Le Bangladesh est une terre de nombreux fleuves. Elle est très sujette aux inondations en raison de sa présence sur le delta du fleuve Brahmaputra (également connu sous le nom de delta du Gange
5184 x 3456 px | 43,9 x 29,3 cm | 17,3 x 11,5 inches | 300dpi
Date de la prise de vue:
7 août 2020
Lieu:
Bangladesh
Informations supplémentaires:
Bangladesh is a land of many rivers. It is very prone to flooding due to being situated on the Brahmaputra River Delta (also known as the Ganges Delta) and the many distributaries flowing into the Bay of Bengal. Due to being part of such a basin and being less than 5 metres above mean sea level, Bangladesh faces the cumulative effects of floods due to water flashing from nearby hills, the accumulation of the inflow of water from upstream catchments, and locally heavy rainfall enhanced by drainage congestion. Bangladesh faces this problem almost every year. Coastal flooding, combined with the bursting of river banks is common, and severely affects the landscape and society of Bangladesh. 80% of Bangladesh is [floodplain], [1] and it has an extensive sea coastline, [2] rendering the nation very much at risk of periodic widespread damage. Whilst more permanent defenses, strengthened with reinforced concrete, are being built, many embankments are composed purely of soil and turf and made by local farmers. Flooding normally occurs during the monsoon season from June to September. The convectional rainfall of the monsoon is added to by relief rainfall caused by the Himalayas. Meltwater from the Himalayas is also a significant input.
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