DESIGNING LANDUSE PATTERNS TO MITIGATE THE URBAN HEAT ISLAND PHENOMENON IN CONSIDERATION OF OCEAN WIND FLOW AND OPENSPACE VOIDS

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  • 海風のヒートアイランド現象緩和効果を活かした土地利用計画に関する調査研究
  • カイフウ ノ ヒートアイランド ゲンショウ カンワ コウカ オ イカシタ トチ リヨウ ケイカク ニ カンスル チョウサ ケンキュウ ジッソク チョウサ ニ モトズク Void クウカン ノ ヒートアイランド カンワ コウカ
  • 実測調査にもとづくVoid空間のヒートアイランド緩和効果

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Abstract

Adjusting land use zoning and open-spaces formed by roads and buildings intervals to leverage the cooling effect of naturally occurring air temperature gradients that form due to proximity to the ocean can be an effective method to regulate urban temperature profiles. Based on temperature readings taken in August 2006 using 20 primarily train-station mounted thermometers in Kanagawa, Japan, this paper analyzes links between 1) air temperature, 2) distance from the ocean, and 3) five simplified categories of land cover: buildings and vegetation (two 3-D elements); plus waterways, roads, and “urban-space” between buildings (three 2-D “void” spaces). Of the three types of voids, a cooling affect was seen from urban-space in areas close to the ocean, but not inland, whereas significantly lower temperatures were observed from road voids in inland regions with comparatively high housing densities.

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