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Albedo Parametrization and Reversibility of Sea Ice Decay : Volume 19, Issue 1 (09/02/2012)

By Müller-stoffels, M.

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Book Id: WPLBN0003977229
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File Size: Pages 14
Reproduction Date: 2015

Title: Albedo Parametrization and Reversibility of Sea Ice Decay : Volume 19, Issue 1 (09/02/2012)  
Author: Müller-stoffels, M.
Volume: Vol. 19, Issue 1
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2012
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Wackerbauer, R., & Müller-Stoffels, M. (2012). Albedo Parametrization and Reversibility of Sea Ice Decay : Volume 19, Issue 1 (09/02/2012). Retrieved from http://hawaiilibrary.net/


Description
Description: Physics Department, University of Alaska Fairbanks, AK 99775, USA. The Arctic's sea ice cover has been receding rapidly in recent years, and global climate models typically predict a further decline over the next century. It is an open question whether a possible loss of Arctic sea ice is reversible. We study the stability of Arctic model sea ice in a conceptual, two-dimensional energy-based regular network model of the ice-ocean layer that considers ARM's longwave radiative budget data and SHEBA albedo measurements. Seasonal ice cover, perennial ice and perennial open water are asymptotic states accessible by the model. We show that the shape of albedo parameterization near the melting temperature differentiates between reversible continuous sea ice decrease under atmospheric forcing and hysteresis behavior. Fixed points induced solely by the surface energy budget are essential for understanding the interaction of surface energy with the radiative forcing and the underlying body of ice/water, particularly close to a bifurcation point. Future studies will explore ice edge stability and reversibility in this lattice model, generalized to a latitudinal transect with spatiotemporal lateral atmospheric heat transfer and high spatial resolution.

Summary
Albedo parametrization and reversibility of sea ice decay

Excerpt
Abbot, D., Silver, M., and Pierrehumbert, R.: Bifurcations leading to summer arctic sea ice loss, J. Geophys. Res., 116, D19120, doi:10.1029/2011JD015653, 2011.; Agarwal, S., Moon, W., and Wettlaufer, J.: Decadal to seasonal variability of Arctic sea ice albedo, Geophys. Res. Lett., 38, L20504, doi:10.1029/2011GL049109, 2011.; Andreas, E., Fairall, C., Guest, P., and Persson, O.: SHEBA ASFG PAM surface temperature data, available at: http://www.eol.ucar.edu/projects/sheba/ (last access: July 2011), 1998.; ARM Data Archive: available at: http://www.archive.arm.gov (last access: July 2011), 2010.; Bony, S., Colman, R., Kattsov, V., Allan, R., Bretherton, C., Dufresne, J., Hall, A., Hallegate, S., Holland, M., Ingram, W., Randall, D., Soden, B., Tselioudis, G., and Webb, M.: How well do we understand and evaluate climate change feedback processes?, J. Climate, 19, 3445, doi:10.1175/JCLI3819.1, 2006.; Campbell, G. and Norman, J.: Introduction to environmental biophysics, Springer Science+Business Media, New York, NY, 2nd Edn., 1998.; Crawford, T. and Duchon, C.: An improved parameterization for estimating effective atmospheric emissivity for use in calculating daytime downwelling longwave radiation, J. Appl. Meteorol., 38, 474–480, 2.0.CO;2>doi:10.1175/1520-0450(1999)038<0474:AIPFEE>2.0.CO;2, 1999.; Cross, M. and Hohenberg, P.: Pattern formation outside of equilibrium, Reviews of Modern Physics, 65, 851–1112, doi:10.1103/RevModPhys.65.851, 1993.; DeWeaver, E., Hunke, E., and Holland, M.: Comment on On the reliability of simulated Arctic sea ice in global climate models by I. Eisenman, N. Untersteiner, and J. Wettlaufer, Geophys. Res. Lett., 35, 4501, doi:10.1029/2007GL031325, 2008.; Eisenman, I.: Factors controlling the stability of the sea ice cover, Presentation at SIAM Conference on Applications of Dynamical Systems, Snowbird, UT, USA, 2011.; Eisenman, I. and Wettlaufer, J.: Nonlinear threshold behavior during the loss of Arctic sea ice, Proc. Natl. Acad. Sci., 106, 28–32, doi:10.1073/pnas.0806887106, 2009.; Eisenman, I., Untersteiner, N., and Wettlaufer, J.: On the reliability of simulated Arctic sea ice in global climate models, Geophys. Res. Lett., 34, L10501, doi:10.1029/2007GL029914, 2007.; Goff, J.: Saturation pressure of water on the new Kelvin temperature scale, Transactions of the American society of heating and ventilating engineers, 347–354, 1957.; IPCC: Climate Change 2007: The physical science basis, summary for policymakers, Tech. rep., Intergovernmental Panel on Climate Change, 2007.; Lenton, T., Held, H., Kriegler, E., Hall, J., Lucht, W., and Schellnhuber, H.: Tipping elements in the Earth's climate system, Proc. Natl. Acad. Sci., 105, 1786–1793, doi:10.1073/pnas.0705414105, 2008.; Liu, J., Zhang, Z., and Horton, R.: Evaluation of snow/ice albedo parameterizations and their impacts on sea ice simulations, Int. J. Climatol., 91, 81–91, doi:10.1002/joc.1373, 2007.; Maykut, G. and Untersteiner, N.: Some results from a time-dependent thermodynamic model of sea-ice, J. Geophys. Res., 76, 1550–1575, doi:10.1029/JC076i006p01550, 1971.; Müller-Stoffels, M. and Wackerbauer, R.: Regular ne

 

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