@article{fdi:010062177, title = {{S}ea surface temperature and salinity seasonal changes in the western {S}olomon and {B}ismarck {S}eas}, author = {{D}elcroix, {T}hierry and {R}adenac, {M}arie-{H}{\'e}l{\`e}ne and {C}ravatte, {S}ophie and {A}lory, {G}. and {G}ourdeau, {L}. and {L}{\'e}ger, {F}. and {S}ingh, {A}. and {V}arillon, {D}avid}, editor = {}, language = {{ENG}}, abstract = {{W}e analyze mean and seasonal change of {S}ea {S}urface {T}emperature ({SST}) and {S}alinity ({SSS}) in the {S}olomon and {B}ismarck {S}eas, using 1977-2009 in situ data collected from {V}oluntary {O}bserving {S}hips. {C}ovariability of these two variables with surface wind, altimeter-derived and model-derived horizontal currents, precipitation, and {S}epik {R}iver discharge are examined. {SST} and {SSS} show large annual oscillations in the {S}olomon {S}ea, with the coldest and saltiest waters occurring in {J}uly/{A}ugust mainly due to horizontal advection. {I}n contrast, they show large semiannual oscillations in the {B}ismarck {S}ea. {T}here, the coldest and saltiest waters happen in {J}anuary/{F}ebruary, when the northwest monsoon winds drive coastal upwelling, and in {J}uly/{A}ugust, when the {N}ew {G}uinea {C}oastal {C}urrent advects cold and high-salinity waters from the {S}olomon {S}ea through {V}itiaz {S}trait. {T}he low {SSS} values observed in {A}pril/{M}ay, stuck between the {J}anuary/{F}ebruary and {J}uly/{A}ugust {SSS} maxima, are further enhanced by the {S}epik {R}iver discharge annual maximum. {A} high-resolution model strengthens the conclusions we derive from observations. {T}he impacts of {ENSO} on {SST} and {SSS} are also discussed with, for instance, saltier-than-average and fresher-than-average waters during the 2002-2003 {E}l {N}ino and 2007-2008 {L}a {N}ina, respectively.}, keywords = {{INTERACTION} {OCEAN} {ATMOSPHERE} ; {TEMPERATURE} {DE} {SURFACE} ; {SALINITE} ; {COURANT} {GEOSTROPHIQUE} ; {ADVECTION} {MARINE} ; {UPWELLING} ; {EL} {NINO} ; {PRECIPITATION} ; {VENT} ; {ESTUAIRE} ; {VARIATION} {MENSUELLE} ; {VARIATION} {SAISONNIERE} ; {VARIATION} {ANNUELLE} ; {PACIFIQUE} ; {SALOMON} ; {BISMARCK} ; {PAPOUASIE} {NOUVELLE} {GUINEE}}, booktitle = {}, journal = {{J}ournal of {G}eophysical {R}esearch : {O}ceans}, volume = {119}, numero = {4}, pages = {2642--2657}, ISSN = {2169-9275}, year = {2014}, DOI = {10.1002/2013{JC}009733}, URL = {https://www.documentation.ird.fr/hor/fdi:010062177}, }