Indication of the Arctic and Antarctic Changes and their regulation to Global Climate Change——New understandings since the Fourth IPCC assessment report

doi:10.3724/SP.J.1084.2013.00001

Abstract

Abstract: It has concerned by the international scientific and social communities as well as rapidly become important international political issues since the Fourth Assessment Report of Intergovernmental Panel on Climate Change (IPCC) was released in 2007. In addition, more and more new founding has achieved through implementing the Fourth International Polar Years campaign since 2007/08. It is most significant that the Arctic and Antarctic have been suffering rapid changes which might introduce variations from quantity to quality changes in thresholds appear in middle this century. It is proposed that declining Arctic sea ice would impact on winter snowfall in large scale of the Northern Hemisphere and getting more strong when a projection of almost disappeared the Arctic sea ice in summertime along 2040. About 2050, the Antarctic ozone hole will be recovered back to early 1980s’level when the production of Freon was prohibited. Since that, it becomes rapid warmer in Antarctica and East Antarctica and quickly melting of ice sheets and retreating of sea ice. The sea level rising would be a serious issue. When sea surface temperature increase will enhance air-sea exchange rate of CO2, surface water will storage more CO2 in large scale and cause ocean acidification to affect the ecological system. Therefore, the Arctic and Antarctic changes will play a significant role of indication and regulation to Global Climate Change.

Key words: the Antarctic, the Arctic, climate change, IPCC, indication and regulation

Liqi Chen. Indication of the Arctic and Antarctic Changes and their regulation to Global Climate Change——New understandings since the Fourth IPCC assessment report[J]. ADVANCES IN POLAR SCIENCE, 2013, 25(1): 1-6.

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