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首页> 外文期刊>Marine Geodesy >Spatiotemporal Variations in the Urban Heat Islands across the Coastal Cities in the Yangtze River Delta, China
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Spatiotemporal Variations in the Urban Heat Islands across the Coastal Cities in the Yangtze River Delta, China

机译：中国长江三角洲沿海城市城市热岛的时空变化

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摘要

Over 70% of the cities in China are experiencing urbanization, and urban heat island intensity (UHII) evaluation studies have been widely performed. However, under the rapid economic development in China, few studies on surface urban heat island (SUHI) interannual variations have been conducted in coastal cities in the leading economic region of the Yangtze River Delta. In this study, the long-term summer daytime SUHI from 2001 to 2019 is studied based on the remotely sensed land surface temperature (LST) in 11 coastal cities in the Yangtze River Delta. The results show that notable SUHIs occur in the study area with high spatial heterogeneity, particularly in the central area, including Shanghai, Hangzhou, and Ningbo. The SUHI trends are not synchronous across the study area, with suburban areas revealing higher trends than city center areas. In addition, all 11 cities show an increasing trend of the urban heat proportion index (UHPI) over 19 years, which is more profound in Shanghai and Zhoushan but less profound in Lianyungang and Wenzhou. The strong correlation between the UHPI and artificial impervious coverage indicates that artificial impervious coverage plays an important role in determining the spatial and temporal distributions of the summer daytime SUHI in the 11 coastal cities, which are especially notable in Ningbo and Taizhou.
机译：超过70％的中国城市正在经历城市化，城市热岛强度（UHII）评价研究已被广泛进行。然而，在中国的快速经济发展，沿海城市在长江三角洲的主要经济区沿海城市进行了很少有关于地表城市热岛（SUHI）际变化的研究。在这项研究中，从2001年到2019年的长期夏季白天苏提上了在长江三角洲11次沿海城市的遥感地表温度（LST）。结果表明，值得注意的苏哈斯在具有高空间异质性的研究区发生，特别是在中央区域，包括上海，杭州和宁波。 Suhi趋势在研究区不同步，郊区地区揭示了比市中心地区更高的趋势。此外，所有11个城市都展现了19年来的城市热比例指数（UHPI）的趋势越来越大，在上海和舟山中更加深刻，而是在连云港和温州的深刻。 UHPI与人工不利覆盖之间的强烈相关性表明，人工不利覆盖在确定11个沿海城市中夏季白天苏海的空间和时间分布起着重要作用，这在宁波和台州尤其显着。

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  • 来源
    《Marine Geodesy》 |2021年第5期|467-484|共18页
  • 作者

    Shi Xiao; Xu Yongming; Wang Guojie; Liu Yonghong; Wei Xikun; Hu Xue;

  • 作者单位

    Nanjing Univ Informat Sci & Technol Sch Geog Sci Nanjing Peoples R China|Jiangsu Meteorol Bur Meteorol Serv Ctr Nanjing Peoples R China;

    Nanjing Univ Informat Sci & Technol Sch Remote Sensing & Geomat Engn Nanjing Peoples R China;

    Nanjing Univ Informat Sci & Technol Sch Geog Sci Nanjing Peoples R China;

    Chinese Acad Meteorol Sci State Key Lab Severe Weather Beijing Peoples R China;

    Nanjing Univ Informat Sci & Technol Sch Geog Sci Nanjing Peoples R China;

    Nanjing Normal Univ Key Lab Virtual Geog Environm Minist Educ Nanjing Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Coastal cities; interannual variation; SUHI; UHPI; urbanization; Yangtze River Delta;

    机译：沿海城市;续际变异;苏希;UHPI;城市化;长江三角洲;

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