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Land cover aware temperature correction of bicycle transects : a case study of mapping the air temperature in two Belgian cities

Michiel Vieijra, Thomas Vergauwen (UGent) , Sara Top (UGent) , Rafiq Hamdi (UGent) and Steven Caluwaerts (UGent)
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Abstract
A low-threshold methodology for mapping the nocturnal air temperature in an urbanized region based on bicycle measurements and a number of in-situ weather stations is presented. Firstly, two corrections are applied on the bike measurements: a thermal inertia correction to account for the finite reaction speed of the temperature sensor and a temperature decline correction to offset the background temperature evolution during the mobile measurements. The latter includes for the first time land cover information to account for its impact on the nocturnal cooling rate. Secondly, a linear statistical model is used to produce regional maps of the air temperature based on the relationship between the corrected temperature and land cover around the bicycle transect. Applying this methodology on the Belgian cities of Antwerp and Ghent demonstrates that this low-threshold approach allows for a comprehensive picture of the air temperature and that it has advantages compared to more traditional decline corrections. Further improvements could be made by employing more accurate temperature sensors, applying more complex statistical models and performing multiple measurement campaigns per evening.
Keywords
Atmospheric Science, Urban Studies, Environmental Science (miscellaneous), Geography, Planning and Development, urban heat island, bicycle measurements, thermal inertia, temperature decline, land cover, mapping, Urban heat island, Bicycle measurements, Thermal inertia correction, Temperature decline correction, Land cover, Spatio-temporal temperature mapping, URBAN HEAT-ISLAND, SPATIAL VARIABILITY

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Citation

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MLA
Vieijra, Michiel, et al. “Land Cover Aware Temperature Correction of Bicycle Transects : A Case Study of Mapping the Air Temperature in Two Belgian Cities.” URBAN CLIMATE, vol. 50, 2023, doi:10.1016/j.uclim.2023.101578.
APA
Vieijra, M., Vergauwen, T., Top, S., Hamdi, R., & Caluwaerts, S. (2023). Land cover aware temperature correction of bicycle transects : a case study of mapping the air temperature in two Belgian cities. URBAN CLIMATE, 50. https://doi.org/10.1016/j.uclim.2023.101578
Chicago author-date
Vieijra, Michiel, Thomas Vergauwen, Sara Top, Rafiq Hamdi, and Steven Caluwaerts. 2023. “Land Cover Aware Temperature Correction of Bicycle Transects : A Case Study of Mapping the Air Temperature in Two Belgian Cities.” URBAN CLIMATE 50. https://doi.org/10.1016/j.uclim.2023.101578.
Chicago author-date (all authors)
Vieijra, Michiel, Thomas Vergauwen, Sara Top, Rafiq Hamdi, and Steven Caluwaerts. 2023. “Land Cover Aware Temperature Correction of Bicycle Transects : A Case Study of Mapping the Air Temperature in Two Belgian Cities.” URBAN CLIMATE 50. doi:10.1016/j.uclim.2023.101578.
Vancouver
1.
Vieijra M, Vergauwen T, Top S, Hamdi R, Caluwaerts S. Land cover aware temperature correction of bicycle transects : a case study of mapping the air temperature in two Belgian cities. URBAN CLIMATE. 2023;50.
IEEE
[1]
M. Vieijra, T. Vergauwen, S. Top, R. Hamdi, and S. Caluwaerts, “Land cover aware temperature correction of bicycle transects : a case study of mapping the air temperature in two Belgian cities,” URBAN CLIMATE, vol. 50, 2023.
@article{01HBR4XD58CY1XT9EFWSXVE16S,
  abstract     = {{A low-threshold methodology for mapping the nocturnal air temperature in an urbanized region based on bicycle measurements and a number of in-situ weather stations is presented. Firstly, two corrections are applied on the bike measurements: a thermal inertia correction to account for the finite reaction speed of the temperature sensor and a temperature decline correction to offset the background temperature evolution during the mobile measurements. The latter includes for the first time land cover information to account for its impact on the nocturnal cooling rate. Secondly, a linear statistical model is used to produce regional maps of the air temperature based on the relationship between the corrected temperature and land cover around the bicycle transect. Applying this methodology on the Belgian cities of Antwerp and Ghent demonstrates that this low-threshold approach allows for a comprehensive picture of the air temperature and that it has advantages compared to more traditional decline corrections. Further improvements could be made by employing more accurate temperature sensors, applying more complex statistical models and performing multiple measurement campaigns per evening.}},
  articleno    = {{101578}},
  author       = {{Vieijra, Michiel and Vergauwen, Thomas and Top, Sara and Hamdi, Rafiq and Caluwaerts, Steven}},
  issn         = {{2212-0955}},
  journal      = {{URBAN CLIMATE}},
  keywords     = {{Atmospheric Science,Urban Studies,Environmental Science (miscellaneous),Geography, Planning and Development,urban heat island,bicycle measurements,thermal inertia,temperature decline,land cover,mapping,Urban heat island,Bicycle measurements,Thermal inertia correction,Temperature decline correction,Land cover,Spatio-temporal temperature mapping,URBAN HEAT-ISLAND,SPATIAL VARIABILITY}},
  language     = {{eng}},
  pages        = {{18}},
  title        = {{Land cover aware temperature correction of bicycle transects : a case study of mapping the air temperature in two Belgian cities}},
  url          = {{http://doi.org/10.1016/j.uclim.2023.101578}},
  volume       = {{50}},
  year         = {{2023}},
}

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