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On the time varying mitigation performance of reflective geoengineering technologies in cities

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  • Lontorfos, V.
  • Efthymiou, C.
  • Santamouris, M.

Abstract

Cities face important overheating problems caused by the local and global climate change. Detailed mitigation and adaptation plans and strategies, are designed and applied to counterbalance the impact of the overheating challenges. Albedo management seems to be among the more considered mitigation strategies. A barrier to the wider use of reflecting technologies is the lack of quantitative experimental data and concrete knowledge about their mitigation contribution. Up to now, the performance of the reflective mitigation technologies is assessed based on simulation results considering the initial optical properties of the materials and neglecting ageing and weatherization phenomena. The article present information on the global performance of reflecting mitigation technologies, as measured in a large scale urban mitigation project employing several types of reflecting technologies. It is shown, that because of the weatherization effects, the mitigation potential of the materials is reduced, during the first year after their installation, by at least, 25%. Despite the ageing effects, reflective pavements have found to contribute in reducing the peak summer ambient temperature up to 1,7 K, while their surface temperature was up to 12,3 K lower than that of conventional pavement reducing considerably the sensible heat released to the atmosphere.

Suggested Citation

  • Lontorfos, V. & Efthymiou, C. & Santamouris, M., 2018. "On the time varying mitigation performance of reflective geoengineering technologies in cities," Renewable Energy, Elsevier, vol. 115(C), pages 926-930.
    • Handle: RePEc:eee:renene:v:115:y:2018:i:c:p:926-930
    DOI: 10.1016/j.renene.2017.09.033
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    References listed on IDEAS

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    1. Lei Zhao & Xuhui Lee & Ronald B. Smith & Keith Oleson, 2014. "Strong contributions of local background climate to urban heat islands," Nature, Nature, vol. 511(7508), pages 216-219, July.
    2. Taleb, Dana & Abu-Hijleh, Bassam, 2013. "Urban heat islands: Potential effect of organic and structured urban configurations on temperature variations in Dubai, UAE," Renewable Energy, Elsevier, vol. 50(C), pages 747-762.
    3. Shahrestani, Mehdi & Yao, Runming & Luo, Zhiwen & Turkbeyler, Erdal & Davies, Hywel, 2015. "A field study of urban microclimates in London," Renewable Energy, Elsevier, vol. 73(C), pages 3-9.
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    Cited by:

    1. Kristian Fabbri & Jacopo Gaspari & Alessia Costa & Sofia Principi, 2022. "The Role of Architectural Skin Emissivity Influencing Outdoor Microclimatic Comfort: A Case Study in Bologna, Italy," Sustainability, MDPI, vol. 14(22), pages 1-18, November.
    2. Stella Tsoka & Katerina Tsikaloudaki & Theodoros Theodosiou & Dimitrios Bikas, 2020. "Urban Warming and Cities’ Microclimates: Investigation Methods and Mitigation Strategies—A Review," Energies, MDPI, vol. 13(6), pages 1-25, March.
    3. Stella Tsoka & Katerina Tsikaloudaki & Theodoros Theodosiou, 2019. "Coupling a Building Energy Simulation Tool with a Microclimate Model to Assess the Impact of Cool Pavements on the Building’s Energy Performance Application in a Dense Residential Area," Sustainability, MDPI, vol. 11(9), pages 1-16, April.
    4. Zhang, Hongjie & Yao, Runming & Luo, Qing & Wang, Wenbo, 2022. "A mathematical model for a rapid calculation of the urban canyon albedo and its applications," Renewable Energy, Elsevier, vol. 197(C), pages 836-851.
    5. Patryk Antoszewski & Dariusz Świerk & Michał Krzyżaniak, 2020. "Statistical Review of Quality Parameters of Blue-Green Infrastructure Elements Important in Mitigating the Effect of the Urban Heat Island in the Temperate Climate (C) Zone," IJERPH, MDPI, vol. 17(19), pages 1-36, September.
    6. Santamouris, M. & Yun, Geun Young, 2020. "Recent development and research priorities on cool and super cool materials to mitigate urban heat island," Renewable Energy, Elsevier, vol. 161(C), pages 792-807.

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