Articles | Volume 9, issue 1
Research article
07 Jan 2015
Research article |  | 07 Jan 2015

Recent summer Arctic atmospheric circulation anomalies in a historical perspective

A. Belleflamme, X. Fettweis, and M. Erpicum

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Cited articles

Anagnostopoulou, C., Tolika, K., and Maheras, P.: Classification of circulation types: a new flexible automated approach applicable to NCEP and GCM datasets, Theor. Appl. Climatol., 96, 3–15,, 2009.
Ballinger, T., and Sheridan, S.: Associations between circulation pattern frequencies and sea ice minima in the western Arctic, Int. J. Climatol., 34, 1385–1394,, 2014.
Ballinger, T., Sheridan, S., and Hanna, E.: Short Communication "Resolving the Beaufort Sea High using synoptic climatological methods", Int. J. Climatol., 34, 3312–3319,, 2014.
Bardossy, A. and Caspary, H.-J.: Detection of climate change in Europe by analyzing European atmospheric circulation patterns from 1881 to 1989, Theor. Appl. Climatol., 42, 155–167,, 1990.
Belleflamme, A., Fettweis, X., Lang, C., and Erpicum, M.: Current and future atmospheric circulation at 500 hPa over Greenland simulated by the CMIP3 and CMIP5 global models, Clim. Dynam., 41, 2061–2080,, 2013.
Short summary
The 2007-2012 summertime circulation anomaly over the Arctic region (i.e. more high pressure systems over the Beaufort Sea, the Canadian Arctic Archipelago, and Greenland) is put in a historical perspective. While the 2007-2012 anomaly seems to be exceptional, similar circulation conditions have occurred since 1871, on the basis of five reanalyses (ERA-Interim, ERA-40, NCEP/NCAR, ERA-20C, 20CRv2). The attribution of this anomaly (natural variability or global warming) remains debatable.