Articles | Volume 19, issue 7
https://doi.org/10.5194/cp-19-1305-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-19-1305-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Jul 2023
Research article |
| 05 Jul 2023
| 05 Jul 2023
Changing sources and burial of organic carbon in the Chukchi Sea sediments with retreating sea ice over recent centuries
Liang Su
Ocean College, Zhejiang University, Zhoushan 316021, China
Key Laboratory of Marine Ecosystem Dynamics, Second Institute of
Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
Key Laboratory of Marine Ecosystem Dynamics, Second Institute of
Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
Marie-Alexandrine Sicre
LOCEAN, CNRS, Sorbonne Université, Campus Pierre et Marie Curie, Case 100, 4 Place Jussieu, 75032, Paris, France
Youcheng Bai
Key Laboratory of Marine Ecosystem Dynamics, Second Institute of
Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
Ruoshi Zhao
Ocean College, Zhejiang University, Zhoushan 316021, China
Key Laboratory of Marine Ecosystem Dynamics, Second Institute of
Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
Xibing Han
Key Laboratory of Submarine Geosciences, Second Institute of
Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
Zhongqiao Li
Key Laboratory of Marine Ecosystem Dynamics, Second Institute of
Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
Haiyan Jin
Key Laboratory of Marine Ecosystem Dynamics, Second Institute of
Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
State Key Laboratory of Satellite Ocean Environment Dynamics,
Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
Anatolii S. Astakhov
V. I. Il'ichev Pacific Oceanological Institute, Far Eastern Branch of Russian Academy of Sciences, Vladivostok 690041, Russia
Xuefa Shi
Key Laboratory of Marine Geology and Metallogeny, First Institute
of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
Jianfang Chen
CORRESPONDING AUTHOR
Key Laboratory of Marine Ecosystem Dynamics, Second Institute of
Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
State Key Laboratory of Satellite Ocean Environment Dynamics,
Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
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Short summary
We reconstructed sea ice and organic carbon composition variabilities based on biomarkers and carbon stable isotopes in the northern Chukchi Sea, western Arctic Ocean, over the past 200 years. Under permanent ice cover, organic carbon was dominated by land sources transported by sea ice and ocean currents, while local primary productivity was suppressed by light limitation. Since ice retreated in 20th century, organic carbon from primary production gradually overtook the terrestrial component.
We reconstructed sea ice and organic carbon composition variabilities based on biomarkers and...
