@article{fdi:010090524,
  title = {{S}ea surface temperature reconstruction in the {P}acific {O}cean using multi-elemental proxy in {P}orites and {D}iploastrea corals : application to {P}alau {A}rchipelago},
  author = {{C}anesi, {M}. and {D}ouville, {E}. and {M}ontagna, {P}. and {B}ordier, {L}. and {C}aquineau, {S}andrine and {P}ons-{B}ranchu, {E}. and {I}wankow, {G}. and {S}tolarski, {J}. and {A}llemand, {D}. and {P}lanes, {S}. and {M}oulin, {C}. and {L}ombard, {F}. and {B}ourdin, {G}. and {T}roubl{\'e}, {R}. and {A}gostini, {S}. and {B}anaigs, {B}. and {B}oissin, {E}. and {B}oss, {E}. and {B}owler, {C}. and de {V}argas, {C}. and {F}lores, {J}. {M}. and {F}orcioli, {D}. and {F}urla, {P}. and {G}ilson, {E}. and {G}aland, {P}. {E}. and {P}esant, {S}. and {S}unagawa, {S}. and {T}homas, {O}. {P}. and {T}hurber, {R}. {V}. and {V}oolstra, {C}. {R}. and {W}incker, {P}. and {Z}occola, {D}. and {R}eynaud, {S}.},
  editor = {},
  language = {{ENG}},
  abstract = {{M}assive reef-building {P}orites corals are commonly studied to obtain long-term reconstructions of past sea surface temperature ({SST}) using temperature-sensitive elemental proxies, such as {S}r/{C}a or {L}i/{M}g ratios. {M}ost recently, a multi-proxy approach combining these two ratios (e.g. {D}'{O}livo et al., 2018) and the {S}r-{U} method ({D}e{C}arlo et al., 2016) have proved to be more robust to reconstruct paleo-temperatures. {T}o date, no study has been carried out on the application of these new approaches on the {D}iploastrea heliopora coral, another massive reef-building genus that can potentially provide longer temperature records. {M}oreover, only a few studies have assessed coral {SST} calibrations at the scale of the {I}ndo-{P}acific basin and compared {SST} reconstructions obtained from two massive coral genera from the same site. {I}n this study, we investigated the elemental composition of the topmost portion of 34 modern tropical {P}orites and 6 {D}iploastrea colonies collected during the {T}ara {P}acific expedition (2016-2018) from various hydrological contexts in the {P}acific {O}cean. {W}e derived and discussed annual {S}r/{C}a, {L}i/{M}g, combined {S}r/{C}a-{L}i/{M}g and {S}r/{C}a-{L}i/{C}a-{M}g/{C}a and {S}r-{U} vs. {SST} calibrations as well as potential intra-colonial and genus specific effects and evaluated the use of these basin-wide calibration equations. {O}verall, multi-ratio and multi-genera {SST} calibrations perform better than single-ratio calibrations and seem to improve temperature reconstructions. {T}hese new {SST} calibrations were applied to two colonies of {P}orites and {D}iploastrea collected from the same site in the {N}orth-{W}est of the {P}alau archipelago located in the western {P}acific {O}cean to evaluate the applicability of universal calibrations based on different proxies and their combination. {C}oral-based {SST} records spanning the last 141 years show decadal changes and recent warming episodes that are related to major {E}l {N}ino {S}outhern {O}scillation events. {H}owever, differences in reconstruction remain between both genera in the long-term trends, amplitudes, and absolute temperatures, depending on which genus or temperature proxy is considered.},
  keywords = {{M}assive tropical corals ; {S}ea {S}urface {T}emperature ; {C}alibrations ; {E}lemental proxies and {SST} reconstructions ; {P}acific {O}cean ; {PACIFIQUE}},
  booktitle = {},
  journal = {{C}hemical {G}eology},
  volume = {645},
  numero = {},
  pages = {121884 [21 p.]},
  ISSN = {0009-2541},
  year = {2024},
  DOI = {10.1016/j.chemgeo.2023.121884},
  URL = {https://www.documentation.ird.fr/hor/fdi:010090524},
}