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point bar
(redirected from point bars)

   Also found in: Dictionary/thesaurus 0.01 sec.
point bar [′pȯint ‚bär]
(geology)
One of a series of low, arcuate sand and gravel ridges formed on the inside of a growing meander by the gradual addition of accretions. Also known as meander bar.


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We found that you need enough vegetation on the outer bank to slow down erosion and let the bars grow on the inner bank; otherwise, the stream cuts through the point bars and creates a braided river," Braudrick said.
The western extent of this channel can only be mapped on the full stack reflection slice showing accreted meander point bars or early migrating meander loops lying west of the arcuate fault zone.
Output from the CH3D-SED model (Raphelt and Alexander 2001) identifies areas of moderate sediment deposition downriver of point bars and disposal areas (Figure 3).
 
 
 
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