The Cryosphere, 3, 11-19, 2009
© Author(s) 2009. This work is distributed
under the Creative Commons Attribution 3.0 License.
The emergence of surface-based Arctic amplification
M. C. Serreze1, A. P. Barrett1, J. C. Stroeve1, D. N. Kindig1, and M. M. Holland2
1National Snow and Ice Data Center, Cooperative Institute for Research in Environmental Sciences University of Colorado, Boulder, CO, USA
2Climate and Global Dynamics Division, Earth and Sun Systems Laboratory National Center for Atmospheric Research Boulder CO, USA

Abstract. Rises in surface and lower troposphere air temperatures through the 21st century are projected to be especially pronounced over the Arctic Ocean during the cold season. This Arctic amplification is largely driven by loss of the sea ice cover, allowing for strong heat transfers from the ocean to the atmosphere. Consistent with observed reductions in sea ice extent, fields from both the NCEP/NCAR and JRA-25 reanalyses point to emergence of surface-based Arctic amplification in the last decade.

Citation: Serreze, M. C., Barrett, A. P., Stroeve, J. C., Kindig, D. N., and Holland, M. M.: The emergence of surface-based Arctic amplification, The Cryosphere, 3, 11-19, doi:10.5194/tc-3-11-2009, 2009.
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