Articles | Volume 16, issue 2
Research article
01 Apr 2020
Research article |  | 01 Apr 2020

Evidence from giant-clam δ18O of intense El Ninõ–Southern Oscillation-related variability but reduced frequency 3700 years ago

Yue Hu, Xiaoming Sun, Hai Cheng, and Hong Yan


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (12 Dec 2019) by Denis-Didier Rousseau
AR by Xiaoming Sun on behalf of the Authors (13 Dec 2019)  Author's response
ED: Referee Nomination & Report Request started (09 Jan 2020) by Denis-Didier Rousseau
RR by Anonymous Referee #2 (15 Jan 2020)
RR by Anonymous Referee #1 (21 Jan 2020)
ED: Publish subject to minor revisions (review by editor) (29 Jan 2020) by Denis-Didier Rousseau
AR by Xiaoming Sun on behalf of the Authors (06 Feb 2020)  Author's response
ED: Publish subject to technical corrections (20 Feb 2020) by Denis-Didier Rousseau

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Short summary
Tridacna, as the largest marine bivalves, can be used for high-resolution paleoclimate reconstruction in its carbonate skeleton. In this contribution, the modern δ18O shell is suggested to be a proxy for sea surface temperature in the Xisha Islands, South China Sea. Data from a fossil Tridacna (3673 ± 28 BP) indicate a warmer climate and intense ENSO-related variability but reduced ENSO frequency and more extreme El Niño winters compared to modern Tridacna.