Carbon emission characteristics of urban trip based on multi-layer network modeling

被引:5
|
作者
Hong, Wuyang [1 ,2 ]
Ma, Tao [1 ]
Guo, Renzhong [1 ,2 ]
Yang, Xiaochun [1 ]
Li, Xiaoming [1 ,2 ]
Sun, Maopeng [2 ,3 ]
Chen, Yebin [1 ,2 ]
Zhong, Yiyao [1 ]
机构
[1] Shenzhen Univ, Sch Architecture & Urban Planning, Shenzhen 518000, Peoples R China
[2] Shenzhen Univ, Res Inst Smart Cities, Shenzhen 518000, Peoples R China
[3] Shenzhen Urban Transport Planning Ctr Co Ltd, Shenzhen 518000, Peoples R China
基金
中国国家自然科学基金;
关键词
Multi -layer network; Carbon emission; Trip structure; Complicated structure; Shenzhen; BUILT ENVIRONMENT; TRAVEL;
D O I
10.1016/j.apgeog.2023.103091
中图分类号
P9 [自然地理学]; K9 [地理];
学科分类号
0705 ; 070501 ;
摘要
Multi-layer networks could reveal the carbon emission structure of urban traffic formed after residents choose the means and purpose of trips. In this paper, a multi-layer network model was proposed and the carbon emission characteristics of urban trips were analyzed. In addition, the carbon reduction potential assessment methods based on nodes and edge feature indexes to identify the carbon reduction areas of the trip network. An empirical study was carried out on Shenzhen and the results showed that: 1) The carbon emission in Shenzhen is unbalanced in spatial and is dense in the west and sparse in the east, but the carbon emission of different networks shows a similar fluctuation trend over time; 2) multi-layer network represents community structure, while communities of "residence-enterprise" network and "residence-park" network are internally closely connected; 3) the carbon emission reduction potential of residential nodes is low in the west and high in the east. The mode of the urban trip and the law of geographical space connection expressed by it were understood by establishing a multi-layer network embedded in geographic space in this paper. The conclusions hereof are of supportive significance for the formulation of space emission reduction policies.
引用
收藏
页数:12
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