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<br />00lG54 <br /> <br />Iteration continues until either potential demand or available supply is <br /> <br />exhausted. The output of the program is a tabulation of recreational ac- <br /> <br />tivity units for the state, by region, season, activity, stream class, <br /> <br />and stream sub-class associated with any given patterns of streamflows. <br /> <br />This tabulation can be compared with that resulting from any other pos- <br /> <br />tulated streamflow pattern, thus permitting a calculation of net differ- <br /> <br />ences, or impacts. A flow diagram of the model is shown in Figure 4. <br /> <br />Figure 4 <br />Diagram of COWRISM Model <br /> <br />Distanc! <br />Decay <br />Functi on <br /> <br />Regional <br />Population <br /> <br />Unff 11 ed <br />Recrea ti on <br />Demand <br /> <br />"I <br /> <br />Recreation <br />Participation <br />Rate ' <br /> <br />:-fax illllm <br />Potential <br />Recreation <br />Demand <br /> <br />Seasonality <br />of Recreation <br />Activity <br /> <br />Recreation <br />Use <br /> <br />S treamfl ow <br />Resoonse <br />Functi on <br /> <br />Regional <br />Stream <br />Mileage <br /> <br />Crowding <br />Response <br />Function <br /> <br />Maximum <br />Potenti a 1 <br />Recreation <br />Supply <br /> <br />Available <br />Recreation <br />Supply <br /> <br /> <br />Unused <br />Recreation <br />Supply <br /> <br />Willingness to pay data are available, so it would be a simple addi- <br /> <br />tlonal step to calculate the monetary value of these differences as, <br /> <br />10 <br />