Articles | Volume 21, issue 3
https://doi.org/10.5194/acp-21-1815-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-21-1815-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
10 Feb 2021
Research article |
| 10 Feb 2021
| 10 Feb 2021
PM2.5 surface concentrations in southern West African urban areas based on sun photometer and satellite observations
Jean-François Léon
CORRESPONDING AUTHOR
Laboratoire d'Aérologie, Université Paul Sabatier, CNRS, Toulouse, France
Aristide Barthélémy Akpo
Laboratoire de Physique du Rayonnement, Université d'Abomey Calavi, BP 526, Cotonou, Benin
Mouhamadou Bedou
Laboratoire de Physique de l'atmosphère, Université Félix-Houphouët-Boigny, Abidjan, Côte d'Ivoire
Julien Djossou
Laboratoire de Physique du Rayonnement, Université d'Abomey Calavi, BP 526, Cotonou, Benin
Marleine Bodjrenou
Laboratoire de Physique du Rayonnement, Université d'Abomey Calavi, BP 526, Cotonou, Benin
Véronique Yoboué
Laboratoire de Physique de l'atmosphère, Université Félix-Houphouët-Boigny, Abidjan, Côte d'Ivoire
Cathy Liousse
Laboratoire d'Aérologie, Université Paul Sabatier, CNRS, Toulouse, France
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Short summary
We have investigated the aerosol optical depth (AOD) and its relation to PM2.5 surface concentrations in southern West Africa based on in situ observations (2015–2017 period) and MODIS satellite data (2003–2019). MODIS AODs are validated using a regional network of handheld and automatic sun photometers. Satellite-derived PM2.5 shows an increasing trend during the short dry period that is possibly linked to the increase in anthropogenic emission over this area.
We have investigated the aerosol optical depth (AOD) and its relation to PM2.5 surface...
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