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The variation of air and surface temperatures in London within a 1km grid using vehicle-transect and ASTER data

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


Original languageEnglish
Title of host publication2017 Joint Urban Remote Sensing Event, JURSE 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509058082
Publication statusPublished - 10 May 2017
Externally publishedYes
Publication typeA4 Article in a conference publication
Event2017 Joint Urban Remote Sensing Event, JURSE 2017 - Dubai, United Arab Emirates
Duration: 6 Mar 20178 Mar 2017

Publication series

Name2017 Joint Urban Remote Sensing Event, JURSE 2017


Conference2017 Joint Urban Remote Sensing Event, JURSE 2017
CountryUnited Arab Emirates


Urbanisation can modify the local climate, increasing the temperature of cities compared to rural areas. This phenomenon is known as the Urban Heat Island (UHI), and this paper introduces a methodology to investigate the spatial variability of air and surface temperatures across London. In particular, this study aims to investigate if a widely used spatial resolution (1 km) is appropriate for heat-related health risk studies. Data from vehicle-transect and ASTER thermal images were overlaid on a reference grid of 1 km, used by UHI simulation models. The results showed higher variability of air temperature within some specific modelled grid cells in the city centre, while surface temperatures presented higher variability in the London borders. This investigation suggests that LST has larger variation levels and more grid cells with sub-grid variation above 1°C compared to air temperature measurements.