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<br /> <br />+- <br /> <br />00J534 <br /> <br />Any flows to bank storage occur at the monthly reservoir <br />concentration. These flows are mixed into a bank storage <br />"tank." When reservoir levels decrease, flows come out of <br />bank storage at the average concentration of the bank <br />storage "tank." <br /> <br />A diversion from a reservoir is made at the same concen- <br />tration as the concentration in the reservoir. <br /> <br />10.4 Flow-Weiqhted Averaqes <br /> <br />'" <br /> <br />Salinities at specific locations are often output from the <br />CRSS as flow-weighted averages. A flow-weighted average <br />is an annual average equal to the sum of tons of salt for <br />each mo~th divided by the sum of the monthly flows. This <br />is in contrast to a time-weighted average, which is the <br />average of each month's concentration. The existing stan- <br />dards in the Colorado River Basin are flow-weighted, and <br />flow-weighting gives a better representation of the over- <br />all salt load at a station, especially one which has un- <br />dergone upstream regulation. <br /> <br />81 <br />