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090			_aB-17873
245	1	0	_aAtmospheric transport of soil dust from Africa to South America
490	0		_vNature, 289(5798), p.570, 1981
520	3		_aThe arid and desert regions of North Africa are a prolific source of atmospheric dust. This dust is, for example, responsible for the 'red snows' reported in the Alps and Pyrenees1 and for dust falls further north in Europe2-6, but these phenomena are infrequent and sporadic. By contrast, the transport of mineral dust into the tropical North Atlantic is common and often produces a widespread dense haze7. Investigations in the past 15 yr8-11 have shown that, in the summer months12,13, the distribution of dust is related to macro and micro-meteorological circumstances, that the dust often reaches altitudes of 5-7 km and that it may be spread over several hundreds of kilometres in latitude and extend to the Caribbean Sea and the south-east United States. We report here the results from an aerosol sampling station at Cayenne, French Guiana, which indicate that large quantities of soil dust are being carried out of North Africa and across the Atlantic during the winter months as well but at this time of year the transport is primarily to South America.
650	1	4	_aAEROSOL SAMPLING STATION
650	1	4	_aATLANTIC
650	1	4	_aCARIBBEAN SEA
650	1	4	_aCAYENNEDUST
650	1	4	_aFRENCH GUIANA
650	1	4	_aNORTH AFRICA
650	1	4	_aRESULTS
650	1	4	_aSE UNITED STATES
650	1	4	_aSOUTH AMERICA
650	1	4	_aSUMMER MONTHS
650	1	4	_aWINTER MONTHS
700	1	2	_aProspero, J. M.
700	1	2	_aGlaccum, R. A.
700	1	2	_aNees, R. T.
856	4	0	_uhttps://drive.google.com/file/d/1GEsCoCnVDQHLVt05sU3XEAHpoerIOgTn/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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