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Article: Microscale mobile monitoring of urban air temperature

TitleMicroscale mobile monitoring of urban air temperature
Authors
KeywordsAir temperature
Mobile monitoring
Spatial variability
Microscale measurements
Hot weather
Issue Date2016
Citation
Urban Climate, 2016, v. 18, p. 58-72 How to Cite?
Abstract© 2016 The Authors Background Mobile air temperature monitoring is a promising method to better understand temperature distributions at fine spatial resolutions across urban areas. The study objectives were to collect microscale measurements for evaluate different data sources used to assess heat exposure in greater Vancouver, Canada. Methods Mobile air temperature monitoring was conducted on foot at least twice for each of 20 routes. First, the mobile data were compared with 1-minute measurements from the nearest fixed site. Second, the mobile data from runs corresponding with Landsat overpass days were compared with satellite-derived land surface temperature (LST). Third, the mobile data were compared with estimates from a previously developed heat map for the region. Results Mobile measurements were typically higher and more variable than simultaneous fixed site measurements. Correlations between mobile measurements and LST were weak and highly variable (r2= 0.04–0.38). The z-score differentials between mobile measurements and the heat map suggested that spatial variability in temperatures is captured by the heat map. Conclusion Microscale measurements confirm that fixed sites do not characterize the variability in thermal conditions within nearby streetscapes. Microscale monitoring of air temperatures is a valuable tool for temporally and spatially evaluating other high resolution temperature data within small areas.
Persistent Identifierhttp://hdl.handle.net/10722/265503
ISSN
2023 Impact Factor: 6.0
2023 SCImago Journal Rankings: 1.318
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTsin, Pak Keung-
dc.contributor.authorKnudby, Anders-
dc.contributor.authorKrayenhoff, E. Scott-
dc.contributor.authorHo, Hung Chak-
dc.contributor.authorBrauer, Michael-
dc.contributor.authorHenderson, Sarah B.-
dc.date.accessioned2018-12-03T01:20:51Z-
dc.date.available2018-12-03T01:20:51Z-
dc.date.issued2016-
dc.identifier.citationUrban Climate, 2016, v. 18, p. 58-72-
dc.identifier.issn2212-0955-
dc.identifier.urihttp://hdl.handle.net/10722/265503-
dc.description.abstract© 2016 The Authors Background Mobile air temperature monitoring is a promising method to better understand temperature distributions at fine spatial resolutions across urban areas. The study objectives were to collect microscale measurements for evaluate different data sources used to assess heat exposure in greater Vancouver, Canada. Methods Mobile air temperature monitoring was conducted on foot at least twice for each of 20 routes. First, the mobile data were compared with 1-minute measurements from the nearest fixed site. Second, the mobile data from runs corresponding with Landsat overpass days were compared with satellite-derived land surface temperature (LST). Third, the mobile data were compared with estimates from a previously developed heat map for the region. Results Mobile measurements were typically higher and more variable than simultaneous fixed site measurements. Correlations between mobile measurements and LST were weak and highly variable (r2= 0.04–0.38). The z-score differentials between mobile measurements and the heat map suggested that spatial variability in temperatures is captured by the heat map. Conclusion Microscale measurements confirm that fixed sites do not characterize the variability in thermal conditions within nearby streetscapes. Microscale monitoring of air temperatures is a valuable tool for temporally and spatially evaluating other high resolution temperature data within small areas.-
dc.languageeng-
dc.relation.ispartofUrban Climate-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectAir temperature-
dc.subjectMobile monitoring-
dc.subjectSpatial variability-
dc.subjectMicroscale measurements-
dc.subjectHot weather-
dc.titleMicroscale mobile monitoring of urban air temperature-
dc.typeArticle-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1016/j.uclim.2016.10.001-
dc.identifier.scopuseid_2-s2.0-84998828031-
dc.identifier.volume18-
dc.identifier.spage58-
dc.identifier.epage72-
dc.identifier.isiWOS:000409187100003-
dc.identifier.issnl2212-0955-

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