Impacts of urban land morphology on PM2.5 concentration in the urban agglomerations of China

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F21%3APU139315" target="_blank" >RIV/00216305:26210/21:PU139315 - isvavai.cz</a>

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S0301479721000621?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0301479721000621?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jenvman.2021.112000" target="_blank" >10.1016/j.jenvman.2021.112000</a>

Result language

angličtina

Original language name

Impacts of urban land morphology on PM2.5 concentration in the urban agglomerations of China

Original language description

Accurate understanding of the relationship between urban land morphology and the concentration of PM2.5 is essential for achieving high-quality development of urban agglomerations. Based on a mechanism framework of "Internal-External driving force", 19 Chinese urban agglomerations at different development levels were analysed using the geographically weighted regression model to evaluate the impacts of urban land morphology on PM2.5 concentrations in years 2000–2017. The results show: (1) The PM2.5 average concentrations of all 19 urban agglomerations continue to increase from 30 μg/m3 in 2000 to 52 μg/m3 in 2007 but decreased to 34 μg/m3 in 2017. The changes in PM2.5 concentrations vary for urban agglomerations at different development levels. Spatial differences in PM2.5 concentrations are significant, forming a pattern that decreases from the centre to the periphery regions; (2) The urban land morphology of the entire urban agglomeration areas has undergone significant changes. The fractal dimension index (from 4.150 to 2.731) and the compactness (from 0.647 to 0.635) showed a downward trend, while the shape indices (from 1.421 to 1.606) demonstrated an increasing trend. National-level urban agglomerations are more compact and more complex in shape, while more fragmented are regional and local urban agglomerations; (3) Different parameters of urban land morphology have varying effects on PM2.5 concentration varies and at different development levels of urban agglomerations. The combination of urban land morphology, socio-economic factors, and natural elements has a complex effect on PM2.5 concentrations. It can contribute to understanding the linkage between urban land morphology and PM2.5, providing references for future studies. © 2021 Elsevier Ltd

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20704 - Energy and fuels

Project

<a href="/en/project/EF15_003%2F0000456" target="_blank" >EF15_003/0000456: Sustainable Process Integration Laboratory (SPIL)</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

JOURNAL OF ENVIRONMENTAL MANAGEMENT

ISSN

0301-4797

e-ISSN

1095-8630

Volume of the periodical

neuveden

Issue of the periodical within the volume

283

Country of publishing house

GB - UNITED KINGDOM

Number of pages

13

Pages from-to

112000-112000

UT code for WoS article

000621172400001

EID of the result in the Scopus database

2-s2.0-85099872440