Journal of Meteorological Research

, Volume 32, Issue 6, pp 881–895 | Cite as

Arctic Climate Changes Based on Historical Simulations (1900‒2013) with the CAMS-CSM

  • Ting WeiEmail author
  • Jian Li
  • Xinyao Rong
  • Wenjie Dong
  • Bingyi Wu
  • Minghu Ding
Special Collection on CAMS-CSM


The Chinese Academy of Meteorological Sciences Climate System Model (CAMS-CSM) is a newly developed global climate model that will participate in the Coupled Model Intercomparison Project phase 6. Based on historical simulations (1900‒2013), we evaluate the model performance in simulating the observed characteristics of the Arctic climate system, which includes air temperature, precipitation, the Arctic Oscillation (AO), ocean temperature/salinity, the Atlantic meridional overturning circulation (AMOC), snow cover, and sea ice. The model‒data comparisons indicate that the CAMS-CSM reproduces spatial patterns of climatological mean air temperature over the Arctic (60°‒90°N) and a rapid warming trend from 1979 to 2013. However, the warming trend is overestimated south of the Arctic Circle, implying a subdued Arctic amplification. The distribution of climatological precipitation in the Arctic is broadly captured in the model, whereas it shows limited skills in depicting the overall increasing trend. The AO can be reproduced by the CAMS-CSM in terms of reasonable patterns and variability. Regarding the ocean simulation, the model underestimates the AMOC and zonally averaged ocean temperatures and salinity above a depth of 500 m, and it fails to reproduce the observed increasing trend in the upper ocean heat content in the Arctic. The large-scale distribution of the snow cover extent (SCE) in the Northern Hemisphere and the overall decreasing trend in the spring SCE are captured by the CAMS-CSM, while the biased magnitudes exist. Due to the underestimation of the AMOC and the poor quantification of air–sea interaction, the CAMS-CSM overestimates regional sea ice and underestimates the observed decreasing trend in Arctic sea–ice area in September. Overall, the CAMS-CSM reproduces a climatological distribution of the Arctic climate system and general trends from 1979 to 2013 compared with the observations, but it shows limited skills in modeling local trends and interannual variability.

Key words

temperature precipitation Arctic Oscillation Atlantic meridional overturning circulation ocean potential temperature salinity snow cover sea ice 


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We thank Jingzhi Su, Yanli Tang, and Qing Yan for very helpful discussions. We thank the anonymous reviewers and the editor for their constructive comments, which significantly improved this paper.


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Copyright information

© The Chinese Meteorological Society and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Ting Wei
    • 1
    Email author
  • Jian Li
    • 1
  • Xinyao Rong
    • 1
  • Wenjie Dong
    • 2
    • 3
    • 4
  • Bingyi Wu
    • 5
  • Minghu Ding
    • 1
  1. 1.State Key Laboratory of Severe WeatherChinese Academy of Meteorological SciencesBeijingChina
  2. 2.School of Atmospheric SciencesSun Yat-Sen UniversityGuangzhouChina
  3. 3.Zhuhai Joint Innovative Center for Climate–Environment–Ecosystem, Future Earth Research InstituteBeijing Normal UniversityZhuhaiChina
  4. 4.Center for Excellence in Tibetan Plateau Earth SciencesChinese Academy of SciencesBeijingChina
  5. 5.Institute of Atmospheric SciencesFudan UniversityShanghaiChina

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