Coastal Flooding in Asian Megadeltas: Recent Advances, Persistent Challenges, and Call for Actions Amidst Local and Global Changes
Year: 2024
Type: article
Abstract: Asian megadeltas, specifically the Ganges‐Brahmaputra‐Meghna, Irrawaddy, Chao Phraya, Mekong, and Red River deltas host half of the world's deltaic population and are vital for Asian countries' ecosystems and food production. These deltas are extremely vulnerable to global change. Accelerating relative sea‐level rise, combined with rapid socio‐economic development intensifies these vulnerabilities and calls for a comprehensive understanding of current and future coastal flood dynamics. Here we provide a state‐of‐the‐art on the current knowledge and recent advances in quantifying and understanding the drivers of coastal flood‐related hazards in these deltas. We discuss the environmental and physical drivers, including climate influence, hydrology, oceanography, geomorphology, and geophysical processes and how they interact from short to long‐term changes, including during extreme events. We also jointly examine how human disturbances, with catchment interventions, land use changes and resource exploitations, contribute to coastal flooding in the deltas. Through a systems perspective, we characterize the current state of the deltaic systems and provide essential insights for shaping their sustainable future trajectories regarding the multifaceted challenges of coastal flooding.
Source: Reviews of Geophysics
DOI: 10.1029/2024rg000846
Institutions: Centre National de la Recherche Scientifique, LIttoral ENvironnement et Sociétés, La Rochelle Université, University of Cologne, Wageningen University & Research, University of Oxford, Consejo Superior de Investigaciones Científicas, Mediterranean Institute for Advanced Studies, Université Toulouse III - Paul Sabatier, Laboratoire d’Études en Géophysique et Océanographie Spatiales, Institut de Recherche pour le Développement, Université de Toulouse, University of Bristol, Centre de Recherches Pétrographiques et Géochimiques, Université de Lorraine, University of Glasgow, University of Bonn, University of East Anglia, Tyndall Centre, Institute of Arctic and Alpine Research, University of Colorado Boulder
Language: English
Topic: Coastal and Marine Dynamics
Subfield: Earth-Surface Processes
Field: Earth and Planetary Sciences
Domain: Physical Sciences
SDG: Climate action
Open Access status: hybrid
Estimated APC paid: $3,880
Awards: G319574313, Steigendes Meer, sinkendes Land: Bestimmung hochaufgelöster Subsidenzraten für das AyeyarwadyDelta (Myanmar) und Entwicklung dynamischer Anpassungsszenarien für das zunehmende Überschwemmungsrisiko, SFB 1502: Regionaler Klimawandel: Die Rolle von Landnutzung und Wassermanagement, G543954601, G6803667113, G7228238871, Drowning Deltas - Why deltas sink and what to do about it, G8597359628, Deltas undEr gLobal impacT of chAnge
OpenAlex ID: W4405480587