The Amazon river breeze and the local boundary layer: I. Observations |
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| Authors: | Amauri Pereira de Oliveira David R Fitzjarrald |
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| Institution: | (1) Departamento de Meteorología, Instituto Astronômico e Geofísico, Universidade de São Paulo, Brazil;(2) Atmospheric Sciences Research Center, State University of New York, 12205, USA |
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| Abstract: | Observations of the diurnal evolution of the planetary boundary layer over the Amazon rain forest, made at sites close to the confluence of the Solimões and Negro rivers (approximately at 3°S, 60°W) near Manaus, Amazonas, Brazil, show the existence of a diurnal rotation of the wind near the surface and the frequent presence of low-level nocturnal wind maxima. These circulations are shown to be plausibly explained as elements of a river and land breeze circulation induced by the thermal contrast between the rivers and the adjacent forest. |
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