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07sf; <br />EXAMPLE 4 <br />RELEASE FROM Twin Lakes RESERVOIR TO Colorado Canal <br />Date of release: 7 -20 -71 Amount of release: 400 ft /s Duration of release: 10 days (240 hours) <br />Flow at Wellsville gaging station prior to release:2 ft /s <br />(Call 539 -6487 for stage, obtain discharge from table 2) <br />Time of travel (fig. 3): 30 hours <br />TRANSPORTATION LOSSES <br />Bank storage (fig. 6) <br />1 <br />2 <br />3 <br />4 <br />5 <br />Average <br />Bank storage <br />Time interval <br />Maximum time Actual time <br />bank storage <br />in time interval <br />(hours) <br />in hours <br />in interval <br />in interval <br />(col. <br />3 x col. 4, <br />(hours) <br />(ft /s) <br />hours x ft /s) <br />0 -1 <br />1 <br />1 <br />235 <br />235 <br />1 -3 <br />2 <br />2 <br />120 <br />240 <br />3 -11 <br />8 <br />8 <br />65 <br />520 <br />11 -21 <br />10 <br />10 <br />40 <br />400 <br />21 -72 <br />51 <br />51 <br />25 <br />1,275 <br />72 -312 <br />240 <br />168 <br />15 <br />2,520 <br />312+ <br />- -- <br />- -- <br />- -- <br />Totals <br />240 <br />5,190 <br />Charge for bank storage loss is 70 percent of column 5 divided by <br />duration of release: <br />15.1 ft 3/S <br />Inadvertent diversions <br />Charge for inadvertent diversion <br />losses (fig. 7): <br />9.0 ft /s <br />Evaporation <br />Surface area increase (fig. 8): <br />30 acres <br />Charge for change in <br />surface area <br />(fig. 9): <br />0.4 ft 3/S <br />Charge for change in <br />river temperature <br />(fig. 10): <br />0 ft /s <br />TOTAL TRANSPORTATION LOSS-------------------------------------------------------------- - - - - - -- <br />24.5 ft /s <br />TOTAL TRANSPORTATION LOSS <br />(percent of release) ------------------------------------------ - - - - -- <br />6.1 <br />DIVERSION SCHEDULES <br />Prior to recession at Colorado Canal <br />1 2 <br />3 <br />4 5 <br />6 7 <br />8 <br />9 <br />Average <br />Channel <br />Average <br />Time Maximum time <br />Release <br />bank storage Inadvertent <br />Evaporation storage <br />Total <br />divertible <br />interval in hours <br />discharge <br />(col. 4 above, diversion <br />(ft /s) (fig. 4, <br />(cols. 4 -7, <br />discharge <br />( hours) <br />(ft /s) <br />ft /s) (ft /s) <br />ft /s <br />ft /s) <br />(ft /s) <br />0 -1 1 <br />400 <br />235 9.0 <br />0.4 315 <br />559 <br />- -- <br />1-3 2 <br />400 <br />120 9.0 <br />.4 215 <br />344 <br />56 <br />3 -11 8 <br />400 <br />65 9.0 <br />.4 100 <br />174 <br />226 <br />11 -21 10 <br />400 <br />40 9.0 <br />.4 30 <br />89 <br />311 <br />21 -72 51 <br />400 <br />25 9.0 <br />.4 0 <br />34 <br />366 <br />72 -312 240 <br />400 <br />15 9.0 <br />.4 - -- <br />24 <br />376 <br />312+ - -- <br />- -- <br />- -- <br />Release arrived at 1230 <br />hours <br />During recession at Colorado Canal <br />Final divertible discharge from column 9 above--------------------------------------------- - - - - -- 376 ft /s <br />Release recession began at 0600 hours <br />Time interval from beginning Average divertible discharge <br />of recession (hours) (fig. 11, ft /s) <br />0 -4 323 <br />4 -8 227 <br />8 -12 142 <br />12 -16 75 <br />16 -22 24 <br />22 -32 0 <br />35 <br />