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Impacts of Urban Green Space on Land Surface Temperature from Urban Block Perspectives

文献类型: 外文期刊

作者: An, Hongmin 1 ; Cai, Hongyan 2 ; Xu, Xinliang 2 ; Qiao, Zhi 3 ; Han, Dongrui 4 ;

作者机构: 1.Shandong Univ, Sch Management, Jinan 250100, Peoples R China

2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China

3.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300350, Peoples R China

4.Shandong Acad Agr Sci, Inst Agr Informat & Econ, Jinan 250100, Peoples R China

关键词: urban green space; land surface temperature; urban blocks; composition and configuration

期刊名称:REMOTE SENSING ( 影响因子:5.349; 五年影响因子:5.786 )

ISSN:

年卷期: 2022 年 14 卷 18 期

页码:

收录情况: SCI

摘要: Urban green space (UGS) can be regarded as an effective approach to mitigate urban heat island (UHI) effects. Many studies have investigated the impacts of composition and configuration of UGS on land surface temperature (LST), while little attention has been paid to the impacts among different urban blocks. Thus, taking 1835 urban blocks in Beijing as samples, including low-rise point (LRP), low-rise street (LRS), low-rise block (LRB), mid-rise point (MRP), mid-rise street (MRS), mid-rise block (MRB), high-rise point (HRP), high-rise street (HRS) and high-rise block (HRB), this study investigated the impacts of UGS on LST among different urban blocks. The results showed that UGS serves as cold islands among different urban blocks. Percentage of landscape (PLAND) of UGS in all types of urban blocks, edge density (ED) of UGS in MRS, area-weighted fractal dimension index (FRAC_AM) of UGS in HRS and HRB show significantly negative impacts on LST, while aggregation index (AI) of UGS in LRP shows significantly positive impacts. The findings suggest that both composition and configuration of UGS can affect LST among different urban blocks and rational allocation of UGS would be effective for mitigating UHI effects.

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