Coastal & Marine Geology InfoBank

USGS CMG InfoBank: Saltation


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Comment: 08:20 - 08:47 (00:27)

Source: Annenberg/CPB Resources - Earth Revealed - 19. Running Water I: Rivers, Erosion and Deposition

Keywords: "Douglas D. Rhodes", river, stream, "bed load", transportation, discharge, saltation

Our transcription: Smaller particles in transport as bed load, sand grains, for example, stay close to the bed of the stream but aren't in contact continuously.

These particles actually move along in a series of jumps, hopping up into the flow, being pulled forward by the discharge, hitting the bottom, sometimes bouncing up themselves again, or ejecting another particle from the bed of the stream, which jumps up into the flow.

This style of bed load transport is called "saltation."

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U.S. Department of the Interior \| U.S. Geological Survey URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/moviepage/18.01.12.html Page Contact: InfoBank staff Page Last Modified: Fri Sep 18 02:37:49 PDT 2009 (wcs)