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<br />,~ <br /> <br />QQD436 <br /> <br />I Define the total streamflow at <br />L the upstream gaging sta~~ <br />1:, Indicates I1lcnown <!uanti~ in,"" <br />l. ;~-segroeDt COmpUtBDons <br />/~ I <br />/ '" SS K1 <br />/ Upstream gaging ~ Y , l <br />./ station = station ~ Total streamflow at the <br />~ 071055OO? / I ups1ream gaging stalion = I <br />'---- - . / (station 07105500 diSCharge) <br />'----~ + (total of TRF and native <br />No I return flow discharged at the <br />SS K1 Colorado Springs WWTF). <br />otal streamflow at the upstre;;;]1 <br />gaging station = the daily mean <br />gaging-Sl:aflon discharge. -.J <br /> <br />, <br /> <br />Data query and input. <br /> <br />].-{ PROGRAM START ) <br /> <br />Next stream segment <br /> <br />en <br />w <br />f= <br />f= <br />z <br /><( <br />::> <br />o <br />z <br />3= <br />o <br />z <br />:.:: <br />w <br />z <br />u:: <br />w <br />o <br /> <br />'f <br />, Define the TRF at the I <br />\ upstream gaging station. I <br /> <br />J~--~ <br /> <br />/ , <br />/' '-......__ SS K2 <br />/uPstreamgaglng"~- Yes i- TAFattheupstream l <br /><: station = station gaging station = the TRF <br />SS~K2 ,----07':/NOOO? _ L discharged at the <br />'----~~ Colorado Springs WWTF. I <br /> <br /> <br /> <br />I' TAF at the upstream gaging-] <br />I station = SR_U3 (TRF at ,I <br />the downstream node} I <br />I from the last sub reach <br />l computation of th~ previous i <br />stream segment (1ig. 5), -.J <br /> <br /> <br />Indicates the unknown quanDty <br />tharisCOmpUtedU1lhe <br />stream-segrwmt computt.t.ioM. <br /> <br /> <br />I <br />1 <br /> <br />SS U1 <br /> <br />1- Compute the estimated ,! <br />stream~segment NSF gain or <br />loss, in cubic feet per second <br />per mile = (result from <br />prevIous computation step) / <br />SS_KG (stream-segment ! <br />i~ channel length). ~ <br /> <br />~_S- <br /> <br />lCompute the estimated total <br />NSF loss of gain in the <br />stream segment = SS_K3 <br />(NSF at the upstream statiOn), <br />- the result from the previous <br />computation Slap. J <br /> <br />Compute a revised estimatel <br />of NSF at the downstream <br />gaging station = SS_K5 <br />(total NSF diversion in the I <br />stream segment) + the <br />result from the previous I <br />computation step. I <br />Explanation in text. I <br /> <br />~=t---~ <br /> <br />Compute an initial estimate of <br />NSF at the downstream <br />gaging staf/on = SS_K4 (Iolal <br />streamflow at the downstream <br />Lstation) - SS_K2 (TRF at <br />the upstream station). <br /> <br />Figure 4. Stream-segment computations of the Fountain Creek transit-loss accounting program. <br /> <br />SS K3 <br />~ ,----, <br />IDeline the NSF al Ill" UPSlreaJ <br />gaging station = SS_K1 (total <br />streamflow at the upstream <br />station) - SS_K2 (TRF at <br />the upstream station). <br /> <br />rss-~-t -" <br />Define the total streamflow at <br />the downstream gaging station <br />= the gaging-station diSChaJge.1 <br /> <br />~-~- <br /> <br />I Define the total stream-segment II <br />I NSF diversion = the sum of <br />the diversions for all ditches I <br />L within the stream segment. j <br /> <br />55_KG L <br /> <br />1- Define the stream-segment l <br />l channel length (in miles) = I <br />the sum of the channel <br />lengths for all subreaches <br />within the stream segment. <br /> <br />NSF = Native strea:mflow. <br />TRF = Tr.msmountBill return flow. <br />WVITF = Wastewater-lrealIllenr <br />facility. <br /> <br />10 Descriptions of the Program Changes (1989-97) and a User Manual for 8 Translt-Loss Accounting Program <br />Applied to Fountain Creek S"tween Coloredo Springs end the Arksns.a Rtver, Colorado <br /> <br />~ <br />i= <br />z <br /><( <br />::> <br />o <br />z <br />~ <br />z <br />:.:: <br />z <br />::> <br />w <br />I- <br />::> <br />a.. <br />:::; <br />o <br />t) <br />