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Last modified
11/23/2009 12:50:35 PM
Creation date
5/15/2007 10:43:00 AM
Metadata
Fields
Template:
Floodplain Documents
County
Statewide
Stream Name
Colorado River
Title
Colorado River Basin Probable Maximum Floods, Hoover and Glen Canyon Dams
Date
9/1/1990
Prepared By
US Department of the Interior Bureau of Reclaimation
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br /> <br />Basin-IO <br /> <br />Area <br />(sq. mL) <br /> <br />L <br />(mL) <br /> <br />L.. <br />(mL) <br /> <br />Basins south of tIte Colorado River <br /> <br />W <br />N <br /> <br />51002 <br />51004 <br />51005 <br />51007 <br />51014 <br />52001 <br />52002 <br />52003 <br />52004 <br />52005 <br />52006 <br />52007 <br />52008 <br /> <br />52009 <br />52010 <br />52011 <br />52012 <br />52013 <br />52014 <br />52015 <br />52016 <br />52017 <br />52018 <br /> <br />2507 <br />2910 <br />2700 <br />172 <br />639.6 <br />785.9 <br />1570 <br />2210 <br />2720 <br />935.9 <br />1898 <br />1097 <br /> <br />146.85 <br />99.11 <br />51. 84 <br />16.45 <br />56.61 <br />41. 63 <br />92.61 <br />91. 80 <br />99.17 <br />56.47 <br />74.36 <br />67.09 <br /> <br />2434 139.88 <br /> <br />792.7 89.16 <br />831.9 69.43 <br />1617 117.31 <br />865 108.31 <br />1068 84.75 <br />1052 66.95 <br />1188 66.52 <br />2378 109.47 <br />741.3 101.52 <br />2617 93.98 <br /> <br />56.18 <br />49.65 <br />1.54 <br />11.75 <br />28.27 <br />19.66 <br />39.96 <br />53.57 <br />64.13 <br />28.66 <br />30.24 <br />35.43 <br />71.28 <br />46.11 <br />37.31 <br />66.07 <br />55.72 <br />48.90 <br />33.89 <br />58.05 <br />48.06 <br />50.38 <br />39.40 <br /> <br />Basins north of the Colorado River <br /> <br />47007 <br />51001 <br />51003 <br />51006 <br />51008 <br />51009 <br />51010 <br /> <br />1636 <br />1420 <br />2323 <br />909.5 <br />2129 <br />1656 <br />2010 <br /> <br />82.7 <br />93.51 <br />93.02 <br />44.30 <br />80.53 <br />61. 02 <br />91.44 <br /> <br />37.61 <br />46.31 <br />44.77 <br />18.71 <br />28.47 <br />41.47 <br />50.77 <br /> <br />Max-elev <br />(ft. ) <br /> <br />8800 <br />6700 <br />6200 <br />3000 <br />4000 <br />8400 <br />8200 <br />9000 <br />8400 <br />7400 <br />8000 <br />6800 <br />7500 <br />7600 <br />7500 <br />8000 <br />7800 <br />7700 <br />7300 <br />8000 <br />9000 <br />7300 <br />7600 <br /> <br />10000 <br />6000 <br />8200 <br />6800 <br />7600 <br />5600 <br />6000 <br /> <br />Table 3.1.--Basin parameter data <br /> <br />Min-elev <br />(ft.) <br /> <br />Slope <br />(ft .ImL) <br /> <br />Lake Mead sub-basin data <br /> <br />4000- <br /><4000 ft. 5500 ft. <br /> <br />Percent of basin in elevation interval <br /> <br />>7000ft <br /> <br />1221 <br />1600 <br />1221 <br />1221 <br />1221 <br /> <br />6000 <br /> <br />5100 <br />5500 <br />5400 <br />5300 <br />5900 <br />5100 <br />4600 <br />5100 <br />5000 <br />4900 <br />4700 <br />5000 <br />5000 <br />4700 <br />2800 <br />4400 <br />4100 <br /> <br />3100 <br />2600 <br />1900 <br />1221 <br />2700 <br />2700 <br />1221 <br /> <br />51.61 <br />51.46 <br />96.05 <br />108.15 <br />49.09 <br />57.65 <br />33.47 <br />38.13 <br />30.25 <br />37.19 <br />28.24 <br />25.34 <br />20.73 <br />28.04 <br /> <br />36.01 <br />26.43 <br />28.62 <br />31.86 <br />34.35 <br />49.61 <br />56.64 <br />28.57 <br />37.24 <br /> <br />83.43 <br />36.36 <br />67.73 <br />125.94 <br />60.85 <br />47.53 <br />52.26 <br /> <br />30 <br />5 <br />70 <br />100 <br />90 <br /> <br />30 <br />10 <br />20 <br /> <br />10 <br /> <br />5500- <br />7000 ft. <br /> <br />30 <br />75 <br />10 <br /> <br />5 <br />5 <br /> <br />30 <br />70 <br />50 <br />55 <br />80 <br />60 <br />70 <br />40 <br />60 <br />70 <br />60 <br />65 <br />70 <br />70 <br />60 <br />25 <br />50 <br />60 <br /> <br />C value <br /> <br />10 <br />10 <br /> <br />1.8 <br />2.1 <br />1.2 <br />0.8 <br />0.9 <br />2.4 <br />2.2 <br />2.4 <br />2.3 <br />2.2 <br />2.3 <br />2.1 <br />2.1 <br /> <br />0.19 <br />0.21 <br />0.14 <br />0.10 <br />0.12 <br />0.24 <br />0.22 <br />0.23 <br />0.22 <br />0.21 <br />0.22 <br />0.22 <br />0.23 <br /> <br />0.22 <br /> <br />0.22 <br />0.22 <br />0.22 <br />0.22 <br />0.22 <br />0.22 <br />0.24 <br />0.23 <br />0.22 <br /> <br />0.14 <br />0.13 <br />0.13 <br />0.11 <br />0.12 <br />0.11 <br />0.11 <br /> <br />Loss <br /> <br />Lag <br /> <br />20 <br /> <br />30 <br />50 <br />20 <br />10 <br />20 <br />25 <br />20 <br />25 <br />10 <br />60 <br />40 <br />30 <br /> <br />20 <br />50 <br />50 <br />80 <br />65 <br />80 <br />90 <br /> <br />70 <br />20 <br />30 <br />20 <br />20 <br />20 <br />10 <br /> <br />10 <br />10 <br />10 <br /> <br />10 <br /> <br />70 <br />10 <br />50 <br />40 <br />15 <br />40 <br /> <br />10 <br /> <br />20 <br /> <br />2.2 <br /> <br />17.9 <br />18.5 <br />2.4 <br />2.1 <br />5.5 <br />11.3 <br />18.5 <br />21.3 <br />23.7 <br />14.1 <br />17 .1 <br />16.3 <br />27.0 <br />20.0 <br />16.6 <br />24.8 <br />22.2 <br />19.3 <br />15.5 <br />18.2 <br />18.5 <br />20.7 <br />18.0 <br /> <br />11.2 <br />13.0 <br />11.0 <br />4.1 <br />7.8 <br />7.0 <br />7.6 <br /> <br /> <br />20 <br />20 <br />10 <br />10 <br />5 <br />30 <br />15 <br />10 <br />10 <br /> <br />2.2 <br />2.2 <br />2.2 <br />2.2 <br />2.2 <br />2.3 <br />2.1 <br />2.2 <br />2.2 <br /> <br />20 <br />10 <br /> <br />1.6 <br />1.5 <br />1.4 <br />1.0 <br />1.2 <br />1.0 <br />0.9 <br /> <br />5 <br />
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