Estimation of turbulence production by nocturnal low-level jets in Sao Paulo (Brazil)
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2016
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REMOTE SENSING TECHNOLOGIES AND APPLICATIONS IN URBAN ENVIRONMENTS
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Two Doppler lidars were recently used to collect data from the planetary boundary layer (PBL) in Sao Paulo city
(23º32’S, 46 º38’W). The measurement campaign was carried out from December-2015 to February-2016, during the
summer, which is the rainy season. Although Sao Paulo is the main city of a huge metropolitan region with more than 11
million of inhabitants and 7 millions of vehicles, according to the government agencies, the lack of PBL observational
data is still a limitation for the atmospheric dispersion studies. Therefore, this work should contribute to the
comprehension of PBL mechanisms and also for future atmospheric modeling studies. The data revealed that the
nocturnal low-level jets (LLJs) frequently occurred along those 3 months, but its height is highly variable, from 100 m
up to 650 m. It was also seen that the nocturnal LLJs can extend for several hours, right before the sunset until sunrise.
This work aims to investigate the turbulence production by the nocturnal LLJs and its influence into the stable boundary
layer (SBL).
Como referenciar
BEU, CASSIA M.L.; MARQUES, MARCIA T.A.; NAKAEMA, WALTER M.; SAKAGAMI, YOSHIAKI; SANTOS, PEDRO A.A.; MOREIRA, A.C. de C.A.; LANDULFO, EDUARDO. Estimation of turbulence production by nocturnal low-level jets in Sao Paulo (Brazil). In: ERBERTSEDER, THILO (ed.); ESCH, THOMAS (ed.); CHRYSOULAKIS, NEKTARIOS (ed.). In: REMOTE SENSING TECHNOLOGIES AND APPLICATIONS IN URBAN ENVIRONMENTS, September 26, 2016, Edinburgh, United Kingdom. Proceedings... (SPIE Proceedings Series, 10008). Disponível em: http://repositorio.ipen.br/handle/123456789/26964. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.