Rivers_flooding_1

Rivers_flooding_1 - Rivers and Flooding Missouri River at...

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Missouri River at Jefferson City, MO Rivers and Flooding Rivers and Flooding
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Hydrologic Cycle – Surface Water and Groundwater Groundwater
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Reservoirs for Earth’s Water Reservoir % of total % of fresh Residence water unfrozen time Oceans 97.2 0 1,000s yrs Ice caps/glaciers 2.2 0 10,000s yrs Groundwater 0.3 99 100s yrs Rivers/streams 0.0001 <<1 2 weeks Lakes 0.009 1 10s yrs Atmosphere 0.001 <<1 9 days p. 384 (4 th ed.) p. 323 (3 rd ed.)
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Rivers and Streams Important processes and consequences: Transport and storage of water (hydrologic cycle) Erosion, transport, and deposition of sediment Sculpting of the landscape Erosion (lowering) of the continents
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River System network of channels and tributaries within drainage basin Drainage basin Tributaries Surface runoff begins as sheetflow
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Mississippi River Drainage Basin
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Longitudinal Profile Base level Channel parameters Width (W) Depth (D) Gradient (or slope) W D Δ y Δ x Flow parameter Velocity (V)
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Volume of water moving past a particular location in a river channel per unit time Also called streamflow What determines discharge? Q = W x D x V
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This note was uploaded on 05/13/2011 for the course GEO 101 taught by Professor Hanson during the Spring '08 term at SUNY Stony Brook.

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Rivers_flooding_1 - Rivers and Flooding Missouri River at...

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