dc.contributor.author | Cheng, L. | |
dc.contributor.author | Normandeau, C. | |
dc.contributor.author | Bowden, R. | |
dc.contributor.author | Doucett, R. | |
dc.contributor.author | Gallagher, B. | |
dc.contributor.author | Gillikin, P. | |
dc.contributor.author | Kumamoto, Y. | |
dc.contributor.author | McKay, J. L. | |
dc.contributor.author | Middlestead, P. | |
dc.contributor.author | Ninnemann, U. | |
dc.contributor.author | Nothaft, D. | |
dc.contributor.author | Dubinina, E. O. | |
dc.contributor.author | Quay, P. | |
dc.contributor.author | Reverdin, G. | |
dc.contributor.author | Shirai, K. | |
dc.contributor.author | Mørkved, P. T. | |
dc.contributor.author | Theiling, B. P. | |
dc.contributor.author | van Geldern, R. | |
dc.contributor.author | Wallace, D. W. R. | |
dc.date.accessioned | 2021-11-04T20:20:09Z | |
dc.date.available | 2021-11-04T20:20:09Z | |
dc.date.issued | 2019 | |
dc.identifier.citation | Cheng, L., Normandeau, C., Bowden, R., Doucett, R., Gallagher, B., Gillikin, D.P., Kumamoto, Y., McKay, J.L., Middlestead, P., Ninnemann, U., Nothaft, D., Dubinina, E.O., Quay, P., Reverdin, G., Shirai, K., Mørkved, P.T., Theiling, B.P., van Geldern, R. and Wallace, D.W.R. (2019) An international intercomparison of stable carbon isotope composition measurements of dissolved inorganic carbon in seawater. Limnology and Oceanography: Methods, 17, pp. 200-209. DOI: https://doi.org/10.1002/lom3.10300 | en_US |
dc.identifier.uri | https://repository.oceanbestpractices.org/handle/11329/1773 | |
dc.description.abstract | We report results of an intercomparison of stable carbon isotope ratio measurements in seawater dissolved inorganic
carbon (δ13C-DIC) which involved 16 participating laboratories from various parts of the world. The intercomparison
involved distribution of samples of a Certified Reference Material for seawater DIC concentration and alkalinity and a
preserved sample of deep seawater collected at 4000 m in the northeastern Atlantic Ocean. The between-lab standard
deviation of reported uncorrected values measured with diverse analytical, detection, and calibration methods was
0.11‰(1σ). The multi-lab average δ13C-DIC value reported for the deep seawater sample was consistent within 0.1‰
with historical measured values for the same water mass. Application of a correction procedure based on a consensus
value for the distributed reference material, improved the between-lab standard deviation to 0.06‰. Themagnitude of
the corrections were similar to those used to correct independent data sets using crossover comparisons, where deep
water analyses from different cruises are compared at nearby locations. Our results demonstrate that the accuracy/
uncertainty target proposed by the Global Ocean Observing System ( 0.05‰) is attainable, but only if an aqueous
phase reference material for δ13C-DIC is made available and used by the measurement community. Our results imply
that existing Certified Reference Materials used for seawater DIC and alkalinity quality control are suitable for this purpose,
if a “Certified” or internally consistent “consensus” value for δ13C-DIC can be assigned to various batches. | en_US |
dc.language.iso | en | en_US |
dc.rights | Attribution 4.0 International | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
dc.subject.other | Stable carbon isotopes | en_US |
dc.subject.other | Dissolved inorganic carbon | en_US |
dc.title | An international intercomparison of stable carbon isotope composition measurements of dissolved inorganic carbon in seawater. | en_US |
dc.type | Journal Contribution | en_US |
dc.description.refereed | Refereed | |
dc.format.pagerange | pp. 200–209 | en_US |
dc.identifier.doi | 10.1002/lom3.10300 | |
dc.subject.parameterDiscipline | Carbon, nitrogen and phosphorus | en_US |
dc.subject.dmProcesses | Data analysis | en_US |
dc.bibliographicCitation.title | Limnology and Oceanography: Methods | en_US |
dc.bibliographicCitation.volume | 17 | en_US |
dc.description.sdg | 14.a | en_US |
dc.description.eov | N/A | en_US |
dc.description.adoption | Multi-organisational | en_US |
obps.contact.contactname | Lin Cheng | |
obps.contact.contactemail | lin.cheng@dal.ca | |
obps.resourceurl.publisher | https://aslopubs.onlinelibrary.wiley.com/doi/full/10.1002/lom3.10300 | |