3. Each square in the watershed shown indicates 1 ac of land. type A type B type C type D cultivated forest grass reside

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3 Each Square In The Watershed Shown Indicates 1 Ac Of Land Type A Type B Type C Type D Cultivated Forest Grass Reside 1 (53.06 KiB) Viewed 34 times

3. Each square in the watershed shown indicates 1 ac of land. type A type B type C type D cultivated forest grass residential curve numbers land use type A type B type C residential 57 72 81 grass 30 58 71 forest 25 55 70 77 cultivated 62 71 78 81 a. Using the tabulated curve numbers for land used based on soil type, what is the weighted curve number for the entire watershed? b. Calculate the precipitation excess (precipitation that contributes to runoff) in inches and the total runoff volume (ft³) for the Hamden, CT 2-yr, 6-hr storm (2.36 in). soil type EZNI type D 66 78