@article{fdi:010076047,
  title = {{M}odulation of equatorial {P}acific sea surface temperature response to westerly wind events by the oceanic background state},
  author = {{P}uy, {M}. and {V}ialard, {J}{\'e}r{\^o}me and {L}engaigne, {M}atthieu and {G}uilyardi, {E}. and {V}oldoire, {A}. and {M}adec, {G}.},
  editor = {},
  language = {{ENG}},
  abstract = {{E}quatorial {P}acific {W}esterly {W}ind {E}vents ({WWE}s) impact {ENSO} evolution through their local and remote oceanic response. {T}his response depends upon the {WWE} properties (duration, intensity, fetch...) but also on the underlying oceanic state. {O}ceanic simulations with an identical idealised western {P}acific {WWE} applied every 3months on seasonally and interannually varying oceanic conditions over the 1980-2012 period allow characterizing and understanding the modulation of the {WWE} response by the oceanic background state. {T}hese simulations reveal that the amplitude of the {S}ea {S}urface {T}emperature ({SST}) response, which can vary by one order of magnitude, is far more sensitive to the oceanic background conditions than the dynamical response to {WWE}s. {T}he amplitude of the surface-flux driven cooling in the western {P}acific is strongly modulated by zonal advection, through interannual variations in the background {SST} zonal gradient. {T}he amplitude of the warming at the warm pool eastern edge is controlled by horizontal advection, and varies as a function of the zonal {SST} gradient and distance between the {WWE} and warm pool eastern edge. {T}he amplitude of the eastern {P}acific warming varies as a function of the background thermocline depth and local winds. {O}verall, only the amplitude of the {WWE}-driven western {P}acific cooling can be clearly related to the phase of {ENSO}, while the {WWE} driven {SST} response in the central and eastern {P}acific is more diverse and less easily related to large-scale properties. {T}he implications of these findings for {ENSO} predictability are discussed.},
  keywords = {{WWE} ; {ENSO} ; {W}ind events ; {O}ceanic background state ; {PACIFIQUE} ; {ZONE} {EQUATORIALE} ; {ZONE} {TROPICALE}},
  booktitle = {},
  journal = {{C}limate {D}ynamics},
  volume = {52},
  numero = {12},
  pages = {7267--7291},
  ISSN = {0930-7575},
  year = {2019},
  DOI = {10.1007/s00382-016-3480-1},
  URL = {https://www.documentation.ird.fr/hor/fdi:010076047},
}