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Swimming in a Sea of Asphalt Stormwater Management in Greenville County May 30 th, 2007 C. Brannon Andersen, Gregory P. Lewis, Weston Dripps, Suresh Muthukrishnan.

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Presentation on theme: "Swimming in a Sea of Asphalt Stormwater Management in Greenville County May 30 th, 2007 C. Brannon Andersen, Gregory P. Lewis, Weston Dripps, Suresh Muthukrishnan."— Presentation transcript:

1 Swimming in a Sea of Asphalt Stormwater Management in Greenville County May 30 th, 2007 C. Brannon Andersen, Gregory P. Lewis, Weston Dripps, Suresh Muthukrishnan

2 Furman University

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8 Land Cover in the Enoree River Basin Muthukrishnan et al (2007)

9 temperature turbidity HYDROSPHERE surface, soil, ground chemistry flow WATERSHED INTEGRITY waste air pollution riparian zone damage habitat loss HUMANS impervious surfaces runoff flooding scouring channelization fishes amphibians BIOSPHERE microbes plants/algae inverts bedrock soil LITHOSPHERE microbes plant roots dust gases ATMOSPHERE rainfall volume chemistry

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12 Urbanization and Stream Discharge

13 Hydrology ImperviousnessForested ET = 40% DI = 25% SI = 25% RO = 10% 35-50% ET = 35% DI = 20% SI = 20% RO = 30% % ET = 30% DI = 5% SI = 10% RO = 55%

14 Floods Flooding Frequency and Intensity Time Discharge Rain Base Flow Storm Flow Rain Time Discharge Base Flow Storm Flow

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16 BY33

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18 Urbanized headwaters: Mountain Creek, Brushy Creek and Rocky Creek Watersheds

19 Land Cover in the Enoree River Basin Muthukrishnan et al (2007)

20 Mountain Creek Watershed Land Cover Map Mountain Creek

21 Mountain Creek Watershed Imperviousness Map

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24 Brushy Creek Land Cover

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26 Brushy Creek Impervious Surface

27 Rocky Creek Landcover

28 Rocky Creek Urbanization

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35 Urbanization and Water Quality

36 Brushy Creek Water Quality

37 r 2 = 0.75 Water Quality andUrbanization r 2 = 0.75 r 2 = 0.81

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