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• 49f56f03-89b6-4956-880b-182aa3d41992 type BibliographyResearchObject assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 type BibliographyResearchObject assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 type ResearchObject assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 type LiveRO assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 type Dataset assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 description "The effect of lockdown due to coronavirus disease (COVID-19) pandemic on air pollution in four Southern European cities (Nice, Rome, Valencia and Turin) and Wuhan (China) was quantified, with a focus on ozone (O-3). Compared to the same period in 20172019, the daily O-3 mean concentrations increased at urban stations by 24% in Nice, 14% in Rome, 27% in Turin, 2.4% in Valencia and 36% in Wuhan during the lockdown in 2020. This increase in O-3 concentrations is mainly explained by an unprecedented reduction in NOx emissions leading to a lower O-3 titration by NO. Strong reductions in NO2 mean concentrations were observed in all European cities, similar to 53% at urban stations, comparable to Wuhan (57%), and similar to 65% at traffic stations. NO declined even further, similar to 63% at urban stations and similar to 78% at traffic stations in Europe. Reductions in PM2.5 and PM10 at urban stations were overall much smaller both in magnitude and relative change in Europe (similar to 8%) than in Wuhan (similar to 42%). The PM reductions due to limiting transportation and fuel combustion in institutional and commercial buildings were partly offset by increases of PM emissions from the activities at home in some of the cities. The NOx concentrations during the lockdown were on average 49% lower than those at weekends of the previous years in all cities. The lockdown effect on O-3 production was similar to 10% higher than the weekend effect in Southern Europe and 38% higher in Wuhan, while for PM the lockdown had the same effect as weekends in Southern Europe (similar to 6% of difference). This study highlights the challenge of reducing the formation of secondary pollutants such as O-3 even with strict measures to control primary pollutant emissions. These results are relevant for designing abatement policies of urban pollution." assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 contentSize "5965" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 dateCreated "2021-12-10 09:58:55.698529+00:00" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 creation_mode "MANUAL" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 cite-as "Foglini, Federica. "Ampli fied ozone pollution in cities during the COVID-19 lockdown." ROHub. Dec 10 ,2021. https://w3id.org/ro-id/49f56f03-89b6-4956-880b-182aa3d41992." assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 about 632 assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 name "Ampli fied ozone pollution in cities during the COVID-19 lockdown" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 contentUrl "https://api.rohub.org/api/ros/49f56f03-89b6-4956-880b-182aa3d41992/crate/download/" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 creator mailto:service-account-generation-service assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 dateModified "2025-03-05 00:46:16.654410+00:00" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 datePublished "2021-12-10 09:58:55.698529+00:00" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 encodingFormat "application/ld+json" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 hasPart 7c888cef-1ba0-4783-a3a8-f8774d35b3cb assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 identifier "https://w3id.org/ro-id/49f56f03-89b6-4956-880b-182aa3d41992" assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 license no-permission assertion.
• 49f56f03-89b6-4956-880b-182aa3d41992 author 0000-0002-2736-0052 assertion.