River sand mining modelling and sustainable practice : the Kangsabati River, India / Raj Kumar Bhattacharya, Nilanjana Das Chatterjee.
Worldwide demand for sand and gravel is increasing daily, as the need for these materials continues to rise, for example in the construction sector, in land filling and for transportation sector based infrastructural projects. This results in over-extraction of sand from channel beds, and hampers th...
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