The Ganges-Brahmaputra Delta’s Subsidence Hotspots and Urban Flood Adaptation Finance Mechanisms

恒河—布拉马普特拉河三角洲沉降热点与城市洪涝适应融资机制

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Differential subsidence in the Ganges-Brahmaputra Delta exceeds 15 mm/year in Dhaka’s eastern periphery, outpacing sea-level rise by nearly threefold and accelerating flood frequency.
Urban adaptation finance flows overwhelmingly target structural interventions—elevated roads and concrete embankments—despite evidence that subsidence amplifies their failure risk during monsoon surges.

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