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Microclimatic and Environmental Improvement in a Mediterranean City through the Regeneration of an Area with Nature-Based Solutions: A Case Study

Author

Listed:
  • Katia Perini

    (Department of Architecture and Design (DAD), University of Genoa, 16124 Genoa, Italy)

  • Chiara Calise

    (Department of Earth, Environment and Life Sciences (DISTAV), University of Genoa, 16124 Genoa, Italy)

  • Paola Castellari

    (Department of Architecture and Design (DAD), University of Genoa, 16124 Genoa, Italy)

  • Enrica Roccotiello

    (Department of Earth, Environment and Life Sciences (DISTAV), University of Genoa, 16124 Genoa, Italy)

Abstract

Dense urban areas are facing relevant issues related to their high vulnerability to the impacts of climate change and ecosystem health. The study presents a case study of a regeneration project with Nature-based Solutions in the city of Genoa (Italy) and, more specifically, in a neighbourhood characterised by relevant health and well-being issues. The performances of three design scenarios for a city hotspot, including plant species selected with a systemic approach and light pavements, are analysed in terms of improved microclimate by means of the ENVI-met software V4.4.5. The results show different benefits on the microclimate compared to the current state depending on the different scenarios: A UTCI decrease from 4.1 °C to 5.4 °C, a reduction of mean radiant temperature from 12.3 °C to 17.3 °C, a relative humidity increase from 3.8% to 5.6%, and a progressive decrease in wind speed are detected in a directly proportional way to the gradual increase in greenery inside the scenarios. In reverse, better results for air temperatures are detected for the scenario with less greening (Δt = 1.8 °C). The study relies on the re-parametrisation of plant species characteristics in the ENVI-met database to reach a high level of accuracy.

Suggested Citation

  • Katia Perini & Chiara Calise & Paola Castellari & Enrica Roccotiello, 2022. "Microclimatic and Environmental Improvement in a Mediterranean City through the Regeneration of an Area with Nature-Based Solutions: A Case Study," Sustainability, MDPI, vol. 14(10), pages 1-18, May.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:10:p:5847-:d:813614
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    References listed on IDEAS

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    1. Francesca Mosca & Giulia Maria Dotti Sani & Andrea Giachetta & Katia Perini, 2021. "Nature-Based Solutions: Thermal Comfort Improvement and Psychological Wellbeing, a Case Study in Genoa, Italy," Sustainability, MDPI, vol. 13(21), pages 1-18, October.
    2. Qin, Yinghong, 2015. "A review on the development of cool pavements to mitigate urban heat island effect," Renewable and Sustainable Energy Reviews, Elsevier, vol. 52(C), pages 445-459.
    3. Mahmoud Abu Ali & Khaled Alawadi & Asim Khanal, 2021. "The Role of Green Infrastructure in Enhancing Microclimate Conditions: A Case Study of a Low-Rise Neighborhood in Abu Dhabi," Sustainability, MDPI, vol. 13(8), pages 1-24, April.
    4. von Döhren, Peer & Haase, Dagmar, 2019. "Risk assessment concerning urban ecosystem disservices: The example of street trees in Berlin, Germany," Ecosystem Services, Elsevier, vol. 40(C).
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    Cited by:

    1. Saranathan Pragati & Radhakrishnan Shanthi Priya & Chandramouli Pradeepa & Ramalingam Senthil, 2023. "Simulation of the Energy Performance of a Building with Green Roofs and Green Walls in a Tropical Climate," Sustainability, MDPI, vol. 15(3), pages 1-17, January.
    2. Ahmed Mohamed Shehata, 2023. "Sustainable-Oriented Development for Urban Interface of Historic Centers," Sustainability, MDPI, vol. 15(3), pages 1-19, February.

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