Arctic Sea Ice Decline: Observations, Projections, by Eric T. DeWeaver, Cecilia M. Bitz, L.-Bruno Tremblay

By Eric T. DeWeaver, Cecilia M. Bitz, L.-Bruno Tremblay

Published by means of the yank Geophysical Union as a part of the Geophysical Monograph Series.

This quantity addresses the speedy decline of Arctic sea ice, putting fresh sea ice decline within the context of prior observations, weather version simulations and projections, and easy types of the weather sensitivity of sea ice. Highlights of the paintings offered the following comprise

  • An appraisal of the function performed by way of wind forcing in using the decline;
  • A reconstruction of Arctic sea ice stipulations sooner than human observations, in line with proxy information from sediments;
  • A modeling process for assessing the effect of sea ice decline on polar bears, used as enter to the U.S. Fish and flora and fauna Service's determination to record the polar endure as a threatened species below the Endangered Species Act;
  • Contrasting reviews at the life of a "tipping point," past which Arctic sea ice decline becomes (or has already develop into) irreversible, together with an exam of the function of the small ice cap instability in worldwide warming simulations;
  • A major summertime atmospheric reaction to sea ice aid in an atmospheric normal flow version, suggesting a good suggestions and the potential of momentary weather prediction.

The ebook might be of curiosity to researchers trying to comprehend the new habit of Arctic sea ice, version projections of destiny sea ice loss, and the results of sea ice loss for the normal and human platforms of the Arctic.

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Extra info for Arctic Sea Ice Decline: Observations, Projections, Mechanisms, and Implications

Sample text

In general, IRD accumulate where sea ice is melting and therefore characterize the areas close to distal margins of sea ice. Therefore, IRD usually correspond to seasonal sea ice, whereas the deep-sea sediment under perennial sea ice is generally deprived of coarse debris. The interpretation of IRD is not straightforward depending upon the context. , 2005a], whereas IRD occurrences in North Atlantic sediments would rather reflect peaks in seasonal spreadings de Vernal et al. , 2004]. , Reeh, 2004].

J. E. Walsh, M. El Hamly, and P. J. Lamb (2001), Season­ ality of the North Atlantic Oscillation, J. , 14, 2069–2078. Rayner, N. , D. E. Parker, E. B. Horton, C. K. Folland, L. V. Alexander, D. P. Rowell, E. C. Kent, and A. Kaplan (2003), Global analyses of sea surface temperature, sea ice, and night marine air temperature since the late nineteenth century, J. Geophys. 1029/2002JD002670. Rigor, I. , and J. M. Wallace (2004), Variations in the age of Arctic sea-ice and summer sea-ice extent, Geophys.

Box 3000, Boulder, CO 80307, USA. (cdeser@ucar. edu) Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations Anne de Vernal, Claude Hillaire-Marcel, Sandrine Solignac, and Taoufik Radi GEOTOP, Université du Québec à Montréal, Montreal, Quebec, Canada André Rochon GEOTOP and ISMER, Université du Québec à Rimouski, Rimouski, Quebec, Canada Sea ice is a sensitive parameter characterized by a high variability in space and time that can be reconstructed from paleoclimatological archives.

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