An experimental investigation of rill erosion processes in lateritic upland region: A pilot study

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Eurasian Journal of Soil Science
Volume:5 Issue:2
An experimental investigation of rill erosion processes in lateritic upland region: A pilot study

An experimental investigation of rill erosion processes in lateritic upland region: A pilot study

Authors : Pravat Kumar SHİT, Gouri Sankar Bhunia, Ramkrishna Maiti

Pages : 121-131

Doi:10.18393/ejss.2016.2.121-131

View : 45 | Download : 10

Publication Date : 2016-04-02

Article Type : Research Paper

Abstract :The present paper is based on field investigation and measurement of rill erosion processes at Rangamati Experimental Station insert ignore into journalissuearticles values(Medinipur, West Bengal in India);. In rill experiments, three different natural rills were studies in field for understanding of the dynamics of soil erosion processes of a rill catchment area. Geometric and morphological characteristics of each rill catchment area were analyzed. Results showed the widening, deepening and extended of rills because of sidewall sloughing, knick-points and head-ward erosion during surface runoff process. Progressive increases of rill volume were observed in the upper, middle and lower catchment with the change of time. Rill area has increased by runoff processes of 4.2 % and 6.8 % for Rill-A and Rill-B respectively. These processes are depends on surface coverage, soil texture, slope gradients and runoff velocity.
Keywords : Rills, rill geometry, rill morphology, rill erosion process

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