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REV101481
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REV101481
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Entry Properties
Last modified
8/25/2016 1:12:00 AM
Creation date
11/22/2007 12:45:55 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981010
IBM Index Class Name
Revision
Doc Date
8/1/1986
Doc Name
APPENDIX C EAST PYEATT HYDROLOGIC MODEL
Type & Sequence
HR4
Media Type
D
Archive
No
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Watershed Hydrology and Sedimentology Parameters <br />Watershed: East Pyeatt (1,2,1) <br /> Active Topsoiled 1 Year 2+ Years <br /> Undisturbed Mining 6 Seeded Growth Growth Total <br /> Area Area Area Area Area Area <br />Area (acres) 84.73 0.00 0.00 0.45 107.10 192.28 <br />Curve Number 47 87 86 80 67 64 <br />Runoff (inches) 0.00 0.68 0.63 0.39 0.09 0.05 <br />Runoff Volume (ac-ft) 0.00 0.00 0.00 0.01 0.81 0.82 <br />Horizontal Distance ~ ~ 5750 <br />Vertical Distance 820 <br />Slope (percent) 14.26 <br />Time of Concentration 0.54 <br />K Factor 0.25 0.14 0.25 <br />Lambda <br />Theta <br />LS Factor <br />C Factor 0.01 1.00 0.45 <br />P Factor 1.00 1.00 0.60 <br />CP Factor 0.01 1.00 0.27 <br />0.25 0.25 <br />0.26 0.18 <br />0.60 0.60 <br />0.16 0.11 <br />0.25 <br />3442 <br />8.12 <br />13.78 <br />0.01 <br />0.78 <br />0.07 <br />Unit Hydrograph and Surface Condition: Disturbed. <br />z <br />m <br />y' CRF/jb 8/86 <br />m <br />a <br />00 <br />00 <br />s <br />
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