Laserfiche WebLink
<br /> <br />streamflow <br /> <br />The streamflow data used in this report represent severe drought <br />conditions and were determined by examining U.So Geological <br />Survey streamflow records near stream exits at each of the 12 <br />river basinso From these streamflow records the annual <br />dependable streamflow for each point of interest represented the <br />annual streamflow that would occur if the lowest 30 day mean flow <br />of record was extended over a one-year periodo The use of these <br />30-day dependable streamflows was recommended by the Scientific <br />Committee on Water Supply and Demand during the preparation of <br />the 1984 Water Supply and Demand Report and was utilized again <br />in this report for the purpose of consistency. It should be <br />noted that this procedure leads to very conservative annual <br />streamflow estimateso <br /> <br />Selected Results and Computations: <br /> <br />Table 5 shows the annual dependable streamflow, during severe <br />drought conditions. by river basin. stream and UoSo Geological <br />Survey gaging station numbero An example of the computations <br />involved is provided for the Kansas-Lower Republican River Basin, <br />using equation (3). as shown below: <br /> <br />y = a x b. where <br /> <br />( 3 ) <br /> <br />y = the annual dependable streamflow in acre-feet (ioe. the <br />annual streamflow that would occur if the lowest 30 day mean <br />flow of record was extended over a one-year period). <br /> <br />a = the lowest 30 day mean flow of record (cubic feet per second) <br />and <br /> <br />b = 72309045 acre-feet per year (the equivalent of one cubic foot <br />per second). <br /> <br />Hence. the annual dependable streamflow for the Kansas River at <br />Desoto was found using equation (3): <br /> <br />y = 300 x 72309045 <br />= 217,171 ~ 217,000 acre-feeto <br /> <br />22 <br />