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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 />TABLE 5 <br /> <br />Peak DisCharges at Mouth of Boulder Canyon <br />as a Function of Various Ratios of the 100-year Rainfall <br />and four Antecedent Soil Moisture Conditions <br /> <br /> Peak Flows <br /> For Various Antecedent Moistures8 <br />Percent A B C D <br />100-year Rainfall. inches DTHETA= . 35 DTHETA=.25 DTHETA=.10 DTHETA=O.O <br />Rainfall 6-hr 1-hr 20-min <br /> ,f <br /> \]i <br /> . <br />(1) (2) (3) (4) (5) (6) (7) (8) <br />200 6.08 5.00 2.50 32001 33848 37676 43837 <br />175 5.32 4.38 2.19 25776 27537 31182 37266 <br />150 4.56 3.75 1.88 19745 21378 24866 30715 <br />125 3.80 3.13 1.56 14034 15496 18686 24195 <br />100 3.04 2.50 1.25 8281 9735 12690 17730 <br />90 2.74 2.25 1.13 6094 7428 10350 15174 <br />80 2.43 2.00 1.00 4052 5219 7992 12653 <br />70 2.13 1.75 0.88 2113 3136 5611 10119 <br />60 1.82 1.50 0.75 545 1292 3344 7776 <br />50 1.52 1.25 0.63 56 107 1374 5478 <br /> <br />a A _ soil' moisture at wilting point / Y fi' ( ;, J," i-'. ,,(~ i i) <br />B - soil moisture at(field cafacity t" II C """'(( \" <br />C t 'I elL 'I- ~1C/'D""'G)')~~'''''' <br />- we SOl 7]'v J1 j fJ. (./ ;;.''''IJ~\I'<vC;\ ' ,- [' <br />D - saturated soil (!, C!', ~ 0,.1,,,,,\) <br />
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