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Winter and Summer Blocking Variability in the North Atlantic Region – Evidence from Long-term Observational and Proxy Data from Southwestern Greenland : Volume 7, Issue 2 (23/05/2011)

By Rimbu, N.

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Book Id: WPLBN0004006294
Format Type: PDF Article :
File Size: Pages 13
Reproduction Date: 2015

Title: Winter and Summer Blocking Variability in the North Atlantic Region – Evidence from Long-term Observational and Proxy Data from Southwestern Greenland : Volume 7, Issue 2 (23/05/2011)  
Author: Rimbu, N.
Volume: Vol. 7, Issue 2
Language: English
Subject: Science, Climate, Past
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2011
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Lohmann, G., & Rimbu, N. (2011). Winter and Summer Blocking Variability in the North Atlantic Region – Evidence from Long-term Observational and Proxy Data from Southwestern Greenland : Volume 7, Issue 2 (23/05/2011). Retrieved from http://www.ebooklibrary.org/


Description
Description: Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany. We investigate the interannual and decadal variability of the North Atlantic atmospheric blocking frequency and distribution in connection with long-term observational and proxy records from southwestern Greenland. It is shown that warm (cold) conditions in southwestern Greenland during winter are related with high (low) blocking activity in the Greenland-Scandinavian region. The pattern of winter temperature-blocking variability is more complex than the blocking pattern associated to the North Atlantic Oscillation (NAO). We find, furthermore, that a North Atlantic blocking index is significantly correlated with seasonally resolved stable isotope records from Greenland ice cores. Both suggest a possible reconstruction of blocking variability in this region. During summer, high (low) blocking activity in the Euro-Atlantic region is associated with cold (warm) conditions in southwestern Greenland. We conclude that historical temperature records, as well as proxy data from Greenland, can be used to obtain information related to interannual and multidecadal variation of winter and summer blocking during past periods.

Summary
Winter and summer blocking variability in the North Atlantic region – evidence from long-term observational and proxy data from southwestern Greenland

Excerpt
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