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The footprint of urban heat island effect in China

Scientific reports, 2015-06, Vol.5 (1), p.11160-11160, Article 11160 [Peer Reviewed Journal]

Copyright Nature Publishing Group Jun 2015 ;Copyright © 2015, Macmillan Publishers Limited 2015 Macmillan Publishers Limited ;ISSN: 2045-2322 ;EISSN: 2045-2322 ;DOI: 10.1038/srep11160 ;PMID: 26060039

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  • Title:
    The footprint of urban heat island effect in China
  • Author: Zhou, Decheng ; Zhao, Shuqing ; Zhang, Liangxia ; Sun, Ge ; Liu, Yongqiang
  • Subjects: Cities ; Climate effects ; Estimates ; Laboratories ; Rural areas ; Temperature ; Temperature effects ; Trends ; Urban areas ; Urban heat islands ; Urbanization ; Winter
  • Is Part Of: Scientific reports, 2015-06, Vol.5 (1), p.11160-11160, Article 11160
  • Description: Urban heat island (UHI) is one major anthropogenic modification to the Earth system that transcends its physical boundary. Using MODIS data from 2003 to 2012, we showed that the UHI effect decayed exponentially toward rural areas for majority of the 32 Chinese cities. We found an obvious urban/rural temperature "cliff", and estimated that the footprint of UHI effect (FP, including urban area) was 2.3 and 3.9 times of urban size for the day and night, respectively, with large spatiotemporal heterogeneities. We further revealed that ignoring the FP may underestimate the UHI intensity in most cases and even alter the direction of UHI estimates for few cities. Our results provide new insights to the characteristics of UHI effect and emphasize the necessity of considering city- and time-specific FP when assessing the urbanization effects on local climate.
  • Publisher: England: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 2045-2322
    EISSN: 2045-2322
    DOI: 10.1038/srep11160
    PMID: 26060039
  • Source: PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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