Applying MODIS and landsat images for evaluating urban cool Island effect

Yu Qi Lin, Tzu Heng Chou, Sendo Wang

研究成果: 會議貢獻類型會議論文同行評審

摘要

Both MODIS and Landsat 8 provide the land surface temperature (LST) images, but their images areslightly different both in the spatial resolution and in the calculation of LST. The MODIS retrieves LST from thermalinfrared response at the spatial resolution of 1 kilometer, whereas the Landsat 8 images retrieve LST from band 10and 11 thermal infrared response with the spatial resolution of 30 meters. These differences are the focus of this paperand are evaluated in the process of finding urban cool islands (UCI). Taipei City is selected as our research area. Theheat generated from high-rise buildings and artificial impervious surfaces in Taipei results in the urban heat islands.Yet, there are also several urban parks with high-density vegetation coverage where can cool down the surfacetemperature of the city. Thus, we expect to acquire large-scale LST by multi-temporal MODIS and Landsat 8 images,considering the relationship between the green area in downtown and the spatial resolution of images, and assessinghow large the green area may result in the UCI. Finally, we also use the temperature actually measured by the groundweather station for validation, analyzing whether both of two images can be used to evaluate the UCI effect.

原文英語
頁面1807-1816
頁數10
出版狀態已發佈 - 2018
事件39th Asian Conference on Remote Sensing: Remote Sensing Enabling Prosperity, ACRS 2018 - Kuala Lumpur, 马来西亚
持續時間: 2018 10月 152018 10月 19

會議

會議39th Asian Conference on Remote Sensing: Remote Sensing Enabling Prosperity, ACRS 2018
國家/地區马来西亚
城市Kuala Lumpur
期間2018/10/152018/10/19

ASJC Scopus subject areas

  • 電腦科學應用
  • 資訊系統
  • 地球與行星科學(全部)
  • 電腦網路與通信

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