a 1.4 For a catchment of area 250 km², the estimate of annual precipitation is 900 mm, annual evapotranspiration is 120
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a 1.4 For a catchment of area 250 km², the estimate of annual precipitation is 900 mm, annual evapotranspiration is 120
a 1.4 For a catchment of area 250 km², the estimate of annual precipitation is 900 mm, annual evapotranspiration is 120 mm, and the annual surface runoff is 0.15 km'. Assuming that 40% of the infiltration contributes to the recharge of groundwater, estimate the annual safe withdrawal volume from the groundwater. (Hints: The safe withdrawal limit is equal to the recharge of the groundwater).
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