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(Article of periodic en Anglais - 2009)

Document title

Sediment characteristics at river confluences : a case study of the Mula-Kas confluence, Maharashtra, India

Authors(s) and Affiliation(s)

UNDE M.G. (1) ; DHAKAL S. (1) ;
(1) Dep. of Geography, B.P.H.E. Society's Ahmednagar College, Maharashtra, INDE

Abstract

This paper examines sediment transfer processes at river junctions, using as a case study the River Kas, a tributary of the River Mula, Godavari basin, Maharashtra. The study uses 4 cross-sections, 2 from upstream tributaries, one in the main confluence zone, and one downstream. Sediment samples are collected from each cross-section and adjacent banks. To understand the tributary impact on the main channel, variations in sand, silt and clay percentages and variations in the shape of sediment particles were recorded. Sediment characteristics between tributary and the main stream reflect both downstream distance from sediment source and the characteristics of the respective transport processes. The distribution of fine material at the tributary mouth suggests that there have been instances in the past where the mainstream flow has dominated the confluence and has led to slack water deposits on the tributary mouth. In this large seasonal river, confluence sedimentology is a joint product of flow variation, confluence morphology and the additional effects of human activity

Source

Article of periodic

published at : Progress in physical geography / ISSN 0309-1333 / CODEN PPGEEC

Editor : Sage Publications, London - ROYAUME-UNI (1977)

Millesime : 2009, vol. 33, no2 [pp. 208-223]

Bibliographic references : 1 p.

Collation : 6 fig., 1 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 14648 A

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1177/0309133309338655

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2009
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