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https://orcid.org/0000-0002-2736-0052 http://schema.org/email federica.foglini@ismar.cnr.it https://orcid.org/0000-0002-2736-0052 http://schema.org/name Federica Foglini https://orcid.org/0000-0002-2736-0052 http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://xmlns.com/foaf/0.1/Agent https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/#enrichment_service-account-enrichment http://schema.org/name service-account-enrichment https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/#enrichment_service-account-enrichment http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://xmlns.com/foaf/0.1/Agent https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://schema.org/about http://eurovoc.europa.eu/1892 https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://schema.org/about http://eurovoc.europa.eu/632 https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://schema.org/author https://orcid.org/0000-0002-2736-0052 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activities, with the consequent reduction of anthropogenic emissions into the atmosphere. In this study, the impact of lockdown on atmospheric particle number concentrations and size distributions is investigated in two different sites of Southern Italy: Lecce and Lamezia Terme, regional stations of the GAW/ACTRIS networks. The effects of restrictions are quantified by comparing submicron particle concentrations, in the size range from 10 nm to 800 nm, measured during the lockdown period and in the same period of previous years, from 2015 to 2019, considering three time intervals: prelockdown, lockdown and postlockdown. Different percentage reductions in total particle number concentrations are observed, -19% and -23% in Lecce and -7% and -4% in Lamezia Terme during lockdown and postlockdown, respectively, with several variations in each subclass of particles. From the comparison, no significant variations of meteorological factors are observed except a reduction of rainfall in 2020, which might explain the higher levels of particle concentrations measured during prelockdown at both stations. In general, the results demonstrate an improvement of air quality, more conspicuous in Lecce than in Lamezia Terme, during the lockdown, with a differed reduction in the concentration of submicronic particles that depends on the different types of sources, their distance from observational sites and local meteorology. https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://schema.org/encodingFormat application/ld+json https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://schema.org/hasPart https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://schema.org/identifier https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17 https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://schema.org/license https://choosealicense.com/no-permission/ https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://schema.org/name Impact of the Coronavirus Pandemic Lockdown on Atmospheric Nanoparticle Concentrations in Two Sites of Southern Italy https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://w3id.org/ro-id/rohub/model#creation_mode MANUAL https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://purl.org/wf4ever/ro#ResearchObject https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://purl.org/wf4ever/roevo#LiveRO https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://schema.org/Dataset https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://w3id.org/ro/earth-science#BibliographyResearchObject https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/ro/terms/earth-science#BibliographyResearchObject https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ https://www.w3.org/ns/iana/link-relations/relation#cite-as Foglini, Federica. "Impact of the Coronavirus Pandemic Lockdown on Atmospheric Nanoparticle Concentrations in Two Sites of Southern Italy." ROHub. Dec 10 ,2021. https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17. https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/author mailto:service-account-generation-service https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/contentSize 217 https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/contentUrl https://api.rohub.org/api/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b/download/ https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/creator mailto:service-account-generation-service https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/dateCreated 2021-12-10 09:59:34.605282+00:00 https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/dateModified 2021-12-10 09:59:34.606484+00:00 https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/description During the new coronavirus infection outbreak, the application of strict containment measures entailed a decrease in most human activities, with the consequent reduction of anthropogenic emissions into the atmosphere. In this study, the impact of lockdown on atmospheric particle number concentrations and size