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Journal Article: BibTeX citation key:  Bedou2007
Bedou, M., Konaré, A., Seidou-Sanda, I., Assamoi, E. & Diedhiou, A. (2007) Hygroscopic properties of aerosols in the Sahel: preliminary results. IN Scientific Research and Essays, 2. 177–183.
Added by: Fanny Lefebvre 2010-11-02 11:28:52
Categories: General
Creators: Assamoi, Bedou, Diedhiou, Konaré, Seidou-Sanda
Collection: Scientific Research and Essays

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Approximately three years of sunphotometric measurements carried out in the locality of Bidi (13.36°N; 2.30°W) in Burkina Faso (West Africa) from October 1986 to January 1989 were used to estimate the atmospheric precipitable water vapour (APW) and the Angstrom exponent values a. A study of the relationship between these two parameters on a seasonal time scale shows that an increase of water vapour in the Sahel is associated with a decrease of a values, indicating hygroscopic growth of aerosol particles. This result shows that the Sahel aerosol particles may grow in size through water vapour absorption due to hygroscopic properties.
Added by: Fanny Lefebvre