A novel approach to calculate braiding of a large alluvial river

Braiding pattern in sixteen reaches of the Brahmaputra river in Assam, India is discussed. A new braiding index has been introduced incorporating a fraction of area covered by sandbars, number of midchannel bars and maximum width of alluvial reach. Braiding parameters calculated using different form...

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Bibliographic Details
Published in:Current science (Bangalore) 2018-09, Vol.115 (6), p.1179-1185
Main Authors: Saikia, Lalit, Mahanta, Chandan, Borah, Suranjana Bhaswati
Format: Article
Language:English
Subjects:
RESEARCH COMMUNICATIONS
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Summary:Braiding pattern in sixteen reaches of the Brahmaputra river in Assam, India is discussed. A new braiding index has been introduced incorporating a fraction of area covered by sandbars, number of midchannel bars and maximum width of alluvial reach. Braiding parameters calculated using different formulae showed similar trend but higher values in 2014 compared to 1973. Increase of braiding in different reaches in 2014 was due to development of more sandbars and distributaries. The new index has shown comparable result with other approaches and better correlation with sinuosity.
ISSN:0011-3891
DOI:10.18520/cs/v115/i6/1179-1185