (i.e. divided by 12). These amounts can be changed by the user in the Edit Scenario <br />Window of the CU Model to a monthly consumptive use if better data is later obtained. <br />Thermal Electric Power <br />For each sub-area, the model uses the actual consumptive use due to thermal electric power as reported <br />by the USGS in 1996 for the years 1985 and 1990. These data were originally stored for each hydrologic <br />unit and are populated in the database by month. The yearly value from the USGS was distributed evenly <br />throughout the year (i.e. divided by 12). These amounts can be changed by the user in the Edit Scenario <br />Window of the CU Model to a monthly consumptive use if better data is later obtained. <br />Fish and Wildlife <br />For each sub-area, the model uses the actual consumptive use entered by the user. No data for this <br />category were reported by the USGS or the USBR for the years 1985 and 1990. <br />Recreation <br />For each sub-area, the model uses the actual consumptive use entered by the user. No data for this <br />category were reported by the USGS or the USBR for the years 1985 and 1990. <br />Exports <br />For each sub-area, the model uses the actual transmountain diversion exports as reported by the State <br />Engineers Office. This amount can be changed by the user in the Edit Scenario Window of the CU Model <br />for individual scenarios. <br />3.0 cunonet DMI Inputs <br />The DMI is passed the name of a control file defining the sub-area and time parameters selected by the <br />user. This file is read by the DMI as it builds the low-level DMI input data structure. Control files have <br />?.ctl? as a suffix. For more information about the ?.ctl? file format, see the man page for cu_ctl. <br />3 <br />11.29.96 2-09-19 IDS/CSU <br />