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Study on the Thermal Effects and Air Quality Improvement of Green Roof

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  • Heng Luo

    (Jiangsu Key Laboratory of Intelligent Building Energy Efficiency, Suzhou University of Science and Technology, Suzhou 215009, China
    Suzhou Key Laboratory of Mobile Networking and Applied Technologies, Suzhou University of Science and Technology, Suzhou 215009, China)

  • Ning Wang

    (Suzhou Key Laboratory of Mobile Networking and Applied Technologies, Suzhou University of Science and Technology, Suzhou 215009, China)

  • Jianping Chen

    (Jiangsu Key Laboratory of Intelligent Building Energy Efficiency, Suzhou University of Science and Technology, Suzhou 215009, China
    Suzhou Key Laboratory of Mobile Networking and Applied Technologies, Suzhou University of Science and Technology, Suzhou 215009, China)

  • Xiaoyan Ye

    (Suzhou Key Laboratory of Mobile Networking and Applied Technologies, Suzhou University of Science and Technology, Suzhou 215009, China)

  • Yun-Fei Sun

    (Suzhou Key Laboratory of Mobile Networking and Applied Technologies, Suzhou University of Science and Technology, Suzhou 215009, China
    Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215009, China)

Abstract

Heat island phenomenon and air quality deterioration issues are two major problems that have occurred during the process of urbanization, especially in developing countries. A number of measures have been proposed, among which roof greening is considered as a promising one due to its outstanding performance in thermal effects as well as air quality improvement. A self-maintenance system, termed the Green Roof Manager (GRM), which comprises the irrigation and shadowing subsystems, is proposed in this paper, focusing on the automatic and reliable operation of the roof greening system rather than exploiting new plant species. A three month long experiment was set up, resulting in the observation that a 14.7% of, on average, temperature reduction can be achieved in summer after deploying the GRM system. During a 24-hour monitoring experiment the PM2.5 concentrations above the GRM was reduced by up to 14.1% over the bare roof.

Suggested Citation

  • Heng Luo & Ning Wang & Jianping Chen & Xiaoyan Ye & Yun-Fei Sun, 2015. "Study on the Thermal Effects and Air Quality Improvement of Green Roof," Sustainability, MDPI, vol. 7(3), pages 1-14, March.
    • Handle: RePEc:gam:jsusta:v:7:y:2015:i:3:p:2804-2817:d:46468
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    References listed on IDEAS

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    1. Ignacio Andrés-Doménech & Sara Perales-Momparler & Adrián Morales-Torres & Ignacio Escuder-Bueno, 2018. "Hydrological Performance of Green Roofs at Building and City Scales under Mediterranean Conditions," Sustainability, MDPI, vol. 10(9), pages 1-15, August.
    2. Joanna Badach & Małgorzata Dymnicka & Andrzej Baranowski, 2020. "Urban Vegetation in Air Quality Management: A Review and Policy Framework," Sustainability, MDPI, vol. 12(3), pages 1-28, February.
    3. Daniel Mora-Melià & Carlos S. López-Aburto & Pablo Ballesteros-Pérez & Pedro Muñoz-Velasco, 2018. "Viability of Green Roofs as a Flood Mitigation Element in the Central Region of Chile," Sustainability, MDPI, vol. 10(4), pages 1-19, April.
    4. Lilliana L. H. Peng & C. Y. Jim, 2015. "Seasonal and Diurnal Thermal Performance of a Subtropical Extensive Green Roof: The Impacts of Background Weather Parameters," Sustainability, MDPI, vol. 7(8), pages 1-16, August.
    5. Stefano Cascone, 2019. "Green Roof Design: State of the Art on Technology and Materials," Sustainability, MDPI, vol. 11(11), pages 1-27, May.
    6. Yu Chen & Jacopo Gaspari, 2023. "Exploring an Integrated System for Urban Stormwater Management: A Systematic Literature Review of Solutions at Building and District Scales," Sustainability, MDPI, vol. 15(13), pages 1-16, June.
    7. Maria Luíza Santos & Cristina Matos Silva & Filipa Ferreira & José Saldanha Matos, 2023. "Hydrological Analysis of Green Roofs Performance under a Mediterranean Climate: A Case Study in Lisbon, Portugal," Sustainability, MDPI, vol. 15(2), pages 1-18, January.

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