Assessment of NO2 Pollution Level during the COVID-19 Lockdown in a Romanian City.
Identifieur interne : 000628 ( Main/Exploration ); précédent : 000627; suivant : 000629Assessment of NO2 Pollution Level during the COVID-19 Lockdown in a Romanian City.
Auteurs : Adrian Ro U [Roumanie] ; Daniel-Eduard Constantin [Roumanie] ; Mirela Voiculescu [Roumanie] ; Maxim Arseni [Roumanie] ; Bogdan Ro U [Roumanie] ; Alexis Merlaud [Belgique] ; Michel Van Roozendael [Belgique] ; Puiu Lucian Georgescu [Roumanie]Source :
- International journal of environmental research and public health [ 1660-4601 ] ; 2021.
Descripteurs français
- KwdFr :
- MESH :
- Wicri :
- geographic : Roumanie.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Air Pollutants, Nitrogen Dioxide.
- geographic : Cities, Romania.
- analysis : Air Pollution.
- epidemiology : COVID-19.
- Environmental Monitoring, Humans, Pandemics.
Abstract
This study investigates changes in pollution associated with the lockdown period caused by the COVID-19 pandemic in Galati (45.43° N, 28.03° E), a Romanian city located in the southeast of Romania. The study is focused on nitrogen dioxide (NO2), a trace gas which can be related to emissions from industrial activities, heating, and transportation. The investigation is based on in situ observations from local Air Quality Monitoring Stations (AQMS) and mobile remote sensing observations by Differential Optical Absorption Spectroscopy (DOAS) technique. We also show results of the NO2 vertical column measured by TROPOMI (TROPOspheric Monitoring Instrument), a space instrument onboard of satellite mission Sentinel-5P, to complement local ground-based measurements. For in situ observations, the lockdown interval (23 March 2020-15 May 2020) was separated from normal periods. The decrease in local NO2 concentration during lockdown, measured in situ, is rather small, of about 10-40% at the most, is observed only at some stations, and is better seen during workdays than during weekends. We conclude that the decrease in NO2 content over Galati city during lockdown is relatively small and may be attributed to the reduction in local traffic, a consequence of special measures and restrictions imposed during the COVID-19 lockdown by the Romanian authorities.
DOI: 10.3390/ijerph18020544
PubMed: 33440815
PubMed Central: PMC7827512
Affiliations:
Links toward previous steps (curation, corpus...)
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Galati</wicri:regionArea><wicri:noRegion>800201 Galati</wicri:noRegion></affiliation></author><author><name sortKey="Constantin, Daniel Eduard" sort="Constantin, Daniel Eduard" uniqKey="Constantin D" first="Daniel-Eduard" last="Constantin">Daniel-Eduard Constantin</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</nlm:affiliation><country xml:lang="fr">Roumanie</country><wicri:regionArea>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati</wicri:regionArea><wicri:noRegion>800201 Galati</wicri:noRegion></affiliation></author><author><name sortKey="Voiculescu, Mirela" sort="Voiculescu, Mirela" uniqKey="Voiculescu M" first="Mirela" last="Voiculescu">Mirela Voiculescu</name><affiliation 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and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati</wicri:regionArea><wicri:noRegion>800201 Galati</wicri:noRegion></affiliation></author><author><name sortKey="Ro U, Bogdan" sort="Ro U, Bogdan" uniqKey="Ro U B" first="Bogdan" last="Ro U">Bogdan Ro U</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</nlm:affiliation><country xml:lang="fr">Roumanie</country><wicri:regionArea>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati</wicri:regionArea><wicri:noRegion>800201 Galati</wicri:noRegion></affiliation></author><author><name sortKey="Merlaud, Alexis" sort="Merlaud, Alexis" uniqKey="Merlaud A" first="Alexis" last="Merlaud">Alexis Merlaud</name><affiliation wicri:level="1"><nlm:affiliation>Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Ringlaan-3-Avenue Circulaire, B-1180 Brussels, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Ringlaan-3-Avenue Circulaire, B-1180 Brussels</wicri:regionArea><wicri:noRegion>B-1180 Brussels</wicri:noRegion></affiliation></author><author><name sortKey="Van Roozendael, Michel" sort="Van Roozendael, Michel" uniqKey="Van Roozendael M" first="Michel" last="Van Roozendael">Michel Van Roozendael</name><affiliation wicri:level="1"><nlm:affiliation>Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Ringlaan-3-Avenue Circulaire, B-1180 Brussels, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Ringlaan-3-Avenue Circulaire, B-1180 Brussels</wicri:regionArea><wicri:noRegion>B-1180 Brussels</wicri:noRegion></affiliation></author><author><name sortKey="Georgescu, Puiu Lucian" sort="Georgescu, Puiu Lucian" uniqKey="Georgescu P" first="Puiu Lucian" last="Georgescu">Puiu Lucian Georgescu</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</nlm:affiliation><country