駐車場の舗装構造改善と緑化による夏季の温熱環境改善効果

概要

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The purpose of this study is to clarify the effects on reducing temperature by improving the pavements and planting turf or trees. The "water retention pavement" and the "reflective and permeable pavement" were settled on the car park. Turf with protecting material against the weight of cars was planted on another area. In addition to these three types of surfaces, gravel surface, regular asphalt and the area under shading trees were selected as other three types of surfaces. Surface temperature and underground temperature at 7cm depth were measured at those six types of the surface areas during summer in 2008. The lowest temperature was observed at the area under the shading tree. The next lower area was the turf. At the area of the "water retention pavement" and the "reflective and permeable pavement", the temperature were about 17degree C higher than the area under the shading tree, but about 10degree C lower than the area of the regular asphalt pavement at the hottest hours in mid summer. The globe temperatures were measured by using globe thermometers. The globe temperatures under the shading trees were almost as same as the air temperature. But the difference of globe temperature between the area under the shading tree and other area were more than 10degree C during mid day hours in sunny summer days.
社団法人　日本造園学会の論文