Pave the Bay Development Company, located in Baltimore,Maryland, has a 59-acre parcel of land it wants to develop into atownhome complex called Oak Ridge Estates. Currently, the parcel isforested, with a small road for access. The estimatedimperviousness of the parcel after development is expected to beclose to 53%. Annual rainfall (P) for Baltimore is 42 inches peryear. Pj is 0.9 because in the Baltimore area, only 90% of rainfallevents produce runoff. This is due to storage of rainfall insurface depressions and evaporation.
?What is thr runoff (R) in acre – feet per year for thepost-devlopment scenarioa above?
20.03
98.5
13.79
72.27
Expert Answer
A
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