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  5. New Record Ocean Temperatures and Related Climate Indicators in 2023

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Article
English
2024

New Record Ocean Temperatures and Related Climate Indicators in 2023

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English
2024
Advances in Atmospheric Sciences
Vol 41 (6)
DOI: 10.1007/s00376-024-3378-5

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Kevin E Trenberth
Kevin E Trenberth

National Center For Atmospheric Research

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Lijing Cheng
John Abraham
Kevin E Trenberth
+31 more

Abstract

The global physical and biogeochemical environment has been substantially altered in response to increased atmospheric greenhouse gases from human activities. In 2023, the sea surface temperature (SST) and upper 2000 m ocean heat content (OHC) reached record highs. The 0–2000 m OHC in 2023 exceeded that of 2022 by 15 ± 10 ZJ (1 Zetta Joules = 10 21 Joules) (updated IAP/CAS data); 9 ± 5 ZJ (NCEI/NOAA data). The Tropical Atlantic Ocean, the Mediterranean Sea, and southern oceans recorded their highest OHC observed since the 1950s. Associated with the onset of a strong El Niño, the global SST reached its record high in 2023 with an annual mean of ∼0.23°C higher than 2022 and an astounding > 0.3°C above 2022 values for the second half of 2023. The density stratification and spatial temperature inhomogeneity indexes reached their highest values in 2023.

How to cite this publication

Lijing Cheng, John Abraham, Kevin E Trenberth, Tim Boyer, Michael Mann, Jiang Zhu, Fan Wang, Fujiang Yu, Ricardo A. Locarnini, John Fasullo, Fei Zheng, Yuanlong Li, Bin Zhang, Liying Wan, Xingrong Chen, Dakui Wang, Licheng Feng, Xiangzhou Song, Yulong Liu, Franco Reseghetti, Simona Simoncelli, Viktor Gouretski, Gengxin Chen, Alexey Mishonov, Jim Reagan, Karina von Schuckmann, Yuying Pan, Zhetao Tan, Yujing Zhu, Wangxu Wei, Guancheng Li, Qiuping Ren, Lijuan Cao, Yayang Lu (2024). New Record Ocean Temperatures and Related Climate Indicators in 2023. Advances in Atmospheric Sciences, 41(6), pp. 1068-1082, DOI: 10.1007/s00376-024-3378-5.

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Publication Details

Type

Article

Year

2024

Authors

34

Datasets

0

Total Files

0

Language

English

Journal

Advances in Atmospheric Sciences

DOI

10.1007/s00376-024-3378-5

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