EGU 2013 – CL2.3 Arctic climate change: governing mechanisms and global implications

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EGU 2013 – CL2.3 Arctic climate change: governing mechanisms and global implications

Richard Bintanja

Dear collegues,

If you're interested in presenting your research concerning to Arctic climate change at EGU, please consider the session described below.

Hope to see you in Vienna!

Richard Bintanja

Abstract submission deadline: 9 January 2012
EGU 2013, Vienna, 8-12 April 2013 (

CL2.3 Arctic climate change: governing mechanisms and global implications

Convener: Richard Bintanja

Co-convener: Rune Grand Graversen

Description One of the most striking features of global climate change is the strongly amplified response of surface air temperature in the Arctic. Both observational and climate modeling studies have shown that the Arctic is a region very susceptible to climate change; moreover, changes occurring in the Arctic may have more wide-spread implications. Arctic amplification manifests itself in a number of ways, most notably in the current retreat and thinning of Arctic sea ice. A variety of processes and feedbacks have been proposed to contribute to amplified Arctic warming. The most well-known is the surface-albedo feedback, which is associated with retreating sea-ice and snow cover. Another important mechanism involves changes in the meridional heat transport to the northern high latitudes. While most climate models exhibit an Arctic amplification signal with respect to ongoing and future changes, the inter-model range in simulated amplification is large, suggesting that the magnitudes of the various feedbacks contributing to Arctic warming are still uncertain. This session specifically aims to identify, characterize and quantify the processes and feedbacks that govern amplified Arctic warming, and it also covers the climate impacts on the lower latitudes associated with Arctic changes (for instance the relation between sea ice reductions, heat flux changes and atmospheric circulation changes beyond the Arctic region). We invite contributions on the causes, mechanisms and climate feedbacks associated with Arctic climate change. We welcome studies based both on climate model results and/or observational datasets, for near-past, present and future climate changes.

Richard Bintanja

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