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Biogeosciences An interactive open-access journal of the European Geosciences Union
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We analyzed GDGT-based proxy temperatures in the polar oceans. In the eastern Fram Strait (79° N), the nutrient distribution may determine the depth habit of Thaumarchaeota and thus the proxy temperature. In the Antarctic Polar Front (50° S), the contribution of Euryarchaeota or the nonlinear correlation between the proxy values and temperatures may cause the warm biases of the proxy temperatures relative to SSTs.
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BG | Articles | Volume 16, issue 11
Biogeosciences, 16, 2247–2268, 2019
https://doi.org/10.5194/bg-16-2247-2019
Biogeosciences, 16, 2247–2268, 2019
https://doi.org/10.5194/bg-16-2247-2019

Research article 04 Jun 2019

Research article | 04 Jun 2019

Seasonality of archaeal lipid flux and GDGT-based thermometry in sinking particles of high-latitude oceans: Fram Strait (79° N) and Antarctic Polar Front (50° S)

Eunmi Park et al.

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Latest update: 17 Jan 2021
Publications Copernicus
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Short summary
We analyzed GDGT-based proxy temperatures in the polar oceans. In the eastern Fram Strait (79° N), the nutrient distribution may determine the depth habit of Thaumarchaeota and thus the proxy temperature. In the Antarctic Polar Front (50° S), the contribution of Euryarchaeota or the nonlinear correlation between the proxy values and temperatures may cause the warm biases of the proxy temperatures relative to SSTs.
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Final-revised paper
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