Climate Change Research ›› 2020, Vol. 16 ›› Issue (2): 153-162.doi: 10.12006/j.issn.1673-1719.2019.244

• New Scientific Understanding on Changes and Impacts of Oceans and Cryosphere • Previous Articles     Next Articles

Interpretation of IPCC SROCC on polar system changes and their impacts and adaptations

XIAO Cun-De1,SU Bo1,DOU Ting-Feng2,YANG Jiao3,LI Shu-Tong3   

  1. 1 State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China
    2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100039, China
    3 State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences, Lanzhou 730000, China
  • Received:2019-10-23 Revised:2019-12-16 Online:2020-03-30 Published:2020-04-01


The Arctic and part of Antarctic are experiencing significant changes characterized by warming and cryosphere’s shrinkage, which not only profoundly affect the local eco-environment and socio-economy, but also expand to the hemisphere and global scale. The special report on the ocean and cryosphere in a changing climate (SROCC) was issued on 25 September 2019, which systematically presented basic scientific understanding of changes in ocean, cryosphere, ecosystem and their interactions, analyzed the pathway to reduce vulnerability and risk, enhance adaptability and resilience. This article is a brief interpretation of the third chapter of the SROCC, including: (1) the changes in the polar system (such as polar oceans, sea ice, snow cover, freshwater ice, permafrost, polar ice sheets and glaciers) and their impacts on socio-ecological systems, and the links between polar systems and mid-latitude weather; (2) human response to polar changes, such as consequence of climate change, documented responses, key assets and strategies of adaptive and transformative capacity, anticipated future conditions and uncertainty, etc.; (3) assessment of practices and strategies for resilience building.

Key words: Polar system, SROCC, Impacts, Resilience

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