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Morphodynamic Changes of Bhagirathi River at Murshidabad District Using Geoinformatics

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DOI: 10.4236/jgis.2011.31006    7,394 Downloads   14,721 Views   Citations

ABSTRACT

The channel of Bhagirathi River is the branches off from the Ganga at Nurpur (lower course of the Ganga). Bhagirathi River is one of the main rivers in Murshidabad district. Analyzing the image of the Bhagirathi River in Murshidabad district through the year 1970, 1977, 1990, 2000 and 2006, it is found that significant changed has been occurred in souththern part of the river and less change is found in the middle part which is close to the Berhampore town. Toposheet of the year 1970 is also compared with the image data to observe the change. Water discharge, soil types and transportation of sediment is the major contributing factor of morphological changes like bar or shoal, ox-bow Lake, meander etc. Maximum erosion takes place at Dear Balagachi and after Baidyanathpur. A cut-off has take place at Baidyanathpur in 1984 [1]. It is found from the study that there is a possibility of natural meander cut-off at Dear Balagachi and near Majayampur. The traditional bank protection works, concrete walls, cemented stone and brick, play a significant role in the modification of the hydraulic aspect of the discharge values and in the interference in the water dynamics of erosive and depositional phenomena both upstream and downstream.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

S. Panda and J. Bandyopadhyay, "Morphodynamic Changes of Bhagirathi River at Murshidabad District Using Geoinformatics," Journal of Geographic Information System, Vol. 3 No. 1, 2011, pp. 85-97. doi: 10.4236/jgis.2011.31006.

References

[1] K. Rudra, “Shifting of the Ganga and Land Erosion in West Bengal:A Socio-Ecological Viewpoint,” Centre for Depelop-ment and Environment Policy, IIM, Kolkata, 2006, pp.1-43.
[2] B. K. Gopal, “The Bhagirathi-Hooghly Basin,” Published by R. D. Press, 11/B, Chowringhee Terrace, Calcutta. 1972, pp. 73-74.
[3] S. Savindra, “Geomorphology,” Pub-lished by Prayag Pustak Bhawan, Allahabad, No. 5, 2007.
[4] R. J. Garde, “River Morphology” published by New Age International Publishers, 4835/24, Ansari Road, Daryaganj, New Delhi-110002 (Edition first), 2005, p. 127.
[5] D. How-ard, “Modeling Channel Migration and Flood plain Sedimenta-tion in Meandering Streams,” University of Virginia, Virginia, 1992.
[6] Report on the River Bhagirathi, Hydraulic Study Department Calcutta Port Trust, Berhampore, Vol. I, July 1992-June 1993.

  
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