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International Recovery Platform

Changing Geomorphology of the Kosi River System in the Indian subcontinent

This study seeks to explain changes in the river’s morphology in the light of regional tectonic changes and changing climate in the subcontinent. The methodology adopted includes interpretation of satellite imageries, geological reports, flood reports and topographical maps followed by GIS analysis of the spatial shift of the Kosi river. This occurrence supports our earlier hypothesis that the ongoing changes in the surface water configurations, as evinced through remote sensing imageries within a span of twenty years, are due to active neotectonism and current climate change in the entire Kosi Fan Belt area. It is also indicative of heightened seismicity of northern Bihar Plains

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