vEGU2021 session CR5.4: Risks from a changing cryosphere

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vEGU2021 session CR5.4: Risks from a changing cryosphere

Christian Huggel
Dear cryolist colleagues, please consider submitting an abstract to the
session CR5.4: Risks from a changing cryosphere at EGU 2021, a fully
virtual conference, with much improved opportunities for the community
as compared to last year's online conference.

session details and abstract submission:

https://meetingorganizer.copernicus.org/EGU21/session/39057

the abstract submission deadline is 13 January, 13:00 CET (with a
recommendation not to submit at the last minute).

we're looking forward to an insightful session,

Christian Huggel, Matt Westoby, Michael Krautblatter, session conveners:



vEGU2021 session CR5.4: Risks from a changing cryosphere:

The global cryosphere with all its components is strongly impacted by
climate change and has been undergoing significant changes over the past
decades. Glaciers are shrinking and thinning. Snow cover and duration is
reduced, and permafrost, in both Arctic and alpine environments, is
thawing. Changes in sea ice cover and characteristics have attracted
widespread attention, and changes in ice sheets are monitored with care
and concern. 
Risks associated with one or several of these cryosphere
components have been present throughout history. However, with ongoing
climate change, we expect changes in the magnitude and frequency of
hazards with profound implications for risks. New or growing glacier
lakes pose a threat to downstream communities through the potential for
sudden drainage. Thawing permafrost can destabilize mountain slopes, and
eventually result in large landslide or destructive rock and ice
avalanches. An accelerated rate of permafrost degradation in low-land
areas poses risk to existing and planned infrastructure and raises
concerns about large-scale emission of greenhouse gases currently
trapped in Arctic permafrost. Decreased summertime sea ice extent may
produce both risks and opportunities in terms of large-scale climate
feedbacks and alterations, coastal vulnerability, and new access to
transport routes and natural resources. Furthermore, rapid acceleration
of outlet glacier ice discharge and collapse of ice sheets is of major
concern for sea level change. 
This session invites contributions across
all cryosphere components that address risks associated with observed or
projected physical processes. Contributions considering more than one
cryosphere component (e.g. glaciers and permafrost) are particularly
encouraged, as well as contributions on cascading processes and
interconnected risks. Contributions can consider hazards and risks
related to changes in the past, present or future. Furthermore,
contributions may consider one or several components of risks (i.e.
natural hazards, exposure, vulnerability) as long as conceptual clarity
is ensured.



--
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Christian Huggel
Environment and Climate: Impacts, Risks and Adaptation (EClim)
Glaciology & Geomorphodynamics
Department of Geography phone: +41 44 635 51 75
University of Zurich fax: +41 44 635 68 41
CH-8057 Zurich email: [hidden email]
http://eclim-research.ch/

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