A better estimate of water-level rise in the Ganges delta

The Ganges-Brahmaputra-Meghna delta as seen from the European Space Agency (ESA)

The Ganges-Brahmaputra-Meghna delta as seen from the European Space Agency (ESA) Envisat satellite. The image was taken on November 8, 2003 and covers an area of around 633 x 630 km with a spatial resolution of 300 m. © ESA, CC BY-SA 3.0 IGO www.esa.int/ESA_Multimedia/Images/2005/03/The_Bangladesh_coastline_seen_by_Envisat

For the first time, scientists have provided reliable regional estimates of land subsidence and water-level rise in the Ganges-Brahmaputra-Meghna delta. Depending on the region of the delta, water-level rise could reach 85 to 140 cm by 2100. The work, published in PNAS on 6 January 2020 by researchers from the CNRS, IRD, BRGM, La Rochelle Université, Université des Antilles and Bangladesh University of Engineering and Technology 1 , should provide input for future impact studies and adaptation plans.


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