Arid
DOI10.1002/2015GL066534
Urban climate modifications in hot desert cities: The role of land cover, local climate, and seasonality
Lazzarini, Michele1,2; Molini, Annalisa1; Marpu, Prashanth R.1; Ouarda, Taha B. M. J.1; Ghedira, Hosni1
通讯作者Molini, Annalisa
来源期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2015
卷号42期号:22页码:9980-9989
英文摘要

Urban climate modifications like the urban heat island (UHI) have been extensively investigated in temperate regions. In contrast, the understanding of how urbanization relates to climate in hot, hyperarid environments is still extremely limited, despite the growing socioeconomic relevance of arid lands and their fast urbanization rate. We explore here the relationship between land cover and temperature regime in hot desert cities (HDCs) based on estimates of land surface temperature, normalized difference vegetation index, and impervious surface areas inferred from Moderate Resolution Imaging Spectroradiometer and Landsat satellite products. Our analysis shows that HDCs display common climatic patterns, with downtown areas on average cooler than suburbs during the daytime (urban cool island) and warmer at night (classical UHI). The observed diurnal cool island effect can be largely explained by relative vegetation abundance, percentage of bare soil, and local climatic conditions and calls for a more in deep investigation of the physical processes regulating boundary layer dynamics in arid regions.


类型Article
语种英语
国家U Arab Emirates ; Spain
收录类别SCI-E
WOS记录号WOS:000368343200046
WOS关键词DIFFERENCE VEGETATION INDEX ; HEAT-ISLAND ; GLOBAL CHANGE ; TEMPERATURE ; SURFACE ; MODIS ; INDICATORS ; INVERSION
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/187553
作者单位1.Masdar Inst Sci & Technol, Inst Ctr Water & Environm iWater, Abu Dhabi, U Arab Emirates;
2.European Union Satellite Ctr, Madrid, Spain
推荐引用方式
GB/T 7714
Lazzarini, Michele,Molini, Annalisa,Marpu, Prashanth R.,et al. Urban climate modifications in hot desert cities: The role of land cover, local climate, and seasonality[J],2015,42(22):9980-9989.
APA Lazzarini, Michele,Molini, Annalisa,Marpu, Prashanth R.,Ouarda, Taha B. M. J.,&Ghedira, Hosni.(2015).Urban climate modifications in hot desert cities: The role of land cover, local climate, and seasonality.GEOPHYSICAL RESEARCH LETTERS,42(22),9980-9989.
MLA Lazzarini, Michele,et al."Urban climate modifications in hot desert cities: The role of land cover, local climate, and seasonality".GEOPHYSICAL RESEARCH LETTERS 42.22(2015):9980-9989.
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