Vulnerability of cities to toxic airborne releases is written in their topology.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
29 11 2021
29 11 2021
Historique:
received:
19
07
2021
accepted:
09
11
2021
entrez:
30
11
2021
pubmed:
1
12
2021
medline:
1
12
2021
Statut:
epublish
Résumé
The incidental or malicious release of toxic gases in the atmosphere is one of the most critical scenarios for cities. The impact of these releases varies with the ventilation potential of the urban environment. To disentangle this crucial aspect, vulnerability to airborne releases is here traced back to essential properties of the urban fabric. To this aim, pollutant dispersion is disassembled in its fundamental bricks and the main drivers of the process are captured. The analysis is based on four cities with emblematic architectures: Paris, Firenze, Lyon and New York. Results show that vulnerability is driven by the topology of the city and by its interaction with the approaching wind. In this sense, fragility to toxic releases is written in the layout of the urban fabric and results from its historical evolution. This study paves the way to the assessment of air pollution-related issues from a morphological point of view.
Identifiants
pubmed: 34845266
doi: 10.1038/s41598-021-02403-y
pii: 10.1038/s41598-021-02403-y
pmc: PMC8630004
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
23029Informations de copyright
© 2021. The Author(s).
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