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L'embat a l'illa de Mallorca

1998 
catalaEs presenta una revisio del concepte d’embat i de les condicions meteorologiques favorables per al desenvolupament d’aquesta circulacio local. Es fa una discussio particular per a l’illa de Mallorca. Es descriuen les caracteristiques de l’embat de mar a Mallorca, de les quals la mes important es una linia de convergencia al centre de l’illa. Es presenta una observacio d’aquesta linia de convergencia per satel·lit. Finalment s’inclouen dues simulacions numeriques de l’embat; la primera, amb un model senzill, bidimensional en el pla horitzontal, i la segona, amb un model mesoescalar tridimensional amb un tractament sofisticat dels processos superficials. EnglishA short revision of the breeze concept is presented. The favourable meteorological conditions for the development of such local circulation are considered with particular emphasis for the island of Mallorca. The major features of the sea breeze in Mallorca are discussed. The main characteristic is a convergence line in the centre of the island. A satellite observation of such convergence line is presented. Finally two numerical simulations of the sea breeze in Mallorca are included. The former uses a very simple bidimensional horizontal model and the second a tridimensional mesoscale model with sophisticate parameterization of the soil and surface processes.
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