[CRYOLIST] IUGG 2019: Atmosphere - ocean - sea ice interactions

John Cassano john.cassano at Colorado.EDU
Sun Jan 6 13:55:19 PST 2019


We invite abstracts for IUGG 2019 (http://iugg2019montreal.com/index.html)
session JC02 - Atmosphere - ocean - sea ice  interactions: Local processes
and global implications.

The deadline for abstract submission is Monday 18 February 2019.

http://iugg2019montreal.com/abstract-submission.html



Convener:John Cassano (USA, IAMAS)

Co-Conveners:Hiroyuki Enomoto (Japan, IACS), Elisa Manzini (Germany, 
IAMAS), Matthew Lazzara (USA, IAMAS), James Renwick (New Zealand, 
IAMAS), Thomas Spengler (Norway, IAMAS), William Perrie (Canada, IAPSO)

Description

Changes in the Arctic and Antarctic climate system are strongly related 
to atmosphere-ocean-ice (AOI) interactions. Phenomena such as the 
dramatic decrease in sea ice extent in the Arctic over the past 30 years 
contribute to rapid regional warming through feedbacks between the 
atmosphere, ocean, and sea ice. On the other hand, Antarctic sea ice 
variability is internally dominated with no strong multi-decadal trend. 
Understanding and modelling these variations in the coupled AOI system 
remains a challenge at both poles. AOI interactions are also associated 
with synoptic weather systems and mesoscale extreme weather phenomena 
such as cold air outbreaks, katabatic winds, and polar lows. In the 
Arctic, for example, sea ice loss is associated with rapid regional 
warming which is often tightly linked to mid-latitude weather and 
climate. Arctic sea ice loss may also impact the state of the 
stratospheric vortex, which in turn can affect the large-scale 
hemispheric circulation in the troposphere. Furthermore, in the 
Antarctic, sea ice change may affect ice shelf behaviour and hence could 
affect sea level change. The representation of these physical processes 
and interactions at different spatial and temporal scales, however, 
remains a major challenge for current weather and climate models.

This symposium brings together researchers working in the areas of polar 
meteorology and oceanography as well as sea ice to focus on physical 
processes as well as on global change related to the Arctic and 
Antarctic. Special emphasis is on the coupling between the ocean, ice, 
and atmosphere and the interactions between the Polar Regions and the 
large-scale hemispheric and global circulation. Further focus is on 
processes and parameterizations related to physical exchange, including 
the influence of sea ice floe-size distribution and sub-mesoscale 
ocean/sea ice dynamics and thermodynamics. Contributions are welcome 
dealing with theoretical and observational studies, including remote 
sensing, as well as studies using numerical models.



---------------
John Cassano
Associate Professor
University of Colorado
e-mail: john.cassano at colorado.edu






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