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A back trajectory model of the Sahara dust flux toward the Gulf of Guinea has been studied. First, the atmospheric circulation over North and West Africa in winter is obtained by the backward trajectory plots with NOAA HYSPLIT to establish the winds responsible for the dust transport. The 'box' model derived by Resch et al. (2007) is used to develop the back trajectory model equations. The dust particle...
The size distribution characteristics of the Saharan dust that is transported and deposited over many countries in the West African atmospheric environment (5°N) during the months of November to March, known locally as the Harmattan, have been determined over a 9-year period between 1996 and 2005, using a location in central Ghana (6° 40′N, 1° 34′W) as the reference geographical point. The particle...
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