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<br />-;'; <br /> <br />-.~. <br /> <br />.. <br /> <br />,. <br />" <br /> <br /> <br />, ,~t <br /> <br />.' <br /> <br />SUGGESTED MODIFICATIONS <br />TO THE FORUM'S SALT ROUTING MODEL <br /> <br />o <br />~ <br />-J <br />W <br /> <br />After completion of the Forum's 1978 Standards revision, <br /> <br />it became apparent that the mathematical model used by the Forum <br /> <br />to estimate future salinities gave results that were too high. <br /> <br />a result, some of the inputs to the mathematical model were in- <br /> <br />vestigated to determine if modifications to the model were needed. <br /> <br />The investigations covered the following model inputs: <br /> <br /> <br />1. Gaged inflow of salt to Lake Powell ~),f~.. ........... <br /> <br />2. Salt Pick-up in Lake Powell c{ J4iV' 08Jn. <br />"OIY. Lv(. <br />3 . ~~i)>j.:-,,(;~ '.. . <br />Bank storage in Lake Powell "" <br />/O/v', , <br />So <br />4. Ungaged tributary inflow of water and salt to the ~-i'O.' <br /> <br />river reach between Lees Ferry and Grand Canyon. <br /> <br />Gaged Inflow to Lake Powell <br /> <br />Inflow to Lake Powell is gaged at four stations. These are: <br /> <br />Colorado River near Cisco, Utah; Green River at Green River, <br /> <br />San Juan River near Bluff, Utah; and San Rafael River near Green <br /> <br />River, Utah. <br /> <br />