Preprint Article Version 1 This version is not peer-reviewed

Leftover Spaces for the Mitigation of Urban Heat Island in Municipal Beirut

Version 1 : Received: 27 May 2018 / Approved: 28 May 2018 / Online: 28 May 2018 (13:21:28 CEST)

How to cite: Kaloustian, N.; Aouad, D.; Battista, G..; Zinzi, M.. Leftover Spaces for the Mitigation of Urban Heat Island in Municipal Beirut. Preprints 2018, 2018050408 (doi: 10.20944/preprints201805.0408.v1). Kaloustian, N.; Aouad, D.; Battista, G..; Zinzi, M.. Leftover Spaces for the Mitigation of Urban Heat Island in Municipal Beirut. Preprints 2018, 2018050408 (doi: 10.20944/preprints201805.0408.v1).

Abstract

The Urban Heat Island (UHI) is one of the more serious consequences of urbanization resulting in impacts on thermal comfort levels, heat stress, and even mortality. For Municipal Beirut, implementation of “cool” surface materials and green spaces have been recommended to counterbalance the UHI. This paper builds on previous findings on the topic of non-constructible parcels within the district of Bachoura in Municipal Beirut and examines the possibility of implementing “cool” surface or paving materials and urban vegetation which can improve thermal conditions especially during the summer period and with the viewto project the positive findings of this case study to the entire Municipal Beirut area. A numerical analysis using ENVI-met 4.0 investigates the thermal performance of these non-constructibles further to implementation of high reflective surfaces and urban vegetation within a broad neighborhood scale in Bachoura. Results show reductions in ambient temperatures up to 1K on a summer day.. Within the framework of an integrated approach to planning, this form of urban acupuncture aims for substantial UHI reduction. Energy performance of buildings further to implementation of these mitigation measures is also recommended for future studies and to validate the findings in this paper.

Subject Areas

urban heat island; non-constructible parcels; cool surfaces; urban vegetation; envi met; mitigation measures; beirut

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