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<br />a 11 ; - ('I '-1 <br />U.ludJ <br /> <br />5. The movement of water from the soil reservoir to the zone of saturation <br />(water table) is immediate and without loss. <br />6. Surface water outflow from an area is equal to the runoff from field size <br />areas less losses to evaporation and seepage and occurs within the same <br />month as the rainfall. <br /> <br />STRENGTHS: It is a monthly water budget model that accounts for total <br />precipitation as runoff, infiltration, soil moisture storage, <br />evapotranspiration, or recharge. <br /> <br />WEAKNESSES: The location of effective precipitation stations to the area <br />being modeled usually limits how well it calibrates to the area. <br /> <br />INPUT REQUIREMENTS: Monthly climate data, temperature, precipitation, and <br />solar radiation. Area soil properties data, area cropping patterns, <br />irrigation water use efficiency, and percent of area dryland, well irrigated, <br />and canal irrigated. <br /> <br />OUTPUT PRODUCED: Tables of input data, crop consumptive use, farm delivery or <br />diversion requirement, monthly net ground water recharge, and annual <br />hydrologic water budget from which net recharge or net basin outflow are <br />displayed. <br /> <br />1-11 <br /> <br />III <br />J <br />