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point bar

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
point bar
A low, curved ridge of sand and gravel along the inner bank of a meandering stream. Point bars form through the slow accumulation of sediment deposited by the stream when its velocity drops along the inner bank.


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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.
As the delta built out to the south-west constantly, changes in water depth and migration of the distributary channels produced a very complex set of inter-digitating point bar and channel sands with intervening shales and mudstones.
The USPS will now use automated mail processing tools to apply an 11-digit delivery point bar code on every mail for identifying each address.
 
 
 
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