5 3 years discharge m3s velocity depth width

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Unformatted text preview: the faucet Put the hose into a sprinkler All of the above increase the discharge PrecipitaAon and Surface Runoff §༊  §༊  Some precipita=on flows as surface runoff during torren=al rainfall Ability of ground to absorb rainwater depends on §༊  §༊  §༊  §༊  §༊  Rate of precipita=on Permeability of soil Extent of prior satura=on Whether ground is frozen Some regions more prone to heavy rainfall §༊  §༊  Weather paAerns: major storm systems Higher eleva=ons and heavy snowfall Low Flow Bankfull Flow Every 1.5- 3 years + Discharge (m3/s) + Velocity + Depth (+ Width) Channel Scour Normal flow & (frequent) small floods do NOT change channel Humid: Typical annual flow Semiarid: Infrequent, large floods velocity à༎ fric=onal drag on boAom à༎ erosion Channel Changes during Flooding San Juan River, Utah Natural Levees Fig. 11-18, p. 327 Natural Levees Mississippi Del...
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This note was uploaded on 01/16/2014 for the course CSE 132 taught by Professor Lang during the Winter '08 term at UC Irvine.

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