Braid bar

Braid bars, or mid-channel bars, are river landforms typically present in braided river channels.  These formations have many names, including medial, longitudinal, crescentic, and transverse bars, as well as the more colloquial sandflat.[1]  Braid bars are distinguished from point bars due to their presence in the middle of a flow channel, rather than along a bank of the river channel.

A braided river in Denali National Park, AK, showing a number of braid bars.
  1. ^ Bridge, John S. (1993). "The interaction between channel geometry, water flow, sediment transport and deposition in braided rivers". Geological Society, London, Special Publications. 75 (1): 13–71. Bibcode:1993GSLSP..75...13B. doi:10.1144/gsl.sp.1993.075.01.02. ISSN 0305-8719. S2CID 128753680.