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Last modified
1/25/2010 7:08:52 PM
Creation date
10/5/2006 2:13:36 AM
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Template:
Floodplain Documents
County
Statewide
Community
State of Colorado
Basin
Statewide
Title
Urban Storm Runoff Inlet Hydrograph Study - Volume 4
Date
5/1/1975
Prepared By
Cheng-lung Chen
Floodplain - Doc Type
Flood Mitigation/Flood Warning/Watershed Restoration
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<br />rlO.1 = <br />av <br />(10,24 = <br /> av <br />r1OO.1 = <br /> av <br />T = <br />te = <br />td = <br />ti = <br />to = <br />t. = <br />t~ = <br />X = <br /> <br />'Y <br /> <br />T <br /> <br />lO.year I-hour average rainfall intensity in inches per hour <br /> <br />lO-year 24-hour average rainfall intensity in inches per hour <br /> <br />lOO.year l.hour average rainfall in tensity in inches per hour <br /> <br />return period in years <br /> <br />time of concentration <br /> <br />time duration of rainfall in minutes <br /> <br />j-th data point for time in minutes <br /> <br />normalizing (reference) time <br /> <br />normalized time <br /> <br />j.th data point for time duration in minutes <br /> <br />exponent; ratio of l00-year to corresponding lO-year intensity for the same <br />duration <br /> <br />= <br /> <br />storm pattern skewness. Le,. the ratio of the time before the peak to the total <br />time duration <br /> <br />= <br /> <br />integration variable for time <br /> <br />xiv <br />
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