Sun photometer retrievals of saharan dust properties over barbados during saltrace
International audience The Saharan Aerosol Long-Range Transport and Aerosol–Cloud-Interaction Experiment (SALTRACE) was devoted to the investigation of Saharan dust properties over the Caribbean. The campaign took place in June–July 2013. A wide set of ground-based and airborne aerosol instrumentati...
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ftunivlille:oai:HAL:hal-04478498v1 2024-06-23T07:45:00+00:00 Sun photometer retrievals of saharan dust properties over barbados during saltrace Toledano, Carlos Torres, Benjamin Velasco-Merino, Cristian Althausen, Dietrich Gross, Silke Wiegner, Matthias Weinzierl, Bernadett Gasteiger, Josef Ansmann, Albert Gonzalez, Ramiro Mateos, David Farrel, David Haarig, Moritz Cachorro, Victoria E. Universidad de Valladolid Valladolid (UVa) Laboratoire d’Optique Atmosphérique - UMR 8518 (LOA) Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lille-Centre National de la Recherche Scientifique (CNRS) Leibniz Institute for Tropospheric Research (TROPOS) German Aerospace Center (DLR) Ludwig Maximilian University Munich = Ludwig Maximilians Universität München (LMU) Meteorologisches Institut München (MIM) Universität Wien = University of Vienna 2019-12-02 https://hal.univ-lille.fr/hal-04478498 https://hal.univ-lille.fr/hal-04478498/document https://hal.univ-lille.fr/hal-04478498/file/acp-19-14571-2019.pdf https://doi.org/10.5194/acp-19-14571-2019 en eng HAL CCSD European Geosciences Union info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-19-14571-2019 hal-04478498 https://hal.univ-lille.fr/hal-04478498 https://hal.univ-lille.fr/hal-04478498/document https://hal.univ-lille.fr/hal-04478498/file/acp-19-14571-2019.pdf doi:10.5194/acp-19-14571-2019 http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess ISSN: 1680-7316 EISSN: 1680-7324 Atmospheric Chemistry and Physics https://hal.univ-lille.fr/hal-04478498 Atmospheric Chemistry and Physics, 2019, Atmospheric Chemistry and Physics, 19, ⟨10.5194/acp-19-14571-2019⟩ [PHYS]Physics [physics] info:eu-repo/semantics/article Journal articles 2019 ftunivlille https://doi.org/10.5194/acp-19-14571-2019 2024-06-10T14:32:12Z International audience The Saharan Aerosol Long-Range Transport and Aerosol–Cloud-Interaction Experiment (SALTRACE) was devoted to the investigation of Saharan dust properties over the Caribbean. The campaign took place in June–July 2013. A wide set of ground-based and airborne aerosol instrumentation was deployed at the island of Barbados for a comprehensive experiment. Several sun photometers performed measurements during this campaign: two AERONET (Aerosol Robotic Network) Cimel sun photometers and the Sun and Sky Automatic Radiometer (SSARA). The sun photometers were co-located with the ground-based multi-wavelength lidars BERTHA (Backscatter Extinction lidar Ratio Temperature Humidity profiling Apparatus) and POLIS (Portable Lidar System). Aerosol properties derived from direct sun and sky radiance observations are analyzed, and a comparison with the co-located lidar and in situ data is provided. The time series of aerosol optical depth (AOD) allows identifying successive dust events with short periods in between in which the marine background conditions were observed. The moderate aerosol optical depth in the range of 0.3 to 0.6 was found during the dust periods. The sun photometer infrared channel at the 1640 nm wavelength was used in the retrieval to investigate possible improvements to aerosol size retrievals, and it was expected to have a larger sensitivity to coarse particles. The comparison between column (aerosol optical depth) and surface (dust concentration) data demonstrates the connection between the Saharan Air Layer and the boundary layer in the Caribbean region, as is shown by the synchronized detection of the successive dust events in both datasets. However the differences of size distributions derived from sun photometer data and in situ observations reveal the difficulties in carrying out a column closure study. Article in Journal/Newspaper Aerosol Robotic Network LillOA (HAL Lille Open Archive, Université de Lille) Atmospheric Chemistry and Physics 19 23 14571 14583 |
institution |
Open Polar |
collection |
LillOA (HAL Lille Open Archive, Université de Lille) |
op_collection_id |
ftunivlille |
language |
English |
topic |
[PHYS]Physics [physics] |
spellingShingle |
[PHYS]Physics [physics] Toledano, Carlos Torres, Benjamin Velasco-Merino, Cristian Althausen, Dietrich Gross, Silke Wiegner, Matthias Weinzierl, Bernadett Gasteiger, Josef Ansmann, Albert Gonzalez, Ramiro Mateos, David Farrel, David Haarig, Moritz Cachorro, Victoria E. Sun photometer retrievals of saharan dust properties over barbados during saltrace |