distributions is investigated in two different sites of Southern Italy: Lecce and Lamezia Terme, regional stations of the GAW/ACTRIS networks. The effects of restrictions are quantified by comparing submicron particle concentrations, in the size range from 10 nm to 800 nm, measured during the lockdown period and in the same period of previous years, from 2015 to 2019, considering three time intervals: prelockdown, lockdown and postlockdown. Different percentage reductions in total particle number concentrations are observed, -19% and -23% in Lecce and -7% and -4% in Lamezia Terme during lockdown and postlockdown, respectively, with several variations in each subclass of particles. From the comparison, no significant variations of meteorological factors are observed except a reduction of rainfall in 2020, which might explain the higher levels of particle concentrations measured during prelockdown at both stations. In general, the results demonstrate an improvement of air quality, more conspicuous in Lecce than in Lamezia Terme, during the lockdown, with a differed reduction in the concentration of submicronic particles that depends on the different types of sources, their distance from observational sites and local meteorology. https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/encodingFormat text/plain https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/license https://choosealicense.com/no-permission/ https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/name Impact of the Coronavirus Pandemic Lockdown on Atmospheric Nanoparticle Concentrations in Two Sites of Southern Italy https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://schema.org/sdDatePublished 2021-12-10 09:59:34.605282+00:00 https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://purl.org/wf4ever/wf4ever#Resource https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/resources/b6fad1b7-1afd-4d69-a13c-30506334c57b http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://schema.org/MediaObject https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ro-crate-metadata.json http://purl.org/dc/terms/conformsTo https://w3id.org/ro/crate/1.1 https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ro-crate-metadata.json http://schema.org/about https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ro-crate-metadata.json http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://schema.org/CreativeWork mailto:service-account-generation-service http://schema.org/name service-account-generation-service mailto:service-account-generation-service http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://xmlns.com/foaf/0.1/Agent https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M/provenance https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M/assertion http://www.w3.org/ns/prov#wasDerivedFrom https://api.rohub.org/api/ros/36235e43-d179-496e-84bf-2a8a6c3e7a17/crate/download/ro-crate-metadata.json https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M/pubinfo https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M http://purl.org/dc/terms/created 2026-03-03T16:43:54.794+01:00 https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M http://purl.org/dc/terms/creator https://w3id.org/kpxl/gen/terms/RoCrateBot https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M http://purl.org/nanopub/x/introduces https://w3id.org/ro-id/36235e43-d179-496e-84bf-2a8a6c3e7a17/ https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://purl.org/nanopub/x/RoCrateNanopub https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M http://www.w3.org/2000/01/rdf-schema#label Impact of the Coronavirus Pandemic Lockdown on Atmospheric Nanoparticle Concentrations in Two Sites of Southern Italy https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M/sig http://purl.org/nanopub/x/hasAlgorithm RSA https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M/sig http://purl.org/nanopub/x/hasPublicKey MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxszSDYX5tuCSkP7UiCtftYPFNQVTjgNu0I5fwdML2DLRDlp0xzmsQXRk8oHuvwGvG1aMjj6cpUqO+0rz2Sg/wvHOgUpkRH8VJXvmlkhafMLCMtUtk5JIx7e+fkzCby+fnmD7kMkGLrT+OaExWwEDmNlCAt0TPKcHSdwsjso2isXjtAsGevyCMke8ufnFYpjs746JES1eNzVnHnn2Kp/lqcm60GM+J8dLgRZp7fX0anW098xhKym6+xXFzqeju0vYRIHBPerv+r7skWxwk+a7Sd8msqVeYEv6NTqnyWvyWb6Yh8cvj04N6qm/T6C5FUPLQhzSaQgMVMU6yLqjPuu9DwIDAQAB https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M/sig http://purl.org/nanopub/x/hasSignature w1r8fQ1Z2m0HY7EMjgCAAQZLWQ9cFckr1AzqU9P+Cj+ww9arhuUZwgCp0J9JIgu3XL2CapVi2MVURN1bQFQ0w2ay6BW+QoFF6l8K2Nr691zJDnlnteKslYD8vcCHDW+DyCYQWxhN+U4N741YX1rqCT/0b6htko47EhfW2Bab3qvXp039fPex2e5RV9Xywe5avHFBXu9BaFxo0CiDtR5c6aesktxDECh2LNIwTMcAFQSba9ZLUC3J0NaCAi/8ZM6U7OykE4mvNNNz0MsCwBdhWNRdWizfOXNSrJng3FjRsmnKLdUmWC/rGzI4ct50l7yTVaH7XiJ6z1pXnt0y66E5zA== https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M/sig http://purl.org/nanopub/x/hasSignatureTarget https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M https://w3id.org/np/RA6m-u01aUzn1Pq8wlh7ozop7KyZDGnb8dZM2WC0heK4M/sig http://purl.org/nanopub/x/signedBy https://w3id.org/kpxl/gen/terms/RoCrateBot