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<br />'0895 <br />II <br />-- <br />III <br />II <br />.. <br /> <br />1.04 Qtr - 2875 SPb + some portion of 3216 <br /> <br /> <br />in equation A. Notice the coefficient of Qtr is nearly <br />one. If no snowpack occurred dur ing a year, the bulk of Q~r <br />would reach Thatcher. This is because runoff from <br /> <br />thunderstorm events (i.e., mountain rainfall) cannot be used <br /> <br />- <br /> <br />efficiently for irrigation, so consumptive use would be <br />low. Considering the other extreme, if the snow pack was <br />very deep, much less of Qtr would would reach Thatcher since <br />the longer snowmelt hydrograph is more useful for irrigation <br />and, therefore, consumptive use would be high (note negative <br /> <br />coefficient of SPb). <br /> <br />The remaining two terms on the left side of equation B <br />are principally addressed by <br /> <br />4.35 Qvb + remaining portion of 3216 <br /> <br />in equation A. Van Bremer Arroyo flow integrates the <br />rainfall amount, intensity and abstractions into a flow <br />variable. Use of Qvb is the single large improvement over <br />the previously mentioned lengthened record MLR' s due to this <br /> <br />. <br /> <br />integration. Rainfall events on the plains, because of <br />their small areal extent, did not' correlate well. Use <br /> <br />-18- <br />