@article{fdi:010065225, title = {{V}ariations of the tropical {A}tlantic and {P}acific {SSS} minimum zones and their relations to the {ITCZ} and {SPCZ} rain bands (1979-2009)}, author = {{T}chilibou, {M}. and {D}elcroix, {T}hierry and {A}lory, {G}a{\¨e}l and {A}rnault, {S}abine and {R}everdin, {G}.}, editor = {}, language = {{ENG}}, abstract = {{T}his study focuses on the time-space variability of the low {S}ea {S}urface {S}alinity ({SSS}) waters extending zonally within 2 degrees {N}-12 degrees {N} in the {A}tlantic and {P}acific and within 6 degrees {S}-16 degrees {S} in the western third of the {P}acific. {T}he analysis is based on a combination of in situ {SSS} observations collected in the last three decades from voluntary observing ships, {TAO}/{TRITON} and {PIRATA} moorings, {A}rgo floats, and (few) {CTD} profiles. {T}he mean latitudes of the {A}tlantic and {P}acific low {SSS} waters appear 18-38 further poleward than the {E}vaporation minus {P}recipitation ({E}-{P}) minima linked to the {I}nter {T}ropical {C}onvergence {Z}ones ({ITCZ}) and {S}outh {P}acific {C}onvergence {Z}one ({SPCZ}). {A}t the seasonal time scale, the {E}-{P} minima migrate poleward in summer hemispheres, leading the migration of the {SSS} minima by 2-3 months in the {A}tlantic {ITCZ}, {P}acific {SPCZ}, and in the eastern part of the {P}acific {ITCZ}. {O}n the other hand, the seasonal displacements of {E}-{P} and {SSS} minima are in antiphase in the central and western parts of the {P}acific {ITCZ}. {A}t the interannual time scale, the {E}-{P} and {SSS} minima migrate poleward during {L}a {N}ina events in the {P}acific and during the positive phase of the {A}tlantic {M}eridional {D}ipole ({AMD}) in the {A}tlantic (and vice versa during {E}l {N}ino and the negative phase of the {AMD}). {W}e further document long-term (1979-2009) meridional migrations of the {E}-{P} and {SSS} minima, especially in the {SPCZ} region, and discuss whether or not they are consistent with documented {SST} and wind stress trends.}, keywords = {{PACIFIQUE} ; {ATLANTIQUE} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{J}ournal of {G}eophysical {R}esearch : {O}ceans}, volume = {120}, numero = {7}, pages = {5090--5100}, ISSN = {2169-9275 ; 2169-9291}, year = {2015}, DOI = {10.1002/2015{JC}010836}, URL = {https://www.documentation.ird.fr/hor/fdi:010065225}, }