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SIZONET

A Seasonal Ice Zone Observing Network

• Barrow Sea Ice Observatory Data
• Barrow Region Ice Products

Summary

In a rapidly changing Arctic, the shrinking and thinning sea-ice cover plays an important role as indicator and agent of environmental change. A dramatic shrinking of the perennial ice cover has greatly increased the extent and hence importance of the Arctic seasonal ice zone (SIZ). The SIZ is predicted to occupy much of the Arctic by mid- to late century, but data are sorely lacking to aid in tracking, understanding and predicting change over this important component of the Arctic cryosphere. This interdisciplinary project implements an integrated program of observing seasonal ice in the context of sweeping environmental, (geo)political and socio-economic change in the North. In addition to sampling of sea-ice state variables, the observation-system design is guided by the concept of sea-ice system services (SISS). By assessing the nature and extent of SISS, an integrated observation network is built that will lead to prediction of key trends in a changing Arctic in a way that provides maximum benefit for the broadest range of affected interests. Observations include shore-based and drift-ice measurements of ice motion, key mass-balance variables and critical snow and ice properties such as albedo, as well as airborne electromagnetic ice thickness measurements. Pan-Arctic data of seasonal ice evolution and ice-type distribution are extracted from satellite microwave remote-sensing observations.

Partners

• Alfred Wegener Institute
• Donald K. Perovich, Engineer Research and Development Center (ERDC-CRREL)
• Hokkaido University
• NASA-JPL
• Norsk Polarinstitutt
• Smithsonian Institution
• Hajo Eicken, http://www.uaf.edu/
• University of Washington

Acknowledgments

This material is based upon work supported by the National Science Foundation under Grant No. OPP-0632398. Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation (NSF).

How are we doing?

• AOOS Data Holdings Status Page - What we check each morning to determine how all our processes are running
• See what IOOS Catalog (DIF and other services) AOOS is serving - choose any item with data on left (not those that list (0) to see select downloads for that variable
• See the IOOS Implementation Matrix

AOOS is affiliated with the Integrated Ocean Observing System and the
University of Alaska Fairbanks School of Fisheries and Ocean Sciences.
UAF is an affirmative action/equal opportunity employer and educational institution.

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