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An aquifer in unconsolidated sediments covers an area of 2 9 5 square miles ( 1 square mile = 6 4 0 acres ) in
An aquifer in unconsolidated sediments covers an area of square miles square mile acres in a valley not unlike the Santa Clara Valley. The specific yield of the aquifer is An acreft is a volume of water one acre in area and foot deep.
a An irrigation district wants to know how much water they can remove from the aquifer in acreft if they lower the water table by Calculate the quantity of water they can remove if they lower the water table by
b The underlying bedrock has a storativity of How far in feet would they have to lower the piezometric surface in that bedrock aquifer to remove one tenth of the volume of water they would be getting out of the valleyfill aquifer which you just calculated
c They plan to use the water to irrigate a crop covering of the valley. The crop has a growing season evapotranspiration rate of inches of water. Will they have enough water to satisfy the water demand of this crop if they lower the water table by and use the water they produce for irrigation?
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