@article{PAR00000890, title = {{A} high-resolution investigation of temperature, salinity, and upwelling activity proxies in corals - art. no. {Q}03013}, author = {{O}urbak, {T}imoth{\'e}e and {C}orr{\`e}ge, {T}hierry and {M}alaiz{\'e}, {B}. and {L}e {C}ornec, {F}lorence and {C}harlier, {K}. and {P}eypouquet, {J}. {P}.}, editor = {}, language = {{ENG}}, abstract = {{W}e present a high-resolution study of five geochemical components of a {N}ew {C}aledonia coral core. {M}inor and trace elements ({S}r/{C}a, {U}/{C}a, {M}g/{C}a, {B}a/{C}a), together with oxygen isotopes (delta {O}-18), were investigated at near-fortnightly resolution. {G}eochemical measurements were compared to sea surface temperature ({SSTTSG}) and salinity ({SSSTSG}) recorded by a thermosalinograph ({TSG}) located less than 10 m from the coral. {R}esults show that {S}r/{C}a, {M}g/{C}a, and delta {O}-18 are temperature-dependent ( correlation coefficient to local {SSTTSG} between 0.74 and 0.84). {T}heir robustness as {SST} tracers is tested against a satellite-based data set for a 4 year validation period. {U}/{C}a has a more complex behavior and appears to be linked to both {SSTTSG} and {SSSTSG}, despite relatively small local {SSS} variations. {F}or the first time this salinity-related imprint is quantified in a {U}/{C}a coralline ratio. {I}n addition to {SST} and {SSS} tracers, {B}a/{C}a measurements provide a possible way to investigate upwelling activity occurrences.}, keywords = {corals ; geochemical tracers ; calibration ; sea surface salinity ; upwelling ; climate and interannual variability ; paleoceanography : corals ; paleoceanography : geochemical tracers ; paleoceanography : sea surface temperature}, booktitle = {}, journal = {{G}eochemistry {G}eophysics {G}eosystems}, volume = {7}, numero = {}, pages = {{NIL}_95--{NIL}_107}, ISSN = {1525-2027}, year = {2006}, DOI = {10.1029/2005{GC}001064}, URL = {https://www.documentation.ird.fr/hor/{PAR}00000890}, }