大分市の夜間の気温分布 : 約20年前との比較

概要

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Distributions of nocturnal air temperature are observed on days with clear weather and then compared with previous observations of approximately 20 years ago. The observed area lies from downtown Oita to Oita University, located in a suburban hilly area. The warmest area is found in the downtown, located on the western-side estuary region of the Oita River. These features are consistent with the previous observations. However the recent temperature difference between Oita University and the surrounding area is reduced by 1〜2℃ compared to the previous ones. It is plausible that this is caused by land use change due to urbanization around Oita University in the last 20 years.
2003-08-31