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Spatial heterogeneity of the thermal environment based on the urban expansion of natural cities using open data in Guangzhou, China

机译:基于广州市广州市的城市扩建的基于城市扩张的热环境空间异质性

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摘要

The change in the urban thermal environment resulting from urban expansion is attracting increasing attention from researchers. In this research, the influence of the urban expansion process on the spatial heterogeneity of the thermal environment was analyzed, including quantitative research on urban expansion based on the natural city (NC) concept using open data and the footprint of the thermal environment (TE FP) model to reveal the influences in different time periods between 2014 and 2018 in Guangzhou, China. And the TE FP is an indication used to evaluate whether certain area is affected by the thermal environment of the NC. The results demonstrated the following. (1) The high-temperature area in Guangzhou was 2293.55 km(2) in 2014, 2330.24 km(2) in 2016, and 2609.81 km(2) in 2018 and expanded by 1.60% (2014-2016), 12.00% (2016-2018) and 13.79% (2014-2018), respectively. (2) The urban area increased from 182.10 km(2) in 2014 to 266.90 km(2) in 2018, which represented an increase by almost half, with an average annual expansion rate of 10.03%. (3) In 2014, 2016 and 2018, the area representing the TE FP consisted of the areas of five buffer zones, six buffer zones and eight buffer zones, respectively. This study provides a new approach to the study of urban expansion and a new perspective for exploring the influence of the urban expansion process on the spatial heterogeneity of the thermal environment.
机译:城市扩张导致的城市热环境的变化吸引了研究人员的越来越关注。在这项研究中,分析了城市扩张过程对热环境空间异质性的影响,包括基于自然城市(NC)概念的城市扩建定量研究,使用开放数据和热环境的占地面积(TE FP )模型揭示了2014年至2018年在中国广州不同时间段的影响。并且TE FP是用于评估某些区域是否受到NC的热环境的影响的指示。结果表明以下。 (1)2014年广州高温面积为2293.55公里,2016年2330.24公里,2018年260.81公里(2),并扩大了1.60%(2014-2016),12.00%(2016年) -2018)分别为13.79%(2014-2018)。 (2)2014年城市地区从182.10公里增加到2018年的266.90公里(2)(2)年,这一目标增加了几半,年均扩增率为10.03%。 (3)2014年,2016年和2018年,代表TE FP的区域分别由五个缓冲区,六个缓冲区和八个缓冲区的区域组成。本研究为城市扩张研究和探索城市扩建过程对热环境空间异质性的影响的新视角提供了一种新的方法。

著录项

  • 来源
    《Ecological indicators》 |2019年第9期|524-534|共11页
  • 作者单位

    Guangzhou Univ Sch Geog Sci Guangzhou 510006 Guangdong Peoples R China|Guangdong Prov Engn Technol Res Ctr Geog Condit M Guangzhou 510006 Guangdong Peoples R China;

    Guangzhou Univ Sch Geog Sci Guangzhou 510006 Guangdong Peoples R China|Guangdong Prov Engn Technol Res Ctr Geog Condit M Guangzhou 510006 Guangdong Peoples R China;

    Guangzhou Univ Sch Geog Sci Guangzhou 510006 Guangdong Peoples R China|Guangdong Prov Engn Technol Res Ctr Geog Condit M Guangzhou 510006 Guangdong Peoples R China;

    Guangzhou Univ Sch Geog Sci Guangzhou 510006 Guangdong Peoples R China;

    Guangzhou Univ Sch Geog Sci Guangzhou 510006 Guangdong Peoples R China|Univ Padua Dept Land Environm Agr & Forestry I-35100 Padua Italy;

    Guangzhou Univ Sch Geog Sci Guangzhou 510006 Guangdong Peoples R China;

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

    Urban expansion; Thermal environment; Spatial heterogeneity; Open data; Guangzhou;

    机译:城市扩张;热环境;空间异质性;开放数据;广州;

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