bar
geology
Also known as: gravel bar, sand bar
Learn about this topic in these articles:
beaches
river systems
- In river: Braided channels
…low-water stages by multiple midstream bars of sand or gravel. At high water, many or all bars are submerged, although continuous downcutting or fixation by plants, or both, plus the trapping of sediment may enable some bars to remain above water. A single meandering channel may convert to braiding where…
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