Articles | Volume 14, issue 21
https://doi.org/10.5194/acp-14-11753-2014
https://doi.org/10.5194/acp-14-11753-2014
Research article
 | 
11 Nov 2014
Research article |  | 11 Nov 2014

Aerosol characterization at the Saharan AERONET site Tamanrasset

C. Guirado, E. Cuevas, V. E. Cachorro, C. Toledano, S. Alonso-Pérez, J. J. Bustos, S. Basart, P. M. Romero, C. Camino, M. Mimouni, L. Zeudmi, P. Goloub, J. M. Baldasano, and A. M. de Frutos

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Cited articles

Alonso-Pérez, S., Cuevas, E., Querol, X., Viana, M., and Guerra, J. C.: Impact of the Saharan dust outbreaks on the ambient levels of total suspended particles (TSP) in the Marine Boundary Layer (MBL) of the Subtropical Eastern North Atlantic Ocean, Atmos. Environ., 41, 9468–9480, https://doi.org/10.1016/j.atmosenv.2007.08.049, 2007.
Alonso-Pérez, S., Cuevas, E., Querol, X., Guerra, J. C., and Pérez, C.: African dust source regions for observed dust outbreaks over the Subtropical Eastern North Atlantic region above 25° N, J. Arid Environ., 78, 100–109, https://doi.org/10.1016/j.jaridenv.2011.11.013, 2012.
Ångström, A.: On the atmospheric transmission of sun radiation and on dust in the air, Geogr. Ann., 2, 156–166, 1929.
Ashbaugh, L. L., Malm, W. C., and Sadeh, W. D.: A residence time probability analysis of sulfur concentrations at Grand Canyon National Park, Atmos. Environ., 19, 1263–1270, 1985.
Ashpole, I. and Washington, R.: Intraseasonal variability and atmospheric controls on daily dust occurrence frequency over the central and western Sahara during the boreal summer, J. Geophys. Res. Atmos., 118, 12915–12926, https://doi.org/10.1002/2013JD020267, 2013.
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Short summary
Tamanrasset, in the heart of the Sahara, is a key site for aerosol research. The analysis of more than 2 years (2006-2009) of AERONET and KCICLO-corrected sun photometer measurements shows that atmospheric aerosols at Tamanrasset are modulated by the Convective Boundary Layer leading to pure Saharan dust conditions (April-September) and very clear sky conditions (November-February). Dust potential sources and anthropogenic fine aerosols arriving at Tamanrasset are also identified.
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