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<br />L " . :1 j <br /> <br />. <br /> <br />Calculations of 197& Level Depleted Streamflow (Q7&) <br /> <br />For a node basin without a major reservoir: <br /> <br />Q7& = Q <br /> <br />- RH (N78 - Nn) or <br /> <br />the 1978 level depleted streamflow <br />is equal to the historic streamflow adjusted <br />for imports, exports and transfers of water <br />and for the change in depletions over the <br />period, where RH is the historic rate of <br />depletion and N is the unit measurement of <br />the depletors. <br /> <br />= Q _ D7& or in terms of the MBSA database, <br /> <br /> <br />= AA - ~ZL or from the DENU program output category request codes, <br /> <br /> <br />@ =@-@ <br /> <br />For a node basin with a major reservoir, :(ZL includes the effects of major <br />reservoirs found as follows: <br /> <br />. <br /> <br />The 197& level reservoir inflow IL = I - :(ZL or from the DENU <br />progra~out~t c~gory request codes, <br />\0=@J-~ <br /> <br />The calculated IL is then used in the reservoir operation program for the <br />given reservoir and a 197& level ~leted outflow is found. That value is <br />denoted as AL7& (DENU category~' ). <br /> <br />The 1978 level reservoir <br /> <br />depletion OLr = AA - AL7& or in terms <br />of the DEN U program output category request <br />codes <br /> <br />@=@-@ <br /> <br />Category <br />Request <br />Code <br /> <br />Data Type <br /> <br />Data Description <br /> <br />&0 <br /> <br />Modified Level of <br />Depleted Streamflow <br />(Qm*) <br /> <br />Historic streamflow adjusted to a new <br />level of development (available only <br />through the QUER Y program). <br /> <br />* found similar to the 197& level depleted streamflow <br /> <br />. <br /> <br />2-23 <br />