Analysis of the thermal environment and detailed land cover in Tokyo using on high resolution satellite image and LANDSTA8/TIRS image

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  • 高分解能衛星画像とLANDSAT8/TIRS画像による都心域の詳細土地被覆と熱環境の分析

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 As a result of the heat island phenomenon, it has been reported that there are significant increases in the number of tropical days and the sultry nights in Tokyo. Moreover, the mean temperature has risen by 3°C in the past 100 years. High resolution satellite remote sensing has not been used to analyze the relation between land cover and temperature rise in the city. The relation between detailed land cover and temperature gradient in the center of city was effectively displayed by overlapping the LANDSAT satellite imagery that had conventionally observed the temperature gradient with high resolution satellite Worldview-3 imagery. The temperature gradient by the LANDSAT satellite observation was verified by a ground survey. From these results, the relation between detailed land cover information by the high resolutionsatellite image and the temperature gradient distribution was established.

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