|Table of Contents|

Study on the Correlation Between the Spatial Patterns of Urban Form and the Urban Thermal Environment:a Case Study of Nanjing(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2022年02期
Page:
16-25
Research Field:
·地理学·
Publishing date:

Info

Title:
Study on the Correlation Between the Spatial Patterns of Urban Form and the Urban Thermal Environment:a Case Study of Nanjing
Author(s):
Wu Zihao; Tong Ziyu
(School of Architecture and Urban Planning,Nanjing University,Nanjing 210093,China)
Keywords:
urban form; spatial pattern; urban thermal environment; urban heat island effect; local climate zone
PACS:
TU984.1
DOI:
10.3969/j.issn.1001-4616.2022.02.003
Abstract:
Quantitative analysis of the correlation between the spatial patterns of urban form and the urban thermal environment will help to improve the rationality of morphological control in urban planning and design,which is important for improving the urban thermal environment and promoting sustainable urban development. Taking Nanjing as an example,this paper quantifies the spatial patterns of the complex urban form and explores the correlation with the urban thermal environment. The main conclusions are as follows:(1)The spatial lag model is more applicable to the study of urban thermal environment association,and the urban heat island intensity(UHII)is positively influenced by the UHII of the surrounding environment.(2)By season,the impact of the spatial patterns of the urban form on UHII is ranked as spring>summer>autumn>winter.(3)The proportion of all built environment form types and LCZ E(ground)in the surrounding environment have a significant positive effect on the urban thermal environment in most seasons,with the proportion of LCZ 8(large low-rise buildings)having the greatest degree of positive influence. In contrast,the natural environmental form type is mostly conducive to cooling,where LCZ G(water)is better than LCZ A(forests).(4)In terms of the overall layout,the spatial patterns of the surrounding environment dominated by a single form will help bring about a lower urban heat island intensity.(5)Based on the spatial pattern indicators,the study area can be divided into 9 zoning types with similar morphological composition structures and characteristics of the surrounding environment. Differences exist among types in thermal environment properties,which should be regulated by differentiated means. The conclusions of the study can provide a reference for the construction of climate-resilient cities.

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