...
首页> 外文期刊>Building and Environment >Similarities and disparities in urban local heat islands responsive to regular-, stable-, and counter-urbanization: A case study of Guangzhou, China
【24h】

Similarities and disparities in urban local heat islands responsive to regular-, stable-, and counter-urbanization: A case study of Guangzhou, China

机译:城市地方热岛的相似性和差异响应常规,稳定和反城区化 - 中国广州案例研究

获取原文
获取原文并翻译 | 示例
           

摘要

Understanding the dynamics and spatial heterogeneity of the intra-city surface heat island (herein termed the surface urban heat island, SUHI) is critical for the design of urban heat mitigation strategies. Large disparities in the spatiotemporal variations of SUHIs are anticipated under different urbanization processes. However, most previous studies have focused solely on the inter-annual spatiotemporal SUHI variations of regular urbanization, while those for stable- and counter-urbanization remain largely unknown. Based on the remote identification of these three urbanization types over Guangzhou, China, we propose a novel strategy to investigate simultaneously the spatiotemporal variations and the associated controls of SUHIs. Our results indicate that: (1) Counter-, regular-, and stable-urbanization occurs mainly over the city center, city periphery, and the in-between areas, respectively. (2) The three urbanization types all demonstrate similar and significant growth in the daytime local SUHI intensity (SUHII). (3) There are significant disparities in the contributions of controls to the inter-annual daytime SUHII trends for these three urbanization processes. For the regular urbanization, the increase of the impervious surface percentage (ISP) dominates daytime SUHII growth, while the combination of ISP and residual factors (e.g., background climate and 3D urban geometry) leads for counter urbanization. For stable urbanization, the combination of residual controls and the increase in population density is the major factor. Urban divisional management may contribute to the mitigation of intra-city SUHI. Our findings potentially advance our understanding of changes in urban thermal environment under different urbanization processes.
机译:了解城市地表热岛(这里称为地表城市热岛,Suhi)的动态和空间异质性对于城市热缓解策略的设计至关重要。在不同的城市化过程中预期了Suhis的时空变化的大差异。然而,最先前的研究完全集中在常规城市化的年度春季苏海变化,而稳定和反城区化的人则仍然很大程度上。根据广州广州这三种城市化类型的远程识别,我们提出了一种新的策略来同时调查时空变化和苏哈斯的相关控制。我们的结果表明:(1)反,常规和稳定城市化分别主要发生在市中心,城市周边和在间地区。 (2)三种城市化类型全部表现出白天当地苏海强度(Suhii)的类似和显着增长。 (3)对今年三届城市化进程的年度白天苏联趋势的控制贡献存在显着差异。对于常规城市化,不透水表面百分比(ISP)的增加主导了白天苏海的增长,而ISP和剩余因子(例如,背景气候和3D城市几何形状)的结合将导致柜台城市化。对于稳定的城市化,残留控制的组合和人口密度的增加是主要因素。城市分区管理可能有助于缓解城市苏利。我们的调查结果可能会在不同的城市化过程下推动我们对城市热环境变化的理解。

著录项

  • 来源
    《Building and Environment》 |2021年第7期|107935.1-107935.13|共13页
  • 作者单位

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China|Jiangsu Ctr Collaborat Innovat Geog Informat Reso Nanjing 210023 Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

    South China Normal Univ Sch Geog Guangzhou 510631 Peoples R China;

    Nanjing Univ Int Inst Earth Syst Sci Jiangsu Prov Key Lab Geog Informat Sci & Technol Nanjing 210023 Jiangsu Peoples R China;

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

    Surface urban heat island; Thermal remote sensing; Land surface temperature; Urbanization type; Urban renewal;

    机译:表面城市热岛;热遥感;陆地温度;城市化类型;城市更新;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号