@article{fdi:010071204, title = {{T}he {S}olomon {S}ea : its circulation, chemistry, geochemistry and biology explored during two oceanographic cruises}, author = {{G}anachaud, {A}lexandre and {C}ravatte, {S}ophie and {S}printall, {J}. and {G}ermineaud, {C}. and {A}lberty, {M}. and {J}eandel, {C}. and {E}ldin, {G}{\'e}rard and {M}etzl, {N}. and {B}onnet, {S}ophie and {B}enavides, {M}. and {H}eimburger, {L}.{E}. and {L}ef{\`e}vre, {J}{\'e}r{\^o}me and {M}ichael, {S}. and {R}esing, {J}. and {Q}u{\'e}rou{\'e}, {F}. and {S}arthou, {G}. and {R}odier, {M}artine and {B}erthelot, {H}. and {B}aurand, {F}ran{\c{c}}ois and {G}relet, {J}acques and {H}asegawa, {T}. and {K}essler, {W}. and {K}ilepak, {M}. and {L}acan, {F}. and {P}rivat, {E}. and {S}end, {U}. and {V}an {B}eek, {P}. and {S}ouhaut, {M}. and {S}onke, {J}.{E}.}, editor = {}, language = {{ENG}}, abstract = {{T}he semi-enclosed {S}olomon {S}ea in the southwestern tropical {P}acific is on the pathway of a major oceanic circuit connecting the subtropics to the equator via energetic western boundary currents. {W}aters transiting through this area replenish the {P}acific {W}arm {P}ool and ultimately feed the equatorial current system, in particular the equatorial undercurrent. {I}n addition to dynamical transformations, water masses undergo nutrient and micronutrient enrichment when coming in contact with the coasts, impacting the productivity of the downstream equatorial region. {B}roadscale observing systems are not well suited for describing the fine-scale currents and water masses properties in the {S}olomon {S}ea, leaving it relatively unexplored. {T}wo multidisciplinary oceanographic cruises were conducted in the {S}olomon {S}ea region, the first in {J}uly-{A}ugust 2012 and the second in {M}arch 2014, by investigators from {F}rance and the {U}nited {S}tates. {T}he experimental approach combined physical, chemical, geochemical and biogeochemical analyses, providing access to a wide range of space and time scales of the circulation. {T}his collection of data allows describing the fine-scale structure of the currents and the water properties, transformations and mixing from the surface to the sill depth in the {S}olomon {S}ea and in the straits connecting it to the equator. {O}cean-margin exchanges were documented through a comprehensive sampling of trace elements and isotopes as efficient tracers of natural fertilization processes. {A}s air chemistry is largely impacted by the regional volcanic plumes, rainwater p{H} was also sampled. {D}initrogen fixation rates were measured and found to be among the highest in the global ocean, highlighting this region as a hot spot of nitrogen fixation. {T}his study provides an overview of the climatic context during both cruises and the physical circulation and water masses properties. {I}t provides a comprehensive description of all measurements made onboard, and presents preliminary results, aiming to serve as a reference for further physical, geochemical and biogeochemical studies.}, keywords = {{PACIFIQUE} ; {SALOMON}}, booktitle = {}, journal = {{E}lementa : {S}cience of the {A}nthropocene}, volume = {5}, numero = {}, pages = {art. no 33 [27 en ligne]}, ISSN = {2325-1026}, year = {2017}, DOI = {10.1525/elementa.221}, URL = {https://www.documentation.ird.fr/hor/fdi:010071204}, }