Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008
International audience We present ground-based measurements of aerosol mass, optical properties and vertical extinction profiles acquired in M'Bour, Senegal (16.96° W; 14.39° N) from January 2006 to September 2008. This place of the world is all year long affected by the export of mineral dust...
Published in: | Atmospheric Chemistry and Physics |
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Language: | English |
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Online Access: | https://hal.science/hal-00992125 https://hal.science/hal-00992125/document https://hal.science/hal-00992125/file/acp-9-9249-2009.pdf https://doi.org/10.5194/acp-9-9249-2009 |
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ftutoulouse3hal:oai:HAL:hal-00992125v1 2024-09-15T18:23:45+00:00 Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008 J.F., Léon Y., Derimian I., Chiapello D., Tanré T., Podvin B., Chatenet C., Diallo A., Deroo Laboratoire d'aérologie (LAERO) Université Toulouse III - Paul Sabatier (UT3) Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP) Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France-Centre National de la Recherche Scientifique (CNRS) 2009 https://hal.science/hal-00992125 https://hal.science/hal-00992125/document https://hal.science/hal-00992125/file/acp-9-9249-2009.pdf https://doi.org/10.5194/acp-9-9249-2009 en eng HAL CCSD European Geosciences Union info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-9-9249-2009 hal-00992125 https://hal.science/hal-00992125 https://hal.science/hal-00992125/document https://hal.science/hal-00992125/file/acp-9-9249-2009.pdf doi:10.5194/acp-9-9249-2009 http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess ISSN: 1680-7316 EISSN: 1680-7324 Atmospheric Chemistry and Physics https://hal.science/hal-00992125 Atmospheric Chemistry and Physics, 2009, 9, pp.9249-9261. ⟨10.5194/acp-9-9249-2009⟩ [PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] info:eu-repo/semantics/article Journal articles 2009 ftutoulouse3hal https://doi.org/10.5194/acp-9-9249-2009 2024-06-25T00:08:54Z International audience We present ground-based measurements of aerosol mass, optical properties and vertical extinction profiles acquired in M'Bour, Senegal (16.96° W; 14.39° N) from January 2006 to September 2008. This place of the world is all year long affected by the export of mineral dust as it moves westward to the north Atlantic ocean. The maximum in the dust activity is observed in summer (June-July), corresponding to a maximum in the aerosol optical thickness (above 0.5) and single scattering albedo (above 0.95). It also corresponds to a maximum in the top altitude of the transported aerosol layer (up to 6 km) and aerosol optical thickness scale height (up to 3.5 km) due to the presence of the Saharan Air Layer located between 2 and 6 km. The late summer shows an additional low level aerosol layer that increases in thickness in autumn. Severe dust storms are also systematically observed in spring (March) but with a lower vertical development and a stronger impact (factor 2 to 3) on the ground-level mass compared to summer. Sporadic events of biomass burning aerosols are observed in winter (January) and particularly in January 2006 when the biomass burning aerosol are advected between 1.5 and 3.5 km high. On average, the seasonal signal in the aerosol optical properties and vertical distribution is very similar from year to year over our 3 year monitoring. Article in Journal/Newspaper North Atlantic Université Toulouse III - Paul Sabatier: HAL-UPS Atmospheric Chemistry and Physics 9 23 9249 9261 |
institution |
Open Polar |
collection |
Université Toulouse III - Paul Sabatier: HAL-UPS |
op_collection_id |
ftutoulouse3hal |
language |
English |
topic |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
spellingShingle |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] J.F., Léon Y., Derimian I., Chiapello D., Tanré T., Podvin B., Chatenet C., Diallo A., Deroo Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008 |
topic_facet |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph] |
description |
International audience We present ground-based measurements of aerosol mass, optical properties and vertical extinction profiles acquired in M'Bour, Senegal (16.96° W; 14.39° N) from January 2006 to September 2008. This place of the world is all year long affected by the export of mineral dust as it moves westward to the north Atlantic ocean. The maximum in the dust activity is observed in summer (June-July), corresponding to a maximum in the aerosol optical thickness (above 0.5) and single scattering albedo (above 0.95). It also corresponds to a maximum in the top altitude of the transported aerosol layer (up to 6 km) and aerosol optical thickness scale height (up to 3.5 km) due to the presence of the Saharan Air Layer located between 2 and 6 km. The late summer shows an additional low level aerosol layer that increases in thickness in autumn. Severe dust storms are also systematically observed in spring (March) but with a lower vertical development and a stronger impact (factor 2 to 3) on the ground-level mass compared to summer. Sporadic events of biomass burning aerosols are observed in winter (January) and particularly in January 2006 when the biomass burning aerosol are advected between 1.5 and 3.5 km high. On average, the seasonal signal in the aerosol optical properties and vertical distribution is very similar from year to year over our 3 year monitoring. |
author2 |
Laboratoire d'aérologie (LAERO) Université Toulouse III - Paul Sabatier (UT3) Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP) Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
J.F., Léon Y., Derimian I., Chiapello D., Tanré T., Podvin B., Chatenet C., Diallo A., Deroo |
author_facet |
J.F., Léon Y., Derimian I., Chiapello D., Tanré T., Podvin B., Chatenet C., Diallo A., Deroo |
author_sort |
J.F., Léon |
title |
Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008 |
title_short |
Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008 |
title_full |
Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008 |
title_fullStr |
Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008 |
title_full_unstemmed |
Aerosol vertical distribution and optical properties over M'Bour (16.96° W; 14.39° N), Senegal from 2006 to 2008 |
title_sort |
aerosol vertical distribution and optical properties over m'bour (16.96° w; 14.39° n), senegal from 2006 to 2008 |
publisher |
HAL CCSD |
publishDate |
2009 |
url |
https://hal.science/hal-00992125 https://hal.science/hal-00992125/document https://hal.science/hal-00992125/file/acp-9-9249-2009.pdf https://doi.org/10.5194/acp-9-9249-2009 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
ISSN: 1680-7316 EISSN: 1680-7324 Atmospheric Chemistry and Physics https://hal.science/hal-00992125 Atmospheric Chemistry and Physics, 2009, 9, pp.9249-9261. ⟨10.5194/acp-9-9249-2009⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-9-9249-2009 hal-00992125 https://hal.science/hal-00992125 https://hal.science/hal-00992125/document https://hal.science/hal-00992125/file/acp-9-9249-2009.pdf doi:10.5194/acp-9-9249-2009 |
op_rights |
http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/acp-9-9249-2009 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
9 |
container_issue |
23 |
container_start_page |
9249 |
op_container_end_page |
9261 |
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1810464017157718016 |