Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean

In the framework of the ChArMEx (the Chemistry-Aerosol Mediterranean Experiment; http://charmex.lsce.ipsl.fr/) program, the seasonal variability of the aerosol optical, microphysical and radiative properties derived from AERONET (Aerosol Robotic Network; http://aeronet.gsfc.nasa.gov/) is examined in...

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Authors: Sicard, Michaël|||0000-0001-8287-9693, Barragán Cuesta, Rubén, Dulac, F, Alados Arboledas, Lucas, Mallet, Marc
Format: article
Publication Date:2016
Country:España
Institution:Universitat Politècnica de Catalunya (UPC)
Repository:UPCommons. Portal del coneixement obert de la UPC
Language:English
OAI Identifier:oai:upcommons.upc.edu:2117/97878
Online Access:https://hdl.handle.net/2117/97878
https://dx.doi.org/10.5194/acp-16-12177-2016
Access Level:Open access
Keyword:Remote sensing
Physics
Teledetecció
Física
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció
Àrees temàtiques de la UPC::Física
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repository_id_str
spelling Aerosol optical, microphysical and radiative properties at regional background insular sites in the western MediterraneanSicard, Michaël|||0000-0001-8287-9693Barragán Cuesta, RubénDulac, FAlados Arboledas, LucasMallet, MarcRemote sensingPhysicsTeledeteccióFísicaÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::TeledeteccióÀrees temàtiques de la UPC::FísicaIn the framework of the ChArMEx (the Chemistry-Aerosol Mediterranean Experiment; http://charmex.lsce.ipsl.fr/) program, the seasonal variability of the aerosol optical, microphysical and radiative properties derived from AERONET (Aerosol Robotic Network; http://aeronet.gsfc.nasa.gov/) is examined in two regional background insular sites in the western Mediterranean Basin: Ersa (Corsica Island, France) and Palma de Mallorca (Mallorca Island, Spain). A third site, Alborán (Alborán Island, Spain), with only a few months of data is considered for examining possible northeast–southwest (NE–SW) gradients of the aforementioned aerosol properties. The AERONET dataset is exclusively composed of level 2.0 inversion products available during the 5-year period 2011–2015. AERONET solar radiative fluxes are compared with ground- and satellite-based flux measurements. To the best of our knowledge this is the first time that AERONET fluxes are compared with measurements at the top of the atmosphere. Strong events (with an aerosol optical depth at 440¿nm greater than 0.4) of long-range transport aerosols, one of the main drivers of the observed annual cycles and NE–SW gradients, are (1) mineral dust outbreaks predominant in spring and summer in the north and in summer in the south and (2) European pollution episodes predominant in autumn. A NE–SW gradient exists in the western Mediterranean Basin for the aerosol optical depth and especially its coarse-mode fraction, which all together produces a similar gradient for the aerosol direct radiative forcing. The aerosol fine mode is rather homogeneously distributed. Absorption properties are quite variable because of the many and different sources of anthropogenic particles in and around the western Mediterranean Basin: North African and European urban areas, the Iberian and Italian peninsulas, most forest fires and ship emissions. As a result, the aerosol direct forcing efficiency, more dependent to absorption than the absolute forcing, has no marked gradient.Peer Reviewed20162016-09-2820162016-12-07journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/97878https://dx.doi.org/10.5194/acp-16-12177-2016reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)InglésengEuropean Commission http://dx.doi.org/10.13039/100011102 Seventh Framework Programme 262254 Aerosols, Clouds, and Trace gases Research Infrastructure NetworkEuropean Commission http://doi.org/10.13039/100010661 Horizon 2020 Framework Programme 654109 Aerosols, Clouds, and Trace gases Research InfraStructureopen accesshttp://purl.org/coar/access_right/c_abf2http://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/978782026-05-27T15:37:01Z
dc.title.none.fl_str_mv Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean
title Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean
spellingShingle Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean
Sicard, Michaël|||0000-0001-8287-9693
Remote sensing
Physics
Teledetecció
Física
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció
Àrees temàtiques de la UPC::Física
title_short Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean
title_full Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean
title_fullStr Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean
title_full_unstemmed Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean
title_sort Aerosol optical, microphysical and radiative properties at regional background insular sites in the western Mediterranean
dc.creator.none.fl_str_mv Sicard, Michaël|||0000-0001-8287-9693
Barragán Cuesta, Rubén
Dulac, F
Alados Arboledas, Lucas
Mallet, Marc
author Sicard, Michaël|||0000-0001-8287-9693
author_facet Sicard, Michaël|||0000-0001-8287-9693
Barragán Cuesta, Rubén
Dulac, F
Alados Arboledas, Lucas
Mallet, Marc
author_role author
author2 Barragán Cuesta, Rubén
Dulac, F
Alados Arboledas, Lucas
Mallet, Marc
author2_role author
author
author
author
dc.subject.none.fl_str_mv Remote sensing
Physics
Teledetecció
Física
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció
Àrees temàtiques de la UPC::Física
topic Remote sensing
Physics
Teledetecció
Física
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció
Àrees temàtiques de la UPC::Física
description In the framework of the ChArMEx (the Chemistry-Aerosol Mediterranean Experiment; http://charmex.lsce.ipsl.fr/) program, the seasonal variability of the aerosol optical, microphysical and radiative properties derived from AERONET (Aerosol Robotic Network; http://aeronet.gsfc.nasa.gov/) is examined in two regional background insular sites in the western Mediterranean Basin: Ersa (Corsica Island, France) and Palma de Mallorca (Mallorca Island, Spain). A third site, Alborán (Alborán Island, Spain), with only a few months of data is considered for examining possible northeast–southwest (NE–SW) gradients of the aforementioned aerosol properties. The AERONET dataset is exclusively composed of level 2.0 inversion products available during the 5-year period 2011–2015. AERONET solar radiative fluxes are compared with ground- and satellite-based flux measurements. To the best of our knowledge this is the first time that AERONET fluxes are compared with measurements at the top of the atmosphere. Strong events (with an aerosol optical depth at 440¿nm greater than 0.4) of long-range transport aerosols, one of the main drivers of the observed annual cycles and NE–SW gradients, are (1) mineral dust outbreaks predominant in spring and summer in the north and in summer in the south and (2) European pollution episodes predominant in autumn. A NE–SW gradient exists in the western Mediterranean Basin for the aerosol optical depth and especially its coarse-mode fraction, which all together produces a similar gradient for the aerosol direct radiative forcing. The aerosol fine mode is rather homogeneously distributed. Absorption properties are quite variable because of the many and different sources of anthropogenic particles in and around the western Mediterranean Basin: North African and European urban areas, the Iberian and Italian peninsulas, most forest fires and ship emissions. As a result, the aerosol direct forcing efficiency, more dependent to absorption than the absolute forcing, has no marked gradient.
publishDate 2016
dc.date.none.fl_str_mv 2016
2016-09-28
2016
2016-12-07
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/97878
https://dx.doi.org/10.5194/acp-16-12177-2016
url https://hdl.handle.net/2117/97878
https://dx.doi.org/10.5194/acp-16-12177-2016
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv European Commission http://dx.doi.org/10.13039/100011102 Seventh Framework Programme 262254 Aerosols, Clouds, and Trace gases Research Infrastructure Network
European Commission http://doi.org/10.13039/100010661 Horizon 2020 Framework Programme 654109 Aerosols, Clouds, and Trace gases Research InfraStructure
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2

http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2

http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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