Articles | Volume 17, issue 9
https://doi.org/10.5194/bg-17-2521-2020
https://doi.org/10.5194/bg-17-2521-2020
Research article
 | 
12 May 2020
Research article |  | 12 May 2020

Ice formation on lake surfaces in winter causes warm-season bias of lacustrine brGDGT temperature estimates

Jiantao Cao, Zhiguo Rao, Fuxi Shi, and Guodong Jia

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (01 Apr 2020) by Marcel van der Meer
AR by Jiantao Cao on behalf of the Authors (14 Apr 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (15 Apr 2020) by Marcel van der Meer
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Short summary
BrGDGT distribution in Gonghai Lake is different from surrounding soils, and its derived temperature reflects a mean annual lake water temperature (LWT) that is higher than the mean annual air temperature (AT). The higher mean annual LWT is due to ice formation in winter that prevents thermal exchange between lake water and air.
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