i have to find peak discharge and inflow hydrograph while i have 500 year return period rain fall which is 10.14 in. my catchment area is 32.43 mi^2. curve number is 85. time of concentration is 1.22 hr. my question is how to find inflow hydrograph in HEC HMS while i have these data?? and how to distribute rain fall is scs type 2 method i use?
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