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Heat-Wave events in Spain: Air mass analysis and impacts on 7be concentrations

TitleHeat-Wave events in Spain: Air mass analysis and impacts on 7be concentrations
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2016
AuthorsHernández-Ceballos, M.Á., Brattich E., and Cinelli Giorgia
JournalAdvances in Meteorology
Volume2016
ISSN16879309
Abstract

The present paper describes and characterizes the air mass circulation during the heat-wave events registered during the period 2005-2014 over Spain, paying special attention to the role of the Saharan circulations. Backward trajectories at 500, 1500, and 3000 m in Seville (south), Madrid (centre), and Bilbao (north) during the thirteen heat-wave events identified are analysed. Finally, the impact of the heat-wave events and of each advection pattern on 7Be activity concentrations is also analysed. The heat-wave events are characterized roughly by western, southern, and nearby advections, with a higher frequency of the first two types. The analysis shows an increase of African air masses with height, presenting a different spatial impact over Spain, with a decreasing occurrence and a decrease in the simultaneous occurrence percentage from south to north. On average, the 7Be activity concentrations during these events show an increase of concentrations in central (21%) and southern (18%) areas and a decrease in northern (13%) Spain. This increase is not associated with Saharan air masses but instead with the arrival of distant westerly air masses. © 2016 M. A. Hernández-Ceballos et al.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84978388426&doi=10.1155%2f2016%2f8026018&partnerID=40&md5=5436c1891125476505cb8e898f22f857
DOI10.1155/2016/8026018
Citation KeyHernández-Ceballos2016