@article{fdi:010063935, title = {{C}hanges in the {ENSO}/{SPCZ} relationship from past to future climates}, author = {{S}aint-{L}u, {M}. and {B}raconnot, {P}. and {L}eloup, {J}. and {L}engaigne, {M}atthieu and {M}arti, {O}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {S}outh {P}acific {C}onvergence {Z}one ({SPCZ}) is the main climate feature of the {S}outhwest {P}acific. {I}t is characterized by a band of intense convective rainfall extending from the western {P}acific warm pool to {F}rench {P}olynesia. {S}trong precipitation gradients within the {SPCZ} make local hydrologic conditions very sensitive to small displacements of this rainfall band, as those caused by {E}l {N}ino and {L}a {N}ina events. {T}he associated rainfall fluctuations strongly impact the vulnerable {S}outhwest {P}acific countries. {T}hey are recorded in environmental indicators such as corals, used as proxies of past evolution of the {E}l {N}ino/{S}outhem {O}scillation ({ENSO}). {H}ere we analyze a set of paleoclimate and future climate simulations and present evidence that changes in the background tropical state largely control the mean {SPCZ} location. {I}n contrast, changes in the background tropical state do not directly control the interannual variability of the {SPCZ} location. {W}e show that changes in the interannual variability of the {SPCZ} location cannot be directly imputable to changes in the {ENSO} amplitude, or rather the relationship between {ENSO} and the {SPCZ} location varies from one climate to another. {W}e thus demonstrate that the teleconnection mechanisms inferred from the modern climate cannot be directly extrapolated to other climates. {T}his study therefore calls for a cautious interpretation of climate reconstructions from environmental indicators in the {S}outhwest {P}acific with regard to {ENSO} variations.}, keywords = {{SPCZ} ; {ENSO} ; variability ; interannual ; teleconnection ; paleoclimates ; {PACIFIQUE} {SUD}}, booktitle = {}, journal = {{E}arth and {P}lanetary {S}cience {L}etters}, volume = {412}, numero = {}, pages = {18--24}, ISSN = {0012-821{X}}, year = {2015}, DOI = {10.1016/j.epsl.2014.12.033}, URL = {https://www.documentation.ird.fr/hor/fdi:010063935}, }