topic_facet |
[PHYS]Physics [physics] |
description |
International audience The Saharan Aerosol Long-Range Transport and Aerosol–Cloud-Interaction Experiment (SALTRACE) was devoted to the investigation of Saharan dust properties over the Caribbean. The campaign took place in June–July 2013. A wide set of ground-based and airborne aerosol instrumentation was deployed at the island of Barbados for a comprehensive experiment. Several sun photometers performed measurements during this campaign: two AERONET (Aerosol Robotic Network) Cimel sun photometers and the Sun and Sky Automatic Radiometer (SSARA). The sun photometers were co-located with the ground-based multi-wavelength lidars BERTHA (Backscatter Extinction lidar Ratio Temperature Humidity profiling Apparatus) and POLIS (Portable Lidar System). Aerosol properties derived from direct sun and sky radiance observations are analyzed, and a comparison with the co-located lidar and in situ data is provided. The time series of aerosol optical depth (AOD) allows identifying successive dust events with short periods in between in which the marine background conditions were observed. The moderate aerosol optical depth in the range of 0.3 to 0.6 was found during the dust periods. The sun photometer infrared channel at the 1640 nm wavelength was used in the retrieval to investigate possible improvements to aerosol size retrievals, and it was expected to have a larger sensitivity to coarse particles. The comparison between column (aerosol optical depth) and surface (dust concentration) data demonstrates the connection between the Saharan Air Layer and the boundary layer in the Caribbean region, as is shown by the synchronized detection of the successive dust events in both datasets. However the differences of size distributions derived from sun photometer data and in situ observations reveal the difficulties in carrying out a column closure study. |
author2 |
Universidad de Valladolid Valladolid (UVa) Laboratoire d’Optique Atmosphérique - UMR 8518 (LOA) Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lille-Centre National de la Recherche Scientifique (CNRS) Leibniz Institute for Tropospheric Research (TROPOS) German Aerospace Center (DLR) Ludwig Maximilian University Munich = Ludwig Maximilians Universität München (LMU) Meteorologisches Institut München (MIM) Universität Wien = University of Vienna |
format |
Article in Journal/Newspaper |
author |
Toledano, Carlos Torres, Benjamin Velasco-Merino, Cristian Althausen, Dietrich Gross, Silke Wiegner, Matthias Weinzierl, Bernadett Gasteiger, Josef Ansmann, Albert Gonzalez, Ramiro Mateos, David Farrel, David Haarig, Moritz Cachorro, Victoria E. |
author_facet |
Toledano, Carlos Torres, Benjamin Velasco-Merino, Cristian Althausen, Dietrich Gross, Silke Wiegner, Matthias Weinzierl, Bernadett Gasteiger, Josef Ansmann, Albert Gonzalez, Ramiro Mateos, David Farrel, David Haarig, Moritz Cachorro, Victoria E. |
author_sort |
Toledano, Carlos |
title |
Sun photometer retrievals of saharan dust properties over barbados during saltrace |
title_short |
Sun photometer retrievals of saharan dust properties over barbados during saltrace |
title_full |
Sun photometer retrievals of saharan dust properties over barbados during saltrace |
title_fullStr |
Sun photometer retrievals of saharan dust properties over barbados during saltrace |
title_full_unstemmed |
Sun photometer retrievals of saharan dust properties over barbados during saltrace |
title_sort |
sun photometer retrievals of saharan dust properties over barbados during saltrace |
publisher |
HAL CCSD |
publishDate |
2019 |
url |
https://hal.univ-lille.fr/hal-04478498 https://hal.univ-lille.fr/hal-04478498/document https://hal.univ-lille.fr/hal-04478498/file/acp-19-14571-2019.pdf https://doi.org/10.5194/acp-19-14571-2019 |
genre |
Aerosol Robotic Network |
genre_facet |
Aerosol Robotic Network |
op_source |
ISSN: 1680-7316 EISSN: 1680-7324 Atmospheric Chemistry and Physics https://hal.univ-lille.fr/hal-04478498 Atmospheric Chemistry and Physics, 2019, Atmospheric Chemistry and Physics, 19, ⟨10.5194/acp-19-14571-2019⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/acp-19-14571-2019 hal-04478498 https://hal.univ-lille.fr/hal-04478498 https://hal.univ-lille.fr/hal-04478498/document https://hal.univ-lille.fr/hal-04478498/file/acp-19-14571-2019.pdf doi:10.5194/acp-19-14571-2019 |
op_rights |
http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/acp-19-14571-2019 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
19 |
container_issue |
23 |
container_start_page |
14571 |
op_container_end_page |
14583 |
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1802644702689755136 |