Role of City Texture in Urban Heat Islands at Nighttime

被引：76

作者：

Sobstyl, J. M. ^{[1
]}

Emig, T. ^{[2
,3
]}

Qomi, M. J. Abdolhosseini ^{[4
]}

Ulm, F-J. ^{[1
,2
]}

Pellenq, R. J. -M. ^{[1
,2
,5
]}

机构：

[1] MIT, Dept Civil & Environm Engn, Concrete Sustainabil Hub, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[2] MIT, Energy Initiat, UMI MSE2, CNR MIT AMU Joint Lab MultiScale Mat Sci Energy &, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[3] Univ Paris Saclay, CNRS, UMR 8626, Lab Phys Theor & Modeles Stat, F-91405 Orsay, France

[4] Univ Calif Irvine, Adv Infrastruct Mat Sustainabil Lab AIMS Lab, Dept Civil & Environm Engn, Henry Samueli Sch Engn, E4130 Engn Gateway, Irvine, CA 92697 USA

[5] Aix Marseille Univ, CNRS, CiNaM, Ctr Interdisciplinaire Nanosci Marseille, Campus Luminy, F-13288 Marseille 9, France

来源：

PHYSICAL REVIEW LETTERS | 2018年 / 120卷 / 10期

关键词：

IDEAL CONDITIONS; CLIMATE-CHANGE; CITIES; SIMULATION; GEOMETRY; ENERGY; HEALTH; IMPACT; MODEL;

D O I：

10.1103/PhysRevLett.120.108701

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An urban heat island (UHI) is a climate phenomenon that results in an increased air temperature in cities when compared to their rural surroundings. In this Letter, the dependence of an UHI on urban geometry is studied. Multiyear urban-rural temperature differences and building footprints data combined with a heat radiation scaling model are used to demonstrate for more than 50 cities worldwide that city texture-measured by a building distribution function and the sky view factor-explains city-to-city variations in nocturnal UHIs. Our results show a strong correlation between nocturnal UHIs and the city texture.

引用

页数：6

共 30 条

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