5.3 Estimate the runoff volume, in mm of depth, from 80 mm of rainfall on a 90-ha watershed during the growing season. Assume antecedent rainfall condition II, 50 ha of row crop contoured with terraces, poor condition, soil group C, and 40 ha of alfalfa, straight, good condition, soil group B. 5.3 Estimate the runoff volume, in mm, m3, and ha·m, for the watershed and conditions in Problem 5.2, except that a 60-mm storm occurred 3 days before the 80-mm rainfall. 5.4 Estimate the runoff volume, in mm, for the watershed and conditions in Problem 5.2, except that no rainfall occurred for 6 days before the 80-mm rainfall. 5.5 Estimate the runoff volume, in mm, for a 24-h, 50-yr return period storm at your location. Assume the watershed conditions in Problem 5.2.
5.3 Estimate the runoff volume, in mm of depth, from 80 mm of rainfall on a 90-ha watershed during the growing season. Assume antecedent rainfall condition II, 50 ha of row crop contoured with terraces, poor condition, soil group C, and 40 ha of alfalfa, straight, good condition, soil group B.
5.3 Estimate the runoff volume, in mm, m3, and ha·m, for the watershed and conditions in Problem 5.2, except that a 60-mm storm occurred 3 days before the 80-mm rainfall.
5.4 Estimate the runoff volume, in mm, for the watershed and conditions in Problem 5.2, except that no rainfall occurred for 6 days before the 80-mm rainfall.
5.5 Estimate the runoff volume, in mm, for a 24-h, 50-yr return period storm at your location. Assume the watershed conditions in Problem 5.2.
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