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<br />cr: <br />C". <br />L""; <br /> <br />C The computed at-reservoir crop demands for each parcel include 30 percent reuse of unused <br /> <br /> <br />applied irrigation water and 12 percent conveyance losses from reservoir to farm. <br /> <br />In addition to crop demands, the at-reservoir demands due to soil moisture deficit were <br /> <br /> <br />computed for each parcel. The total available water capacity (in inches) of the soil associated <br /> <br /> <br />with each parcel was multiplied by the parcel acreage to obtain the total soil moisture storage <br /> <br /> <br />volume for the parcel. The parcel's at-reservoir soil moisture demand is computed by <br /> <br /> <br />increasing the on-farm soil moisture demand by 12 percent to account for conveyance losses. <br /> <br />The soil moisture demand from a given parcel varies from month to month depending on water <br /> <br /> <br />supply and crop demands. The total monthly water demand from a land parcel is the sum of <br /> <br /> <br />the crop demands plus the soil moisture demand in that month. <br /> <br />Computations in the model follow a specific hierarchy to meet demands with available supply. <br />Parcels which have both Cone and Gurley water available to meet demands are assumed to <br />use Cone water first and then Gurley water, to mirror prevalent actual practice. Stream inflows <br />are first used to meet crop demands and soil moisture demands. If crop and soil moisture <br /> <br />demands are not fully met by stream inflows, water from the parcel owner's storage account will <br /> <br /> <br />be released from the reservoir to attempt to meet those demands. If crop demands cannot be <br /> <br /> <br />fully met by stream inflows and available storage, soil moisture is depleted. Any remaining crop <br /> <br /> <br />demands for that month go unmet and are tabulated as a shortage for that month. The above <br /> <br /> <br />procedure is performed simultaneously for each parcel for a single month at a time, and the <br /> <br /> <br />overall system balance for that month is compiled. <br /> <br />If stream inflows were adequate to meet crop demands and fill up soil moisture storage for a <br /> <br /> <br />parcel for a given month, any remaining stream inflow would be put into storage. Inflows to <br /> <br /> <br />storage in excess of the maximum storage available in a parcel's account are surpluses and the <br /> <br /> <br />parcel owner would either be required to release an equivalent amount from storage, or lease <br /> <br />9 <br />