The ash dispersion over Europe during the Eyjafjallajokull eruption - Comparison of CMAQ simulations to remote sensing and air-borne in-situ observations (Articolo in rivista)

Type
Label
  • The ash dispersion over Europe during the Eyjafjallajokull eruption - Comparison of CMAQ simulations to remote sensing and air-borne in-situ observations (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.atmosenv.2011.06.077 (literal)
Alternative label
  • Matthias V., Aulinger A., Bieser J., Cuesta J., Geyer B., Langmann, B., Serikov I., Mattis I., Minikin A., Mona L., Quante M., Schumann U., Weinzierl B. (2012)
    The ash dispersion over Europe during the Eyjafjallajokull eruption - Comparison of CMAQ simulations to remote sensing and air-borne in-situ observations
    in Atmospheric environment (1994); Elsevier, Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Matthias V., Aulinger A., Bieser J., Cuesta J., Geyer B., Langmann, B., Serikov I., Mattis I., Minikin A., Mona L., Quante M., Schumann U., Weinzierl B. (literal)
Pagina inizio
  • 184 (literal)
Pagina fine
  • 194 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 48 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Helmholtz Zentrum Geesthacht, Inst Coastal Res, D-21502 Geesthacht, Germany [ 2 ] UPEC, LISA, F-94010 Creteil, France [ 3 ] Lab Atmospheres Milieux Observat Spatiales LATMOS, F-75252 Paris, France [ 4 ] CNR, IMAA, I-85050 Potenza, Italy [ 5 ] Univ Hamburg, Inst Geophys, D-20146 Hamburg, Germany [ 6 ] Max Planck Inst Meteorol, D-20146 Hamburg, Germany [ 7 ] Leibniz Inst Tropospher Res, D-04318 Leipzig, Germany [ 8 ] Deutsch Zentrum Luft & Raumfahrt DLR, Inst Phys Atmosphare, D-82230 Oberpfaffenhofen, Germany (literal)
Titolo
  • The ash dispersion over Europe during the Eyjafjallajokull eruption - Comparison of CMAQ simulations to remote sensing and air-borne in-situ observations (literal)
Abstract
  • The dispersion of volcanic ash over Europe after the outbreak of the Eyjafjallajökull on Iceland on 14 April 2010 has been simulated with a conventional three-dimensional Eulerian chemistry transport model system, the Community Multiscale Air Quality (CMAQ) model. Four different emission scenarios representing the lower and upper bounds of the emission height and intensity were considered. The atmospheric ash concentrations turned out to be highly variable in time and space. The model results were compared to three different kinds of observations: Aeronet aerosol optical depth (AOD) measurements, Earlinet aerosol extinction profiles and in-situ observations of the ash concentration by means of optical particle counters aboard the DLR Falcon aircraft. The model was able to reproduce observed AOD values and atmospheric ash concentrations. Best agreement was achieved for lower emission heights and a fraction of 2% transportable ash in the total volcanic emissions. The complex vertical structure of the volcanic ash layers in the free troposphere could not be simulated. Compared to the observations, the model tends to show vertically more extended, homogeneous aerosol layers. This is caused by a poor vertical resolution of the model at higher altitudes and a lack of information about the vertical distribution of the volcanic emissions. Only a combination of quickly available observations of the volcanic ash cloud and atmospheric transport models can give a comprehensive picture of ash concentrations in the atmosphere (literal)
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