Vulnerability of cities to toxic airborne releases is written in their topology

Abstract 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...

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Autores principales:	Sofia Fellini, Pietro Salizzoni, Luca Ridolfi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f2b0550a1ece4b54b8677f23239f3ee7
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spelling	oai:doaj.org-article:f2b0550a1ece4b54b8677f23239f3ee72021-12-05T12:12:47ZVulnerability of cities to toxic airborne releases is written in their topology10.1038/s41598-021-02403-y2045-2322https://doaj.org/article/f2b0550a1ece4b54b8677f23239f3ee72021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02403-yhttps://doaj.org/toc/2045-2322Abstract 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.Sofia FelliniPietro SalizzoniLuca RidolfiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sofia Fellini Pietro Salizzoni Luca Ridolfi Vulnerability of cities to toxic airborne releases is written in their topology
description	Abstract 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.
format	article
author	Sofia Fellini Pietro Salizzoni Luca Ridolfi
author_facet	Sofia Fellini Pietro Salizzoni Luca Ridolfi
author_sort	Sofia Fellini
title	Vulnerability of cities to toxic airborne releases is written in their topology
title_short	Vulnerability of cities to toxic airborne releases is written in their topology
title_full	Vulnerability of cities to toxic airborne releases is written in their topology
title_fullStr	Vulnerability of cities to toxic airborne releases is written in their topology
title_full_unstemmed	Vulnerability of cities to toxic airborne releases is written in their topology
title_sort	vulnerability of cities to toxic airborne releases is written in their topology
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f2b0550a1ece4b54b8677f23239f3ee7
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Vulnerability of cities to toxic airborne releases is written in their topology

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