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Hashem Akbari
Researcher at Concordia University
Publications - 169
Citations - 15626
Hashem Akbari is an academic researcher from Concordia University. The author has contributed to research in topics: Urban heat island & Roof. The author has an hindex of 60, co-authored 165 publications receiving 13769 citations. Previous affiliations of Hashem Akbari include University of California, Berkeley & Concordia University Wisconsin.
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Cool surfaces and shade trees to reduce energy use and improve air quality in urban areas
TL;DR: In this article, an analysis of temperature trends for the last 100 years in several large U.S. cities indicate that, since ∼1940, temperatures in urban areas have increased by about 0.5-3.0°C.
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Cool communities: strategies for heat island mitigation and smog reduction
TL;DR: In this article, the authors proposed to adopt "cool communities" strategies of reroofing and repaying in lighter colors and planting shade trees can effect substantial energy savings, directly and indirectly.
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Global Cooling: Increasing World-Wide Urban Albedos to Offset CO2
TL;DR: In this article, the authors estimate that increasing the world-wide albedos of urban roofs and paved surfaces will induce a negative radiative forcing on the earth equivalent to offsetting about 44 Gt of CO2 emissions.
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Estimating the effect of using cool coatings on energy loads and thermal comfort in residential buildings in various climatic conditions
TL;DR: In this paper, the impact of using cool roof coatings on cooling and heating loads and the indoor thermal comfort conditions of residential buildings for various climatic conditions is estimated, and the results show that increasing the roof solar reflectance reduces cooling loads by 18-93% and peak cooling demand in air-conditioned buildings by 11-27%.
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Mitigation of urban heat islands: materials, utility programs, updates
Arthur H. Rosenfeld,Hashem Akbari,Sarah Bretz,Beth L. Fishman,Dan M. Kurn,David J. Sailor,Haider Taha +6 more
TL;DR: In this paper, the spectral reflectance of various white coatings and building materials that might be labeled in such a program is examined, and the results of meteorological and smog simulations for the Los Angeles Basin are discussed.