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Overview of the synoptic and pollution situation over Europe during the EUCAARI-LONGREX field campaign

Hamburger, Thomas and McMeeking, Gavin and Minikin, Andreas and Birmili, Wolfram and Dall'Osto, M. and O'Dowd, Colin and Flentje, Harald and Henzing, B. and Junninen, H. and Kristensson, A. and de Leeuw, Gerrit and Stohl, Andreas and Burkhart, J. F. and Coe, Hugh and Krejci, Radovan and Petzold, Andreas (2011) Overview of the synoptic and pollution situation over Europe during the EUCAARI-LONGREX field campaign. Atmospheric Chemistry and Physics, 11, pp. 1065-1082. European Geosciences Union. DOI: 10.5194/acp-11-1065-2011.

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Official URL: http://www.atmos-chem-phys.net/11/1065/2011/

Abstract

The European integrated project on Aerosol Cloud Climate and Air Quality Interactions (EUCAARI) focuses on understanding the interactions of climate and air pollution. As part of the EUCAARI intensive observational period, an aircraft field campaign (EUCAARI-LONGREX) was conducted in May 2008. The campaign aimed at studying the distribution and evolution of air mass properties on a continental scale. Airborne aerosol and trace gas measurements were performed aboard the German DLR Falcon 20 and the British FAAM BAe-146 aircraft. This paper outlines the meteorological situation over Europe during May 2008 and the temporal and spatial evolution of predominantly anthropogenic particulate pollution inside the boundary layer and the free troposphere. Time series data of six selected ground stations are used to discuss continuous measurements besides the single flights. The observations encompass total and accumulation mode particle number concentration (0.1â��0.8 �¼m) and black carbon mass concentration as well as several meteorological parameters. Vertical profiles of total aerosol number concentration up to 10 km are compared to vertical profiles probed during previous studies. During the first half of May 2008 an anticyclonic blocking event dominated the weather over Central Europe. It led to increased pollutant concentrations within the centre of the high pressure inside the boundary layer. Due to long-range transport the accumulated pollution was partly advected towards Western and Northern Europe. The measured aerosol number concentrations over Central Europe showed in the boundary layer high values up to 14 000 cmâ��3 for particles in diameter larger 10 nm and 2300 cmâ��3 for accumulation mode particles during the high pressure period, whereas the middle free troposphere showed rather low concentrations of particulates. Thus a strong negative gradient of aerosol concentrations between the well mixed boundary layer and the clean middle troposphere occurred.

Document Type:Article
Title:Overview of the synoptic and pollution situation over Europe during the EUCAARI-LONGREX field campaign
Authors:
AuthorsInstitution or Email of Authors
Hamburger, ThomasUNSPECIFIED
McMeeking, GavinUniv. of Manchester, Manchester, UK
Minikin, AndreasUNSPECIFIED
Birmili, WolframLeibniz-Inst. für Troposphärenforschung, Leipzig
Dall'Osto, M.National Univ. of Ireland, Galway, Ireland
O'Dowd, ColinNational Univ. of Ireland, Galway, Ireland
Flentje, HaraldDWD, Hohenpeissenberg
Henzing, B.TNO, Utrecht, NL
Junninen, H.Univ. of Helsinki, FIN
Kristensson, A.Lund Univ., Lund, S
de Leeuw, GerritTNO, Utrecht, NL
Stohl, AndreasNILU, Kjeller, N
Burkhart, J. F.NILU, Kjeller, N
Coe, HughUniv. of Manchester, Manchester, UK
Krejci, RadovanStockholm Univ., Stockholm, S
Petzold, AndreasUNSPECIFIED
Date:2011
Journal or Publication Title:Atmospheric Chemistry and Physics
Refereed publication:Yes
In Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:11
DOI:10.5194/acp-11-1065-2011
Page Range:pp. 1065-1082
Publisher:European Geosciences Union
Status:Published
Keywords:EUCAARI, aerosol, EUCAARI-LONGREX, Falcon, pollution
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Trace Species
Deposited By: Dr.rer.nat. Andreas Minikin
Deposited On:08 Dec 2010 16:02
Last Modified:12 Dec 2013 21:08

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