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Analysis of Urban Surface Temperature Change during Heat Wave Using UAV Thermal Infrared Camera

  • Journal of the Association of Korean Geographers
  • Abbr : JAKG
  • 2019, 8(1), pp.47-60
  • DOI : 10.25202/JAKG.8.1.4
  • Publisher : Association of Korean Geographers
  • Research Area : Social Science > Geography
  • Received : November 28, 2018
  • Accepted : February 20, 2019
  • Published : April 30, 2019

Dongwoo Kim 1,  Jae Jin Yu 1,  Jeongho Yoon 1,  Son Seungwoo 1

1한국환경정책·평가연구원

Accredited

ABSTRACT

In this study, we analyze the surface temperature change in the urban during the heatwave, we constructed a time-series orthomosaic image with thermal infrared camera based on UAV (Unmanned Aerial Vehicle), and analyzed the surface temperature change by the difference calculation by orthomosaic image. As a result, from the morning to the afternoon, the increase in surface temperature was found to be higher in the order of artificial facilities such as buildings, roads, barrens, fields, and vegetations. Also, it was found that the surface temperature was lowered due to the influence of the shadow due to the sun altitude, and the surface temperature change was also different depending on the material and color of the facility of roof. The results of this study are meaningful as a study to analyze the surface temperature changes according to the land use and building in the urban surface based on the high resolution thermal image.

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