HEAT ISLAND STRUCTURE IN FUKUOKA METROPOLITAN AREA IN THE SUMMER SEASON AND WINTER SEASON

摘要

In order to examine the structure of urban heat island in Fukuoka metropolitan area, thermometers have been put in 71 instrument shelters of elementary schools in this area since summer of 2003. In the daytime of summer and winter, heat island intensities are small. The heat island intensities get largest in the nighttime of winter. A typical heat island pattern is seen in the nighttime of summer. The temperature difference of the high temperature and low temperature is almost 2.0 deg C. In the nighttime of winter, an isothermal lines side by side from the coastline to inland area. The temperature difference is almost 3.0 deg C.