2014
DOI: 10.7163/gpol.2015.3
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Bed material extraction and its effects on the forms and processes of the lower Balason River in the Darjeeling Himalayas, India

Abstract: High intensity rains bring about landslides and high surface run -off in the upper catchment of the Balason River. Huge quantities of weathered materials as sediment load are being deposited in the river's lower course. The extent and intensity of this bed material extraction have taken such a toll that immediate attention is necessary to reduce the associated effects on the forms and processes of the Balason River's lower course. In this paper, an attempt has been made to closely analyse the prevailing effect… Show more

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Cited by 9 publications
(7 citation statements)
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“…Along with the development of the town of Siliguri as a major transport and trade hub, with its population growing from 33,000 in 1951 to 513,000 in 2011 (Census of India 1951, 2011, the clearance of forest and expansion of settlements to cater for the increasing population has led to increased utilisation of (i.e., pressure on) river ecosystem services. In this process, the water resources from the local rivers have supported the basic needs of the region.…”
Section: Study Areamentioning
confidence: 99%
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“…Along with the development of the town of Siliguri as a major transport and trade hub, with its population growing from 33,000 in 1951 to 513,000 in 2011 (Census of India 1951, 2011, the clearance of forest and expansion of settlements to cater for the increasing population has led to increased utilisation of (i.e., pressure on) river ecosystem services. In this process, the water resources from the local rivers have supported the basic needs of the region.…”
Section: Study Areamentioning
confidence: 99%
“…Besides that, with the growth of settlement and expansion of Siliguri, the demand for construction materials has increased manifold, which has stimulated the extraction of construction materials directly from the river bed and also from the adjoining floodplains and river terraces. River bed material is extracted from almost all of the Himalayan rivers of the region, but the extent of this extraction in the Balason river is one of the largest (Supplementary material Photo 1) (Tamang and Mandal 2015).…”
Section: Study Areamentioning
confidence: 99%
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“…The geomorphological effects of such form of anthropopressure in the above mentioned region have been presented in other scientific studies and the Balason river is one of the best studied rivers in this aspect in the North India, e.g. [27], [28]. Surveys conducted among the local community involved in extracting bed material from the Balason river (Photo 3) showed a significant dependence of the existence of the studied population on the work in the extraction of material, and the extraction will be continued [19].…”
Section: Morphological Consequences Of Human Activity In the River Chmentioning
confidence: 99%