globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-015-2920-7
Scopus记录号: 2-s2.0-84948655129
论文题名:
The Etesians: from observations to reanalysis
作者: Dafka S.; Xoplaki E.; Toreti A.; Zanis P.; Tyrlis E.; Zerefos C.; Luterbacher J.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2016
卷: 47, 期:2017-05-06
起始页码: 1569
结束页码: 1585
语种: 英语
英文关键词: ERA-20C ; Etesians ; Extreme wind ; Mediterranean ; Summer circulation ; Twentieth century reanalysis
英文摘要: The Etesians are among the most persistent regional scale wind systems in the lower troposphere that blow over the Aegean Sea during the extended summer season. In this study we evaluate the performance of three different reanalysis products (the twentieth century reanalysis, 20CR; the 40-year European Centre for Medium-Range Weather Forecasts, ECMWF, Re-Analysis, ERA40; and the recently released ECMWF reanalysis ERA-20C) in capturing the Etesian wind system. Three-hourly data from 24 stations over Greece are used and compared with reanalysis outputs for the extended summer season (May–September) from 1971 to 2000. An objective classification of Etesians based on the pressure difference over the Aegean is provided. Classified Etesian days are then investigated as well as the associated large scale atmospheric circulation. Results highlight the ability of the investigated reanalyses to adequately describe the Etesian meteorological regimes. Intense Etesians are associated with stronger geopotential height anomalies over western-central Europe and the Eastern Mediterranean and with pronounced changes in the mean position of the jet streams. Finally, station time series provide evidence for less frequent intense Etesian days at the end of the extended summer season. © 2015, Springer-Verlag Berlin Heidelberg.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53568
Appears in Collections:过去全球变化的重建

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作者单位: Climatology, Climate Dynamics and Climate Change, Department of Geography, Justus-Liebig-University of Giessen, Senckenbergstrasse 1, Giessen, Germany; European Commission, Joint Research Centre, Ispra, Italy; Department of Meteorology and Climatology, School of Geology, Aristotle University of Thessaloniki, Thessaloniki, Greece; Energy, Environment and Water Research Center, The Cyprus Institute, Nicosia, Cyprus; Research Centre for Atmospheric Physics and Climatology, Academy of Athens, Athens, Greece; Biomedical Research Foundation, Academy of Athens, Athens, Greece; Navarino Environmental Observatory, Costa Navarino, Messinia, Greece

Recommended Citation:
Dafka S.,Xoplaki E.,Toreti A.,et al. The Etesians: from observations to reanalysis[J]. Climate Dynamics,2016-01-01,47(2017-05-06)
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