OBSERVATIONS ABOUT COOL-ISLAND PHENOMENA IN URBAN PARK

摘要

Green space in urban area have been expected to mitigate the urban heat island as well as water surface. In Japan, its cooling effect in hot and humid summer is especially important and it is considered as a natural resource to be available for city planning. In this paper, we show the results of micro-climatological observations performed in and around large park "Shinjyuku Gyoen" during summer. Its area is 58.3ha, and located in one of the main CBD with Tokyo Metropolitan Government Office. It consists of dense forest area, lawn area, and some kinds of garden with pond. Topography is almost flat but few meter low area around ponds. There is no irrigation system here, water supply is only natural rain.