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MODEL VALIDATION 21 <br />Hydrology Model <br />Start <br />I Monte Carlo I <br />iteration <br />GVWUA PDF <br />Maximum GHC ~~ MCID PDF <br />diversion OMID PDF <br />PID PDF <br />Q after GHC <br />Residual PDF <br />Q at Plateau Creek I ~~ I NLR equation <br />near Cameo gage <br />Model Input <br />Pump rate (cfs) <br />Pumping period 1: begin (day), end (day) <br />Pumping period 2: begin (day), end (day) <br />GVIC senior WR (cfs) <br />GVIC junior WR (cfs) <br />Minimum flow at Colorado River near Palisade gage (cfs) <br />Maximum return flow at OMID check <br />Maximum allowable diversion at GVIC <br />Note: all input based on daily values; <br />GHC Government Highline Canal <br />GVIC Grand Valley Irrigation Canal <br />GVWUA Grand Valley Water Users Association <br />MCID Mesa County Irrigation District <br />NLR Nonlinear regression <br />OMID Orchard Mesa Irrigation District <br />PID Palisade Irrigation Districtt <br />PDF Probability Density Function <br />O Streamflow <br />WR water right <br />Actual return flow <br />at OMID check = 0 <br />Colorado River <br />O before GVIC <br />~ Maximum GVIC ~ <br />Diversion: 0 for 1/1- 3/31 <br />J and 11/7 - 12/32; <br /> PDF for 4/1 - 11/6 <br /> No <br /> aximum <br /> VIC diversion <br /> =0 <br /> No <br /> Yes <br /> Senior+Junior WR <br /> < Q after Plateau <br /> Creek <br /> No <br />Actual return flow Yes <br />at OMID =Maximum enior+Junior W <br />return flow OMID < O after Plateau <br /> Creek + maximum <br /> OMID return flow <br /> <br />Actual return flow <br />at OMID = No <br />(Senior +Junior WR) <br />- O after Plateau Creek <br />Confluence <br />OMID return <br />flow PDF <br />Figure 15. Flow chart of the stochastic hydrology model. <br />