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      IMPACT OF PAVEMENT THICKNESS ON SURFACE DIURNAL TEMPERATURES

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          Abstract

          Simulations of pavement surface temperature were carried out using a one-dimensional mathematical model developed previously based on a fundamental energy balance. By altering the parameters input to the model, an analysis was conducted to study the effects on the diurnal pavement temperatures caused by varying paving material and thicknesses. Such study offers an understanding of the optimum thicknesses for the materials to yield cooler surface temperatures by reducing heat absorption. This model can assist in determining appropriate mitigation strategies for the Urban Heat Island effect and human discomfort. The results indicated that there exists a critical layer thickness at which the maximum surface temperature is minimized. Further increase beyond the critical thickness results in adverse maximum and minimum surface temperatures. The study also shows that high albedo concrete cement surfaces have cooler surface temperatures as compared to lower-albedo asphalt-based surface pavements.

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          Most cited references 26

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          Cool surfaces and shade trees to reduce energy use and improve air quality in urban areas

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            Mitigation of urban heat islands: materials, utility programs, updates

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              The Built Environment Induced Urban Heat Island Effect in Rapidly Urbanizing Arid Regions – A Sustainable Urban Engineering Complexity

               Jay Golden (2004)
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                Author and article information

                Journal
                jgrb
                Journal of Green Building
                College Publishing
                1552-6100
                1943-4618
                1943-4618
                Spring 2007
                : 2
                : 2
                : 121-130
                Author notes

                1.Department of Mechanical & Aerospace Engineering, The National Center of Excellence on SMART Innovations for Urban Climate + Energy, Arizona State University, Tempe, AZ 85287-6106.

                2.Department of Mechanical & Aerospace Engineering, The National Center of Excellence on SMART Innovations for Urban Climate + Energy, Arizona State University, Tempe, AZ 85287-6106. Corresponding author. Tel.: (480)965-1625, Fax: (480)965-1384, E-mail: phelan@ 123456asu.edu .

                3.Department of Civil & Environmental Engineering, The National Center of Excellence on SMART Innovations for Urban Climate + Energy, Arizona State University, Tempe, AZ 85287-5306.

                4.School of Sustainability, The National Center of Excellence on SMART Innovations for Urban Climate + Energy, Arizona State University, Tempe, AZ 85287-3211.

                Article
                jgb.2.2.121
                10.3992/jgb.2.2.121
                ©2007 by College Publishing. All rights reserved.

                Volumes 1-7 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/

                Page count
                Pages: 10
                Product
                Categories
                RESEARCH ARTICLES

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