Hydrogen isotopic ratios of long-chain diols reflect salinity

Lattaud, J.; Erdem, Z.; Weiss, G.M.; Rush, D.; Balzano, S.; Chivall, D.; van der Meer, M.T.J.; Hopmans, E.C.; Sinninghe Damsté, J.S; Schouten, S.

doi:/10.1016/j.orggeochem.2019.103904

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Hydrogen isotopic ratios of long-chain diols reflect salinity

Lattaud, J.; Erdem, Z.; Weiss, G.M.; Rush, D.; Balzano, S.; Chivall, D.; van der Meer, M.T.J.; Hopmans, E.C.; Sinninghe Damsté, J.S; Schouten, S. (2019). Hydrogen isotopic ratios of long-chain diols reflect salinity. Org. Geochem. 137: 103904. https://dx.doi.org/10.1016/j.orggeochem.2019.103904

In: Organic Geochemistry. Elsevier: Oxford; New York. ISSN 0146-6380; e-ISSN 1873-5290, more

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Author keywords

Hydrogen isotopes; Long-chain diols; Salinity; Preparative HPLC

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Lattaud, J., more Erdem, Z., more Weiss, G.M., more Rush, D., more	Balzano, S., more Chivall, D., more van der Meer, M.T.J., more	Hopmans, E.C., more Sinninghe Damsté, J.S, more Schouten, S., more

Abstract

Long-chain diols (LCDs) are ubiquitous lipids produced by freshwater and marine algae. A combination of semi-preparative high performance liquid chromatography and gas chromatography isotope ratio monitoring mass spectrometry, allowed the measurement of δ²H of individual LCDs from cultures, which indicated a correlation with the hydrogen isotope composition of the growth water and a species-specific effect. Results from environmental samples along a salinity gradient indicated the potential of δ2H ratios of LCDs to trace the hydrogen isotopic composition of water and sea surface salinity.

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