[CRYOLIST] Announcement EGU 2019 Arctic climate change session

Richard Bintanja bintanja at gmail.com
Mon Jan 7 10:53:04 PST 2019

We cordially invite you to submit an abstract to the Arctic session at

*EGU, 7 – 12 April 2019*

Deadline for abstract submission: 10 January 2018, 13:00 CET



*Arctic climate change: governing mechanisms and global implications*

Convener: Richard Bintanja

Co-convener: Rune Grand Graversen


One of the most striking features of global climate change is the strongly
amplified response of surface air temperature in the Arctic and the
associated strong decline in sea ice. Both observational and climate
modelling studies have shown that the Arctic is a region very susceptible
to climate change; moreover, changes occurring in the Arctic are likely to
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
that contribute to amplified Arctic warming, most of them associated with
sea ice. The most well-known is the surface-albedo feedback, which is
associated with retreating sea-ice and snow cover. 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 and the role of sea ice therein are still uncertain. This
session specifically aims to identify, characterise and quantify the
processes and feedbacks that govern amplified Arctic warming and sea ice
retreat, Arctic climate variability, and it also addresses the climate
impacts on the lower latitudes associated with Arctic changes (for instance
the relation between sea ice retreat, heat flux changes and atmospheric
circulation changes beyond the Arctic region). We therefore invite
contributions on the causes, mechanisms and climate feedbacks associated
with Arctic climate change and sea ice retreat, climate variability, and
the possible links to weather and climate outside the Arctic. We welcome
studies based both on climate model results and/or observational datasets,
for near-past, present and future climate changes.
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