HR: 0800h
AN: A51C-03    [Abstracts]
TI: West afican monsoon in the gulf of Guinea
AU: * Edjamé, K
EM: sedjame@tg.refer.org
AF: University of Lomé, Faculty of Sciences (FDS), Lomé, TGO , Togo
AB: In the gulf of Guinea the rainfall regimes depend largely on the phenomenon of the monsoon. Thus, the arrival of this air mass, strongly wet, on the west African airspace due to its oceanic origin coincides with the starting of major rainfall activities. Considering the rainfall distribution along the gulf coast we can note that only the coming of the monsoon is not enough to account for the spreading of the rainfall regimes. Other parameters will be taken into account in the development of the process resulting in the formation of rainfall. The identification of all these parameters is significant to understand the functionning of the monsoon which gives rise to the regional rainfall distribution. In west Africa the harmattan is another favorable factor which could help undersand the nature of the future weather over the great rainy season. No other parameter today will yield the force of the harmattan. It will not be useless to identify a sery of parameters better describing this phenomenon characterised by a weather exceptionelly hazy in the day during which the content of different solid aerosols of the atmospheric air reaches unusual heigth. It would be interesting to establish the relation of cause and effect between the force of harmattan at the end of the great dry season and the nature of the great rainy season which comes later together with the coming of the monsoon. Could the proportion of the solid aerosol in the air during the harmattan influence one way or the other the coming rainy season~?
UR: http:www.agu.org
DE: 3300 ATMOSPHERIC PROCESSES
SC: Atmospheric Sciences [A]
MN: 2007 Joint Assembly