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<br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />Table 6. Drainage Basin Parameters for SWMM. <br /> <br />I <br /> <br />I <br /> <br />Parameter <br /> <br />Boxelder Creek <br /> <br />I <br />I <br /> <br />Cooper Slough <br /> <br />I <br /> <br />SUBCATCHMENT <br /> <br />Slope (foot/foot) <br /> <br />I <br /> <br />Width (feet) <br /> <br />Area (acres) <br /> <br />I <br /> <br />Impervious Area <br />(percent) <br /> <br />I <br /> <br />Roughness (n) <br />(impervious) <br /> <br />I <br /> <br />Roughness (n) <br />(pervious) <br /> <br />I <br /> <br />Depression and Detention <br />(impervious) (inches) <br /> <br />I <br /> <br />Depression and Detention <br />(pervious) (inches) <br /> <br />I <br /> <br />Infiltration Rate <br />(maximum) (inches/hour) <br /> <br />I <br /> <br />Infiltration Rate <br />(minimum) (inches/hour) <br /> <br />Infiltration Decay Rate <br /> <br />I <br /> <br />CHANNEL <br /> <br />Width (feet) <br /> <br />I <br /> <br />Slope (foot/foot) <br /> <br />I <br /> <br />Roughness (n) <br /> <br />0.040 - 0.050 <br /> <br />I <br />II <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />0.0036 - 0.030 <br /> <br />700 - 10,000 <br /> <br />29.8 - 467.3 <br /> <br />2 - B5 <br /> <br />0.013 <br /> <br />0.120 <br /> <br />0.062 <br /> <br />0.2 - 0.3 <br /> <br />1.0 - 5.0 <br /> <br />0.2 - 0.6 <br /> <br />0.001 <br /> <br />I - 350 <br /> <br />0.001 - 0.012 <br /> <br />0.035 - 0.040 <br /> <br />22 <br /> <br />0.0038 - 0.010 <br /> <br />700 - 6,730 <br /> <br />I <br /> <br />99.4 - 1,172 <br /> <br />6 - 90 <br /> <br />I <br /> <br />0.013 <br /> <br />I <br /> <br />0.120 <br /> <br />I <br /> <br />0.062 <br /> <br />I <br /> <br />0.2 - 0.3 <br /> <br />I <br /> <br />0.5 - 1.0 <br /> <br />I <br /> <br />0.3 - 0.75 <br /> <br />0.001 <br /> <br />I <br /> <br />I <br /> <br />8 - 26 <br /> <br />0.0017 - 0.010 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />~ <br />C <br />C <br />00 <br />(j <br /> <br />'0 <br />~ <br />~ <br />> <br />is <br />~Ol <br />C <br /> <br />'" <br />)( <br />UJ <br />'0 <br />~ <br />a <br />" <br />> <br />~ <br /> <br />Ol <br />C <br />.. <br />'" <br />)( <br />UJ <br />"" <br />.. <br />"" <br /> <br /> <br />'" <br />is <br /> <br />.. <br />'0 <br />C <br />8 <br /> <br />'0 <br />~ <br />8- <br />~ ~ <br />00 is <br />~o <br /> <br />'0 <br />~ <br />"- <br />a <br />" <br />> <br />" <br />0> <br />'0 <br />C <br />00 <br />Ol <br />C <br />.. <br />'" <br />)( <br />w <br /> <br />.: <br /> <br />Ol <br />C <br />.. <br />'" <br />x <br /> <br /> <br />5 <br />~ <br /> <br />"" <br />Ol <br />8 <br /> <br />V> <br />L. <br />" <br />"- <br />a <br />8 <br /> <br />'0 <br />" <br />8- <br /> <br />L. <br />a <br />~ <br /> <br />" <br />> <br />is <br />o <br /> <br />'" <br />~ <br />u <br />.: <br />'" <br />! 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