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FLOOD08228
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Last modified
1/25/2010 7:14:00 PM
Creation date
10/5/2006 3:29:11 AM
Metadata
Fields
Template:
Floodplain Documents
County
Boulder
Community
Boulder
Stream Name
Boulder Creek
Basin
South Platte
Title
Urban Drainage and Flood Control District
Date
3/1/1990
Prepared For
Boulder Creek
Prepared By
Goerge V. Sabol
Floodplain - Doc Type
Flood Mitigation/Flood Warning/Watershed Restoration
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />'I <br /> <br />TAllLE 2 <br /> <br />Rainfall Loss Par~eters for Various HEC-1 Runs <br /> <br /> Green-Ampt8 IL+ULRb CN Method <br />Run No. IA XKSAT PSIF DTHETA STRTL CNSTL CN <br />(1) (2) (3) (4) (5) (6) (7) (8) <br />BC1 0.50 0.25 4.3 0.25 <br />BC2 0.35 0.25 4.3 0.25 <br />BC3 0.95 0.25 <br />BC4 0.70 0.25 <br />BC4A 0.05 1.00 <br />BC5 68 <br />BC6 78 <br />BC7 0.35 0.25 4.3 0.25 <br />BC8 0.35 0.25 4.3 0.25 <br />BC9 0.35 0.25 4.3 0.25 <br />BC10 0.35 0.25 4.3 0.25 <br />BC11 0.35 0.25 4.3 0.25 <br /> <br />a <br /> <br />IA = surface retention loss, inches <br />XKSAT = hydraulic conductivity, in/hr <br />PSIF = capillary suction, inches <br />DTHETA ='soil moisture deficit, dimensionless <br /> <br />b <br /> <br />STRTL = initial loss, inches <br />CNSTL = uniform loss rate, in/hr <br />
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