@article{fdi:010072732, title = {{ENSO} atmospheric teleconnections and their response to greenhouse gas forcing}, author = {{Y}eh, {S}. {W}. and {C}ai, {W}. {J}. and {M}in, {S}. {K}. and {M}c{P}haden, {M}. {J}. and {D}ommenget, {D}. and {D}ewitte, {B}oris and {C}ollins, {M}. and {A}shok, {K}. and {A}n, {S}. {I}. and {Y}im, {B}. {Y}. and {K}ug, {J}. {S}.}, editor = {}, language = {{ENG}}, abstract = {{E}l {N}ino and {S}outhern {O}scillation ({ENSO}) is the most prominent year-to-year climate fluctuation on {E}arth, alternating between anomalously warm ({E}l {N}ino) and cold ({L}a {N}ina) sea surface temperature ({SST}) conditions in the tropical {P}acific. {ENSO} exerts its impacts on remote regions of the globe through atmospheric teleconnections, affecting extreme weather events worldwide. {H}owever, these teleconnections are inherently nonlinear and sensitive to {ENSO} {SST} anomaly patterns and amplitudes. {I}n addition, teleconnections are modulated by variability in the oceanic and atmopsheric mean state outside the tropics and by land and sea ice extent. {T}he character of {ENSO} as well as the ocean mean state have changed since the 1990s, which might be due to either natural variability or anthropogenic forcing, or their combined influences. {T}his has resulted in changes in {ENSO} atmospheric teleconnections in terms of precipitation and temperature in various parts of the globe. {I}n addition, changes in {ENSO} teleconnection patterns have affected their predictability and the statistics of extreme events. {H}owever, the short observational record does not allow us to clearly distinguish which changes are robust and which are not. {C}limate models suggest that {ENSO} teleconnections will change because the mean atmospheric circulation will change due to anthropogenic forcing in the 21st century, which is independent of whether {ENSO} properties change or not. {H}owever, future {ENSO} teleconnection changes do not currently show strong intermodel agreement from region to region, highlighting the importance of identifying factors that affect uncertainty in future model projections.}, keywords = {{ENSO} ; ocean mean state ; atmospheric teleconnections ; extreme event ; anthropogenic forcing ; climate models}, booktitle = {}, journal = {{R}eviews of {G}eophysics}, volume = {56}, numero = {1}, pages = {185--206}, ISSN = {8755-1209}, year = {2018}, DOI = {10.1002/2017rg000568}, URL = {https://www.documentation.ird.fr/hor/fdi:010072732}, }