Case study and numerical simulation of the summer regional circulation in São Paulo,Brazil |
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| Authors: | Maria A F Silva Dias Pier Luigi Vidale Cintia M R Blanco |
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| Institution: | (1) Department of Atmospheric Sciences, Institute of Astronomy and Geophysics, University of São Paulo, Ruo do Matão 1226, CEP 05508-900 São Paulo, SP, Brazil;(2) Present address: Department of Atmospheric Sciences, CSU, Fort Collins, Co., USA;(3) Present address: FUNCEME, Ceará, Brazil |
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| Abstract: | The three-dimensional mesoscale circulation in the vicinity of the city of São Paulo is examined through model simulations validated by observational data obtained during a field experiment. The complex terrain surrounding the plateau where the city is located, plus proximity to the sea, represent the local controls on the wind field with implications for boundary-layer transport of atmospheric constitutents. The coupling of a regional-scale circulation with slope and sea-breeze circulations is an important feature which determines the wind regime in São Paulo in a summer situation not influenced by frontal systems. |
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