岡山大学資源生物科学研究所における屋上緑化による建物冷却効果

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  • オカヤマ ダイガク シゲン セイブツ カガク ケンキュウジョ ニ オケル オクジョウ リョッカ ニ ヨル タテモノ レイキャク コウカ
  • Cooling effect on buildings by the roof greening at Research Institute for Bioresources, Okayama University

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Abstract

Roof greening is known to be environmentally friendly technology. Recently developed new roof greening systems, such as the thin-layer/Excel soil© system and the wetland type greening system, were tested at the roof top of buildings of Research Institute for Bioresources, Okayama University. After a multi-year test, these new systems have been established during high-temperature and less-rainfall summer seasons in the south Okayama region. Data indicated that roof greening effectively reduced the temperature of the concrete surface (more than 10°C). The room temperature under the green roof was also reduced both in a stock room (up to 6°C) and in an office room (about 2°C). We also provided the estimation indicating that this roof greening is useful for the decrease in CO(2) emission through the reduction of the electric power for air-conditioning in the summer.

Journal

  • 環境制御

    環境制御 31 21-25, 2009-12

    岡山大学環境管理センター

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