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<br />001276 <br /> <br />1.4 Terminology <br /> <br />check station An inflow sequence point that is <br />used to check salt concentration <br />against allowable values. <br /> <br />Compact The Colorado River Compact (1922). <br />The Compact apportions water to the <br />upper and lower basins. It includes <br />a provision that the upper basin <br />states will not cause the flow of <br />the river at Lee Ferry to be de- <br />pleted below a total of 75 million <br />acre-feet in any consecutive lo-year <br />period. <br /> <br />criteria The criteria for Long-Range Op- <br />eration of Colorado River Reservoirs <br />(1970) proposed by the secretary of <br />the Interior to meet requirements of <br />Section 602(a) of Public Law 90-537. <br />The criteria provides an objective <br />minimum annual release from Lake <br />Powell of 8.23 million acre-feet. <br /> <br />current month (or year) The ~onth or year currently being <br />modeled. <br /> <br />",.--" <br /> <br />demand <br /> <br />A diversion from the river. <br /> <br />demand sequence i.ndex <br /> <br />A ne9~tive sequential number as- <br />signed to each demand in a reach, <br />moving downstream. Numbers begin <br />with -l in each reach. <br /> <br />depletion level <br /> <br />The level of consumptive use, assum- <br />ing no shortage. <br /> <br />hydrology input station <br /> <br />A sequence point where flow and salt <br />data are read from the hydrology in- <br />put file each month, and input to <br />the system as an inflow. <br /> <br />index of the reach <br /> <br />The subscript value that specifies <br />the array location that represents a <br />particular reach. <br /> <br />inflow <br /> <br />A flow of water into the river; <br /> <br />inflow sequence index <br /> <br />A positive sequential number as- <br />signed to each inflow in a reach, <br />moving downstream. Numbers begin <br />with 1 in each reach. <br /> <br />2 <br />