Lectures Part 5 Towel Exp Intro

Lectures Part 5 Towel Exp Intro - Dams serve 3 purposes:...

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Dams serve 3 purposes: 1)make money 2)control floods 3)water storage. Dam managers must carefully time the release of water to do these jobs.
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Watersheds (drainage basin, contributing area, source area) are networks of ridges and valleys that accumulate runoff and route it to a single outflow point.
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All rainfall the lands in the watershed (shown in red) and becomes runoff is routed to a single outlet point. outflow point watershed boundary
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All rainfall the lands in the watershed (shown in red) that becomes runoff is routed to a single outlet point. outflow point
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scale collection pan OUT IN Δ S
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scale collection pan OUT IN Δ S
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Towel Hydrograph 0 5 10 15 Paper Towel Watershed Hydrograph grams per minute (gm min -1 ) time since start of rain (minutes) Discharge (L 3 /T)
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0 2 4 6 8 10 12 14 02468 1 0 Towel Hydrograph Discharge (gram/minute) Time (minutes)
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Some Useful Terminology for Today’s Demonstration conservation of mass equation : Input - output = change in storage or I - O = Δ S
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This note was uploaded on 06/03/2011 for the course GEOL 315 taught by Professor Torres during the Spring '11 term at South Carolina.

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Lectures Part 5 Towel Exp Intro - Dams serve 3 purposes:...

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