Interlaboratory study for coral Sr/Ca and other element/Ca ratio measurements

Ed C. Hathorne, Alex Gagnon, Thomas Felis, Jess Adkins, Ryuji Asami, Wim Boer, Nicolas Caillon, David Case, Kim M. Cobb, Eric Douville, Peter Demenocal, Anton Eisenhauer, Dieter Garbe-Schönberg, Walter Geibert, Steven Goldstein, Konrad Hughen, Mayuri Takeuchi, Hodaka Kawahata, Martin Kölling, Florence L. Cornec & 16 others Braddock K. Linsley, Helen V. McGregor, Paolo Montagna, Intan S. Nurhati, Terrence M. Quinn, Jacek Raddatz, Hélène Rebaubier, Laura Robinson, Aleksey Sadekov, Rob Sherrell, Dan Sinclair, Alexander W. Tudhope, Gangjian Wei, Henri Wong, Henry C. Wu, Chen Feng You

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

The Sr/Ca ratio of coral aragonite is used to reconstruct past sea surface temperature (SST). Twenty-one laboratories took part in an interlaboratory study of coral Sr/Ca measurements. Results show interlaboratory bias can be significant, and in the extreme case could result in a range in SST estimates of 7°C. However, most of the data fall within a narrower range and the Porites coral reference material JCp-1 is now characterized well enough to have a certified Sr/Ca value of 8.838 mmol/mol with an expanded uncertainty of 0.089 mmol/mol following International Association of Geoanalysts (IAG) guidelines. This uncertainty, at the 95% confidence level, equates to 1.5°C for SST estimates using Porites, so is approaching fitness for purpose. The comparable median within laboratory error is

Original languageEnglish
Pages (from-to)3730-3750
Number of pages21
JournalGeochemistry, Geophysics, Geosystems
Volume14
Issue number9
DOIs
Publication statusPublished - Sep 1 2013
Externally publishedYes

Fingerprint

sea surface temperature
coral
aragonite
fitness
Calcium Carbonate
estimates
Temperature
confidence
laboratory
Uncertainty

Keywords

  • coral Sr/Ca ratios

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

Cite this

Hathorne, E. C., Gagnon, A., Felis, T., Adkins, J., Asami, R., Boer, W., ... You, C. F. (2013). Interlaboratory study for coral Sr/Ca and other element/Ca ratio measurements. Geochemistry, Geophysics, Geosystems, 14(9), 3730-3750. https://doi.org/10.1002/ggge.20230

Interlaboratory study for coral Sr/Ca and other element/Ca ratio measurements. / Hathorne, Ed C.; Gagnon, Alex; Felis, Thomas; Adkins, Jess; Asami, Ryuji; Boer, Wim; Caillon, Nicolas; Case, David; Cobb, Kim M.; Douville, Eric; Demenocal, Peter; Eisenhauer, Anton; Garbe-Schönberg, Dieter; Geibert, Walter; Goldstein, Steven; Hughen, Konrad; Takeuchi, Mayuri; Kawahata, Hodaka; Kölling, Martin; Cornec, Florence L.; Linsley, Braddock K.; McGregor, Helen V.; Montagna, Paolo; Nurhati, Intan S.; Quinn, Terrence M.; Raddatz, Jacek; Rebaubier, Hélène; Robinson, Laura; Sadekov, Aleksey; Sherrell, Rob; Sinclair, Dan; Tudhope, Alexander W.; Wei, Gangjian; Wong, Henri; Wu, Henry C.; You, Chen Feng.

In: Geochemistry, Geophysics, Geosystems, Vol. 14, No. 9, 01.09.2013, p. 3730-3750.

Research output: Contribution to journalArticle

Hathorne, EC, Gagnon, A, Felis, T, Adkins, J, Asami, R, Boer, W, Caillon, N, Case, D, Cobb, KM, Douville, E, Demenocal, P, Eisenhauer, A, Garbe-Schönberg, D, Geibert, W, Goldstein, S, Hughen, K, Takeuchi, M, Kawahata, H, Kölling, M, Cornec, FL, Linsley, BK, McGregor, HV, Montagna, P, Nurhati, IS, Quinn, TM, Raddatz, J, Rebaubier, H, Robinson, L, Sadekov, A, Sherrell, R, Sinclair, D, Tudhope, AW, Wei, G, Wong, H, Wu, HC & You, CF 2013, 'Interlaboratory study for coral Sr/Ca and other element/Ca ratio measurements', Geochemistry, Geophysics, Geosystems, vol. 14, no. 9, pp. 3730-3750. https://doi.org/10.1002/ggge.20230
Hathorne, Ed C. ; Gagnon, Alex ; Felis, Thomas ; Adkins, Jess ; Asami, Ryuji ; Boer, Wim ; Caillon, Nicolas ; Case, David ; Cobb, Kim M. ; Douville, Eric ; Demenocal, Peter ; Eisenhauer, Anton ; Garbe-Schönberg, Dieter ; Geibert, Walter ; Goldstein, Steven ; Hughen, Konrad ; Takeuchi, Mayuri ; Kawahata, Hodaka ; Kölling, Martin ; Cornec, Florence L. ; Linsley, Braddock K. ; McGregor, Helen V. ; Montagna, Paolo ; Nurhati, Intan S. ; Quinn, Terrence M. ; Raddatz, Jacek ; Rebaubier, Hélène ; Robinson, Laura ; Sadekov, Aleksey ; Sherrell, Rob ; Sinclair, Dan ; Tudhope, Alexander W. ; Wei, Gangjian ; Wong, Henri ; Wu, Henry C. ; You, Chen Feng. / Interlaboratory study for coral Sr/Ca and other element/Ca ratio measurements. In: Geochemistry, Geophysics, Geosystems. 2013 ; Vol. 14, No. 9. pp. 3730-3750.
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