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Dust rains in Mallorca (Western Mediterranean); Their occurence and role in some recent geological processes

Auteurs :
FIOL, L.I.
FORNÓS, J.J.
GELABERT, B.
GUIJARRO, J.A.

Description :
Dust rains were observed in Palma de Mallorca on 253 days in the 22-year period from 1982 to 2003. These and other data from the Western Mediterranean show that dust rains are on the increase. Most occur in the warmest season of the year. Meteorological conditions associated with this phenomenon combine hot advection from the south at low tropospheric levels with southwest winds associated with a depression in the middle troposphere. Dry deposition of dust, often in aggregates is occasionally observed. Analysed samples are silty and mainly composed of quartz and kaolinite. Dust deposition is an important sedimentary process in the Balearic Islands.


Type de document :
Article de périodique

Source :
Catena (Giessen), issn : 0341-8162, 2005, vol. 63, n°. 1, p. 64-84, nombre de pages : 21, Collation : Illustration, Références bibliographiques : 41 ref.

Date :
2005

Editeur :
Pays édition : Allemagne, Cremlingen-Destedt, Catena

Langue :
Anglais
Droits :
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