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Advisor(s)
Abstract(s)
Characterizing the behaviour of the sea breeze phenomenon is the foremost factor in
the reduction in the heat stress and the achievement of the pleasant environment in coastal cities
globally. However, this seminal study shows that the Sea Breeze Front (SBF) development can
be related to an increase in outdoor thermal discomfort in a northeastern Brazilian city during
summer. We explored the relationship between SBF and thermal comfort conditions using in situ
meteorological observations, the SBF identification method, local climate zones (LCZs) classification,
and the Physiological Equivalent Temperature (PET) thermal comfort index. SBF days and Non-SBF
days were characterized in terms of weather conditions, combining meteorological data and technical
bulletins. SBF days included hot and sunny days associated with the centre of the Upper Tropospheric
Cyclonic Vortices (UTCV). In contrast, Non-SBF days were observed in UTCV’s periphery because of
cloudy sky and rainfall. The results showed that the mean temperature and PET in the SBF days
were 2.0 C and 3.8 C higher, respectively, compared to Non-SBF days in all LCZ sites. The highest
PET, of 40.0 C, was found on SBF days. Our findings suggest that SBF development could be an
aggravating factor for increasing heat stress of the people living in the northeastern coast of the
Brazilian city, after SBF passage.
Description
Keywords
See breeze front Outdoor thermal comfort Urban heat island Local climate zones
Pedagogical Context
Citation
Anjos, M., Lopes, A., Lucena, A., & Mendonça, F. (2020). Sea breeze front and outdoor thermal comfort during summer in Northeastern Brazil. Atmosphere, 11(9), 1013. https://doi.org/10.3390/atmos11091013
Publisher
MDPI