@article{fdi:010077054, title = {{P}resent-day subsidence in the {G}anges-{B}rahmaputra-{M}eghna delta : eastern amplification of the {H}olocene sediment loading contribution}, author = {{K}rien, {Y}. and {K}arpytchev, {M}. and {B}allu, {V}. and {B}ecker, {M}. and {G}rall, {C}. and {G}oodbred, {S}. and {C}almant, {S}t{\'e}phane and {S}hum, {C}. {K}. and {K}han, {Z}.}, editor = {}, language = {{ENG}}, abstract = {{T}he subsidence of the {G}anges-{B}rahmaputra-{M}eghna {D}elta ({GBMD}) drastically increases the adverse impacts of coastal flooding and exacerbates the vulnerability of populations from ongoing rapid sea level rise. {W}e focus here on estimating the present-day subsidence rates induced by the loading of sediments continuously deposited within the {GBMD} over the past 11,000 years. {B}y constructing a realistic {GBMD} 3-{D} numerical model with laterally variable mantle and lithospheric structure, we demonstrate for the first time that the presence of the strong {I}ndian {C}raton and the weakened {I}ndo-{B}urma margin results in significant amplification of subsidence driven by sediment loading in the eastern part of the delta, where the population density is the highest (>1,000 habitants per km(2)). {A}lthough uncertainties remain regarding the amplitude of subsidence, the rate estimates (2-3 mm/year) are found to be comparable to the present-day global mean sea level rise.}, keywords = {land subsidence ; sediment loading ; relative sea level rise ; {G}anges-{B}rahmaputra-{M}eghna {D}elta ; {INDE} ; {BANGLADESH} ; {GANGES} {BRAHMAPUTRE} {MEGHNA} {DELTA} ; {BENGALE} {GOLFE}}, booktitle = {}, journal = {{G}eophysical {R}esearch {L}etters}, volume = {46}, numero = {9}, pages = {10764--10772}, ISSN = {0094-8276}, year = {2019}, DOI = {10.1029/2019gl083601}, URL = {https://www.documentation.ird.fr/hor/fdi:010077054}, }