Abstract: Atmospheric ice nuclei concentrations were measured at Abidjan for 27 months, with a mixing chamber operated at ?20C. Seasonal variations appear to be linked to the position of the Intertropical Front. Air masses arriving ...

Abstract: Systematic measurements of cloud condensation nuclei (CCN) concentration have been carried out in the Abidjan area from December 1977 to June 1978, at 0700 local time (corresponding to a daily maximum). In that period of ...