There is no doubt that dams are the single biggest impediment in ensuring continuous freshwater flow in rivers. Most of India

Research that argues dams have no direct effect on the migration of juvenile salmon is roiling waters in the US Pacific Northwest. The study, published in PLoS Biology, uses a new way to tag fish to compare the heavily dammed Columbia River system
with the free-flowing Fraser River to the north in British Columbia, Canada.

A considerable amount of research has focused on how and when the Tibetan plateau formed in the wake of tectonic convergence between India and Asia1.

The stability of the margins of the Himalayan

Gagan river water at ten different sites in and around Moradabad were collected and analysed quantitatively following standard methods for twenty two physcio-chemical parameters. The estimated values were compared with water quality standards. The river water is found to be severely polluted with reference to these analysed parameters.

This study describes time series analysis of snow-melt, radiation data and energy balance for a seasonal snow cover at Dhundi field station of SASE, which lies in Pir Panjal range of the N