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      THERMAL PERFORMANCE OF AN EXTENSIVE GREEN ROOF UNDER SEMI-ARID CONDITIONS IN CENTRAL ARGENTINA

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          ABSTRACT

          Extensive green roofs improve the provision of ecosystem services in urban environments, particularly in semiarid regions. The aim of this paper is to compare their thermal performance during six months between two rooms, one with a green roof and the other with a conventional roof, in Córdoba (Argentina). The room with a green (planting) roof showed a lower inside surface temperature since the beginning of the study than the control room (between 5–6°C of difference). During the selected period, the indicators such as temperature amplitude (the difference between the maximum and the average temperature) and the anti-interference characteristics of the layers to the outdoor air temperature are produced a better performance for the green roof compared to the conventional roof. The pattern of a better performance was consistent across the study for the green roof, characterized by a higher cooling and warming of the roof surface during the day and night, respectively. The green roof was more effective at blocking an upward heat flux during the day and suppressing heat loss during the night. Evaporation, conductive flux and climatic conditions seem to dominate the thermal performance of green roofs in areas with semiarid climate conditions.

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          Most cited references37

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          Substrate moisture effect on water balance and thermal regime of a tropical extensive green roof

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            Green roof retrofit: building urban resilience.

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              Effect of greening on light roofing on lowering temperature

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                Author and article information

                Journal
                jgrb
                Journal of Green Building
                College Publishing
                1943-4618
                1552-6100
                Winter 2021
                15 February 2021
                : 16
                : 1
                : 17-42
                Author notes
                [ 1. ]

                IRNASUS (Facultad de Ciencias Agropecuarias—Facultad de Arquitectura; Universidad Católica de Córdoba-CONICET)

                [ 2 ]

                Instituto de Etiquetación Edilicia Urbana, Colegio de Arquitectos de la Provincia de Córdoba

                [ 3 ]

                Departamento de Diversidad Biológica y Ecología, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba e Instituto Multidisciplinario de Biología Vegetal (CONICET-UNC)

                [ 4 ]

                AER INTA Agencia de Extensión Rural, Presidente Roca esquina La Coruña, Córdoba

                * Corresponding author: Imhof Lelia, IRNASUS (Facultad de Ciencias Agropecuarias—Facultad de Arquitectura; Universidad Católica de Córdoba-CONICET), Av Armada Argentina 3555 (Córdoba, Argentina); leliaimhof@ 123456gmail.com.
                Article
                i1943-4618-16-1-17
                10.3992/jgb.16.1.17
                aa3e464b-483f-415f-81cc-342a676c4fbc

                Volumes 1-10 of JOGB are open access and do not require permission for use, though proper citation should be given. To view the licenses, visit https://creativecommons.org/licenses/by-nc/4.0/

                History
                Page count
                Pages: 26
                Categories
                RESEARCH ARTICLES

                Urban design & Planning,Civil engineering,Environmental management, Policy & Planning,Architecture,Environmental engineering
                extensive green roofs,thermal performance,semiarid region

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