The CliC Arctic Sea Ice Working Group concentrates on improving the coordination between the sea-ice observation and modelling communities to establish protocols for standardizing and archiving data across the different national and international activities. 

The establishment of a CliC Arctic Sea-Ice Working Group complements ASPeCt in arctic regions. This working group is initially focused on improving the coordination of surface-based sea-ice and snow observations, establishing protocols for standardizing and archiving data across the different national and international activities, and linking partners to ensure that functional, sustained observing networks are established for long-term observation and monitoring of these regions.

Progress in observations should be continued in the area of assimilation of the variety of sea-ice observations into coupled atmosphere-ocean general circulation models. This will contribute to create a basis for global ocean and climate system re-analysis.

The CliC Arctic Sea-Ice Working Group is expanding and refocusing its activities to involve more modelling and process studies, in cooperation with related initiatives as the Sea-Ice Outlook of U.S. SEARCH. Seasonal prediction of sea ice cover or extent, particularly of its September minimal value, remains the area of most significant interest. Intercomparison of ice extent algorithms and their generalization, so that they are able to satisfy the interest of users in having access to the least uncertain and uncontroversial sea-ice extent data.

CASIWG: CliC Arctic Sea-Ice Working Group. Chair Don Perovich, USA Steering Committee member Sebastian Gerland, Norway

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Status September 2010