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Evaluating mitigation strategies for urban heat island in Mandaue City using ENVI-met by Aiza Cortes; Arnold Jesfel Rejuso; Justine Ace Santos; Ariel Blanco is a Social Sciences article available to read on EtoBox.

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Mandaue is a crucial city in Cebu island, Philippines as it links other large metropolises and is highly industrialized. The occurrence of urban heat island (UHI) in Mandaue was already confirmed by a previous study. In this paper, we aim to determine how UHI in Mandaue could be improved by mitigations including increasing vegetation, adding open spaces, employing green roofs and/or a combination thereof. ENVI-met software was utilized to simulate two study sites: M. C. Briones street and the planned urban development (PUD). To reduce computing load, M. C. Briones street was further divided into 2 subareas and PUD into 4 subareas. Results of the simulation indicate that addition of more urban spaces and trees could decrease air temperature by 0.2 °C on average while green roof could decrease air temperature by an average range of 0.2 °C–0.4 °C. When a combination of trees, grasses and green roof is used, air temperature could be decreased by an average range of 0.1 °C–0.3 °C. Despite these mitigations, thermal comfort index in Mandaue would still be greater than 26 °C which means that majority of the people would feel uncomfortable. On the other hand, addition of more urban s

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Author

Aiza Cortes; Arnold Jesfel Rejuso; Justine Ace Santos; Ariel Blanco

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Social Sciences