@article{fdi:010079467, title = {{A}erosol-forced {AMOC} changes in {CMIP}6 historical simulations}, author = {{M}enary, {M}. {B}. and {R}obson, {J}. and {A}llan, {R}. {P}. and {B}ooth, {B}. {B}. and {C}assou, {C}. and {G}astineau, {G}. and {G}regory, {J}. and {H}odson, {D}. and {J}ones, {C}. and {M}ignot, {J}uliette and {R}inger, {M}. and {S}utton, {R}. and {W}ilcox, {L}. and {Z}hang, {R}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {A}tlantic {M}eridional {O}verturning {C}irculation ({AMOC}) has been, and will continue to be, a key factor in the modulation of climate change both locally and globally. {H}owever, there remains considerable uncertainty in recent {AMOC} evolution. {H}ere, we show that the multimodel mean {AMOC} strengthened by approximately 10% from 1850-1985 in new simulations from the 6th {C}oupled {M}odel {I}ntercomparison {P}roject ({CMIP}6), a larger change than was seen in {CMIP}5. {A}cross the models, the strength of the {AMOC} trend up to 1985 is related to a proxy for the strength of the aerosol forcing. {T}herefore, the multimodel difference is a result of stronger anthropogenic aerosol forcing on average in {CMIP}6 than {CMIP}5, which is primarily due to more models including aerosol-cloud interactions. {H}owever, observational constraints-including a historical sea surface temperature fingerprint and shortwave radiative forcing in recent decades-suggest that anthropogenic forcing and/or the {AMOC} response may be overestimated.}, keywords = {{AMOC} ; {CMIP}6 ; aerosols ; climate change ; historical simulations ; strengthening ; {ATLANTIQUE}}, booktitle = {}, journal = {{G}eophysical {R}esearch {L}etters}, volume = {47}, numero = {14}, pages = {e2020{GL}088166 [10 p.]}, ISSN = {0094-8276}, year = {2020}, DOI = {10.1029/2020gl088166}, URL = {https://www.documentation.ird.fr/hor/fdi:010079467}, }