Arid
DOI10.3390/rs9070672
Understanding the Impact of Urbanization on Surface Urban Heat Islands-A Longitudinal Analysis of the Oasis Effect in Subtropical Desert Cities
Fan, Chao1,2; Myint, Soe W.1; Kaplan, Shai3; Middel, Ariane4; Zheng, Baojuan5; Rahman, Atiqur6; Huang, Huei-Ping7; Brazel, Anthony1; Blumberg, Dan G.8
通讯作者Fan, Chao
来源期刊REMOTE SENSING
ISSN2072-4292
出版年2017
卷号9期号:7
英文摘要

We quantified the spatio-temporal patterns of land cover/land use (LCLU) change to document and evaluate the daytime surface urban heat island (SUHI) for five hot subtropical desert cities (Beer Sheva, Israel; Hotan, China; Jodhpur, India; Kharga, Egypt; and Las Vegas, NV, USA). Sequential Landsat images were acquired and classified into the USGS 24-category Land Use Categories using object-based image analysis with an overall accuracy of 80% to 95.5%. We estimated the land surface temperature (LST) of all available Landsat data from June to August for years 1990, 2000, and 2010 and computed the urban-rural difference in the average LST and Normalized Difference Vegetation Index (NDVI) for each city. Leveraging non-parametric statistical analysis, we also investigated the impacts of city size and population on the urban-rural difference in the summer daytime LST and NDVI. Urban expansion is observed for all five cities, but the urbanization pattern varies widely from city to city. A negative SUHI effect or an oasis effect exists for all the cities across all three years, and the amplitude of the oasis effect tends to increase as the urban-rural NDVI difference increases. A strong oasis effect is observed for Hotan and Kharga with evidently larger NDVI difference than the other cities. Larger cities tend to have a weaker cooling effect while a negative association is identified between NDVI difference and population. Understanding the daytime oasis effect of desert cities is vital for sustainable urban planning and the design of adaptive management, providing valuable guidelines to foster smart desert cities in an era of climate variability, uncertainty, and change.


英文关键词surface urban heat island oasis effect subtropical desert cities remote sensing
类型Article
语种英语
国家USA ; Israel ; India
收录类别SCI-E ; SSCI
WOS记录号WOS:000406676800035
WOS关键词REMOTE-SENSING DATA ; LAND-SURFACE ; IMPERVIOUS SURFACE ; TEMPERATURE RETRIEVAL ; VEGETATION COVER ; SATELLITE DATA ; AREAS ; CITY ; PARAMETERS ; THERMOGRAPHY
WOS类目Remote Sensing
WOS研究方向Remote Sensing
来源机构Ben-Gurion University of the Negev ; Arizona State University
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/201955
作者单位1.Arizona State Univ, Sch Geog Sci & Urban Planning, Tempe, AZ 85287 USA;
2.Field Museum, Keller Sci Act Ctr, Chicago, IL 60605 USA;
3.Ben Gurion Univ Negev, Blaustein Inst Desert Res, IL-8499000 Beer Sheva, Israel;
4.Temple Univ, Dept Geog & Urban Studies, Philadelphia, PA 19122 USA;
5.South Dakota State Univ, Geospatial Sci Ctr Excellence, Brookings, SD 57007 USA;
6.Jamia Millia Islamia, Dept Geog, New Delhi 110025, India;
7.Arizona State Univ, Sch Engn Matter Transport & Energy, Tempe, AZ 85287 USA;
8.Ben Gurion Univ Negev, Res & Dev, IL-8499000 Beer Sheva, Israel
推荐引用方式
GB/T 7714
Fan, Chao,Myint, Soe W.,Kaplan, Shai,et al. Understanding the Impact of Urbanization on Surface Urban Heat Islands-A Longitudinal Analysis of the Oasis Effect in Subtropical Desert Cities[J]. Ben-Gurion University of the Negev, Arizona State University,2017,9(7).
APA Fan, Chao.,Myint, Soe W..,Kaplan, Shai.,Middel, Ariane.,Zheng, Baojuan.,...&Blumberg, Dan G..(2017).Understanding the Impact of Urbanization on Surface Urban Heat Islands-A Longitudinal Analysis of the Oasis Effect in Subtropical Desert Cities.REMOTE SENSING,9(7).
MLA Fan, Chao,et al."Understanding the Impact of Urbanization on Surface Urban Heat Islands-A Longitudinal Analysis of the Oasis Effect in Subtropical Desert Cities".REMOTE SENSING 9.7(2017).
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