Long-term trend of oceanic surface carbon in the Northwest Pacific from 1958 to 2017

Xuanliang Ji; Fei Chai; Peng Xiu; Guimei Liu

doi:10.1007/s13131-021-1953-5

Volume 41 Issue 5

May 2022

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Xuanliang Ji, Fei Chai, Peng Xiu, Guimei Liu. Long-term trend of oceanic surface carbon in the Northwest Pacific from 1958 to 2017[J]. Acta Oceanologica Sinica, 2022, 41(5): 90-98. doi: 10.1007/s13131-021-1953-5

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Xuanliang Ji, Fei Chai, Peng Xiu, Guimei Liu. Long-term trend of oceanic surface carbon in the Northwest Pacific from 1958 to 2017[J]. Acta Oceanologica Sinica, 2022, 41(5): 90-98. doi: 10.1007/s13131-021-1953-5

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Long-term trend of oceanic surface carbon in the Northwest Pacific from 1958 to 2017

doi: 10.1007/s13131-021-1953-5

Xuanliang Ji¹,
Fei Chai^{2, 3
,
,},
Peng Xiu⁴,
Guimei Liu¹

1.
Key Laboratory of Research on Marine Hazards Forecasting, National Marine Environmental Forecasting Center, Ministry of Natural Resources, Beijing 100081, China
2.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
3.
School of Marine Sciences, University of Maine, Orono 04469, ME, United States
4.
State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China

Funds: The National Key Research and Development Program of China under contract No. 2016YFC1401605; the Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) under contract No. SML2020SP008; the Open Fund of Marine Telemetry Technology Innovation Center of the Ministry of Natural Resources; the National Natural Science Foundation of China under contract No. 41730536; the Key Laboratory of Space Ocean Remote Sensing and Application, Ministry of Natural Resources under contract No. 201901001.

More Information

Corresponding author: fchai@sio.org.cn
Received Date: 2021-05-24
Accepted Date: 2021-07-08

Available Online: 2022-03-16

Publish Date: 2022-05-31

Abstract

Abstract

Contrasting decrease and increase trends of sea surface temperature (SST) have been documented in the western Subarctic (WSA) and the rest of the Northwest Pacific (NWP) from 1958 to 2017, respectively. Consequently, more (less) total carbon dioxide (TCO₂) due to ocean cooling (warming) is transported to the surface, which leads to increase (decrease) of oceanic surface partial pressure of carbon dioxide (pCO₂). With the combined influence of the rising atmospheric carbon dioxide (CO₂) level and changing ocean conditions, a prominent increase in oceanic surface pCO₂ occurred with different rates of increase in summer and winter in the NWP. The oceanic surface pCO₂ is mainly controlled by the variation of TCO₂ at the interdecadal timescale and by SST at the seasonal timescale. Our results also indicate that increasing SST tends to strengthen the capability of ocean in absorbing anthropogenic CO₂ in the NWP, while ocean’s uptaking ability is weakened in the cooling area of the WSA.
- sea surface temperature,
- oceanic surface pCO₂,
- ocean cooling (warming),
- control factor

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References(35)

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