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          Institute: MPI für Meteorologie     Collection: Climate Processes     Display Documents

ID: 256484.0, MPI für Meteorologie / Climate Processes
The vertical distribution of aerosol over Europe - synthesis of one year of EARLINET aerosol lidar measurements and aerosol transport modeling with LMDzT-INCA
Authors:Guibert, S.; Matthias, Volker; Schulz, M.; Boesenberg, Jens; Eixmann, R.; Mattis, I.; Pappalardo, G.; Perroneg, M. R.; Spinelli, N.; Vaughan, G.
Date of Publication (YYYY-MM-DD):2005-05
Title of Journal:Atmospheric Environment
Journal Abbrev.:Atmos. Environ.
Issue / Number:16
Start Page:2933
End Page:2943
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:Aerosol extinction vertical profiles measured with Raman lidar in the framework of EARLINET in 2000 are
compared to profiles modeled by a general circulation model, LMDzT-INCA, at seven stations in Europe.
Comparisons based on individual profiles show moderate correlation between model and data. Averaging aerosol
extinction values on larger temporal or spatial scales improves the comparison. Furthermore, we show that the model
succeeds to reproduce the mean annual aerosol distribution over Europe. Comparisons of the aerosol vertical
distribution in two distinct regions of Europe are presented. For the northern stations, the observed yearly average
aerosol extinction coefficient vertical profile and the modeled one show an average bias of 22%. For the southern
stations the mean bias is slightlyhigher (29%). Both model and lidar show different extinction profiles in different parts of Europe, with higher values in upper heights in the South. According to modeled profiles of each aerosol component, this is caused bythe presence of dust at altitudes between 2 and 6 km. In addition vertical mixing in the South seems to be more effective for the other aerosol components
Free Keywords:aerosol extinction; vertical profiles; aerosol composition; Saharan dust; GCM
External Publication Status:published
Document Type:Article
Affiliations:MPI für Meteorologie
External Affiliations:CEA, CNRS, IPSL, LSCE, F-91191 Gif Sur Yvette, France.; GKSS Forschungszentrum Geesthacht GmbH, Inst Coastal Res, Geesthacht, Germany.; Leibniz Inst Atmospharenphys, Kuhlungsborn, Germany.; Leibniz Inst Tropospharenforsch, Leipzig, Germany.; CNR, Ist Metodol Anal Ambientale, Potenza, Italy.; Univ Lecce, Dipartimento Fis, I-73100 Lecce, Italy.; Univ Naples, Ist Nazl Fis Mat, Naples, Italy.; Univ Naples, Dipartimento Sci Fisiche, Naples, Italy.; Univ Wales, Dept Phys, Aberystwyth, Dyfed, Wales.
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