Long-range transport and mixing of aerosol sources during the 2013 North American biomass burning episode: Analysis of multiple lidar observations in the western Mediterranean basin
Long-range transport of biomass burning (BB) aerosols between North America and the Mediterranean region took place in June 2013. A large number of ground-based and airborne lidar measurements were deployed in the western Mediterranean during the Chemistry-AeRosol Mediterranean EXperiment (ChArMEx)...
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ftenea:oai:iris.enea.it:20.500.12079/3217 2024-03-31T07:54:22+00:00 Long-range transport and mixing of aerosol sources during the 2013 North American biomass burning episode: Analysis of multiple lidar observations in the western Mediterranean basin Di Iorio, T. Di Iorio, T. 2016 https://hdl.handle.net/20.500.12079/3217 https://doi.org/10.5194/acp-16-4725-2016 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84966267382&partnerID=40&md5=7079671a43c9d40699cf2ae1bb464420 en eng Copernicus GmbH volume:16 issue:7 numberofpages:4725 - 4742 journal:ATMOSPHERIC CHEMISTRY AND PHYSICS http://hdl.handle.net/20.500.12079/3217 doi:10.5194/acp-16-4725-2016 info:eu-repo/semantics/altIdentifier/scopus/Scopus ID: 2-s2.0-84966267382 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84966267382&partnerID=40&md5=7079671a43c9d40699cf2ae1bb464420 info:eu-repo/semantics/article 2016 ftenea https://doi.org/20.500.12079/321710.5194/acp-16-4725-2016 2024-03-06T00:14:12Z Long-range transport of biomass burning (BB) aerosols between North America and the Mediterranean region took place in June 2013. A large number of ground-based and airborne lidar measurements were deployed in the western Mediterranean during the Chemistry-AeRosol Mediterranean EXperiment (ChArMEx) intensive observation period. A detailed analysis of the potential North American aerosol sources is conducted including the assessment of their transport to Europe using forward simulations of the FLEXPART Lagrangian particle dispersion model initialized using satellite observations by MODIS and CALIOP. The three-dimensional structure of the aerosol distribution in the ChArMEx domain observed by the ground-based lidars (Minorca, Barcelona and Lampedusa), a Falcon-20 aircraft flight and three CALIOP tracks, agrees very well with the model simulation of the three major sources considered in this work: Canadian and Colorado fires, a dust storm from western US and the contribution of Saharan dust streamers advected from the North Atlantic trade wind region into the westerlies region. Four aerosol types were identified using the optical properties of the observed aerosol layers (aerosol depolarization ratio, lidar ratio) and the transport model analysis of the contribution of each aerosol source: (i) pure BB layer, (ii) weakly dusty BB, (iii) significant mixture of BB and dust transported from the trade wind region, and (iv) the outflow of Saharan dust by the subtropical jet and not mixed with BB aerosol. The contribution of the Canadian fires is the major aerosol source during this episode while mixing of dust and BB is only significant at an altitude above 5 km. The mixing corresponds to a 20-30% dust contribution in the total aerosol backscatter. The comparison with the MODIS aerosol optical depth horizontal distribution during this episode over the western Mediterranean Sea shows that the Canadian fire contributions were as large as the direct northward dust outflow from Sahara. © Author(s) 2016. Article in Journal/Newspaper North Atlantic ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile) Atmospheric Chemistry and Physics 16 7 4725 4742 |
institution |
Open Polar |
collection |
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile) |
op_collection_id |
ftenea |
language |
English |
description |
Long-range transport of biomass burning (BB) aerosols between North America and the Mediterranean region took place in June 2013. A large number of ground-based and airborne lidar measurements were deployed in the western Mediterranean during the Chemistry-AeRosol Mediterranean EXperiment (ChArMEx) intensive observation period. A detailed analysis of the potential North American aerosol sources is conducted including the assessment of their transport to Europe using forward simulations of the FLEXPART Lagrangian particle dispersion model initialized using satellite observations by MODIS and CALIOP. The three-dimensional structure of the aerosol distribution in the ChArMEx domain observed by the ground-based lidars (Minorca, Barcelona and Lampedusa), a Falcon-20 aircraft flight and three CALIOP tracks, agrees very well with the model simulation of the three major sources considered in this work: Canadian and Colorado fires, a dust storm from western US and the contribution of Saharan dust streamers advected from the North Atlantic trade wind region into the westerlies region. Four aerosol types were identified using the optical properties of the observed aerosol layers (aerosol depolarization ratio, lidar ratio) and the transport model analysis of the contribution of each aerosol source: (i) pure BB layer, (ii) weakly dusty BB, (iii) significant mixture of BB and dust transported from the trade wind region, and (iv) the outflow of Saharan dust by the subtropical jet and not mixed with BB aerosol. The contribution of the Canadian fires is the major aerosol source during this episode while mixing of dust and BB is only significant at an altitude above 5 km. The mixing corresponds to a 20-30% dust contribution in the total aerosol backscatter. The comparison with the MODIS aerosol optical depth horizontal distribution during this episode over the western Mediterranean Sea shows that the Canadian fire contributions were as large as the direct northward dust outflow from Sahara. © Author(s) 2016. |
author2 |
Di Iorio, T. |
format |
Article in Journal/Newspaper |
author |
Di Iorio, T. |
spellingShingle |
Di Iorio, T. Long-range transport and mixing of aerosol sources during the 2013 North American biomass burning episode: Analysis of multiple lidar observations in the western Mediterranean basin |
author_facet |
Di Iorio, T. |
author_sort |
Di Iorio, T. |
title |
Long-range transport and mixing of aerosol sources during the 2013 North American biomass burning episode: Analysis of multiple lidar observations in the western Mediterranean basin |
title_short |
Long-range transport and mixing of aerosol sources during the 2013 North American biomass burning episode: Analysis of multiple lidar observations in the western Mediterranean basin |
title_full |
Long-range transport and mixing of aerosol sources during the 2013 North American biomass burning episode: Analysis of multiple lidar observations in the western Mediterranean basin |
title_fullStr |
Long-range transport and mixing of aerosol sources during the 2013 North American biomass burning episode: Analysis of multiple lidar observations in the western Mediterranean basin |
title_full_unstemmed |
Long-range transport and mixing of aerosol sources during the 2013 North American biomass burning episode: Analysis of multiple lidar observations in the western Mediterranean basin |
title_sort |
long-range transport and mixing of aerosol sources during the 2013 north american biomass burning episode: analysis of multiple lidar observations in the western mediterranean basin |
publisher |
Copernicus GmbH |
publishDate |
2016 |
url |
https://hdl.handle.net/20.500.12079/3217 https://doi.org/10.5194/acp-16-4725-2016 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84966267382&partnerID=40&md5=7079671a43c9d40699cf2ae1bb464420 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
volume:16 issue:7 numberofpages:4725 - 4742 journal:ATMOSPHERIC CHEMISTRY AND PHYSICS http://hdl.handle.net/20.500.12079/3217 doi:10.5194/acp-16-4725-2016 info:eu-repo/semantics/altIdentifier/scopus/Scopus ID: 2-s2.0-84966267382 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84966267382&partnerID=40&md5=7079671a43c9d40699cf2ae1bb464420 |
op_doi |
https://doi.org/20.500.12079/321710.5194/acp-16-4725-2016 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
16 |
container_issue |
7 |
container_start_page |
4725 |
op_container_end_page |
4742 |
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