xml:lang="fr">Roumanie</country><wicri:regionArea>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati</wicri:regionArea><wicri:noRegion>800201 Galati</wicri:noRegion></affiliation></author></analytic><series><title level="j">International journal of environmental research and public health</title><idno type="eISSN">1660-4601</idno><imprint><date when="2021" type="published">2021</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air Pollutants (analysis)</term><term>Air Pollution (analysis)</term><term>COVID-19 (epidemiology)</term><term>Cities (MeSH)</term><term>Environmental Monitoring (MeSH)</term><term>Humans (MeSH)</term><term>Nitrogen Dioxide (analysis)</term><term>Pandemics (MeSH)</term><term>Romania (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Dioxyde d'azote (analyse)</term><term>Humains (MeSH)</term><term>Pandémies (MeSH)</term><term>Polluants atmosphériques (analyse)</term><term>Pollution de l'air (analyse)</term><term>Roumanie (MeSH)</term><term>Surveillance de l'environnement (MeSH)</term><term>Villes (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Air Pollutants</term><term>Nitrogen Dioxide</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Cities</term><term>Romania</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Dioxyde d'azote</term><term>Polluants atmosphériques</term><term>Pollution de l'air</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Air Pollution</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>COVID-19</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Environmental Monitoring</term><term>Humans</term><term>Pandemics</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Humains</term><term>Pandémies</term><term>Roumanie</term><term>Surveillance de l'environnement</term><term>Villes</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Roumanie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study investigates changes in pollution associated with the lockdown period caused by the COVID-19 pandemic in Galati (45.43° N, 28.03° E), a Romanian city located in the southeast of Romania. The study is focused on nitrogen dioxide (NO<sub>2</sub>), a trace gas which can be related to emissions from industrial activities, heating, and transportation. The investigation is based on in situ observations from local Air Quality Monitoring Stations (AQMS) and mobile remote sensing observations by Differential Optical Absorption Spectroscopy (DOAS) technique. We also show results of the NO<sub>2</sub> vertical column measured by TROPOMI (TROPOspheric Monitoring Instrument), a space instrument onboard of satellite mission Sentinel-5P, to complement local ground-based measurements. For in situ observations, the lockdown interval (23 March 2020-15 May 2020) was separated from normal periods. The decrease in local NO<sub>2</sub> concentration during lockdown, measured in situ, is rather small, of about 10-40% at the most, is observed only at some stations, and is better seen during workdays than during weekends. We conclude that the decrease in NO<sub>2</sub> content over Galati city during lockdown is relatively small and may be attributed to the reduction in local traffic, a consequence of special measures and restrictions imposed during the COVID-19 lockdown by the Romanian authorities.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">33440815</PMID><DateCompleted><Year>2021</Year><Month>01</Month><Day>19</Day></DateCompleted><DateRevised><Year>2021</Year><Month>01</Month><Day>26</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1660-4601</ISSN><JournalIssue CitedMedium="Internet"><Volume>18</Volume><Issue>2</Issue><PubDate><Year>2021</Year><Month>01</Month><Day>11</Day></PubDate></JournalIssue><Title>International journal of environmental research and public health</Title><ISOAbbreviation>Int J Environ Res Public Health</ISOAbbreviation></Journal><ArticleTitle>Assessment of NO<sub>2</sub> Pollution Level during the COVID-19 Lockdown in a Romanian City.</ArticleTitle><ELocationID EIdType="pii" ValidYN="Y">E544</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.3390/ijerph18020544</ELocationID><Abstract><AbstractText>This study investigates changes in pollution associated with the lockdown period caused by the COVID-19 pandemic in Galati (45.43° N, 28.03° E), a Romanian city located in the southeast of Romania. The study is focused on nitrogen dioxide (NO<sub>2</sub>), a trace gas which can be related to emissions from industrial activities, heating, and transportation. The investigation is based on in situ observations from local Air Quality Monitoring Stations (AQMS) and mobile remote sensing observations by Differential Optical Absorption Spectroscopy (DOAS) technique. We also show results of the NO<sub>2</sub> vertical column measured by TROPOMI (TROPOspheric Monitoring Instrument), a space instrument onboard of satellite mission Sentinel-5P, to complement local ground-based measurements. For in situ observations, the lockdown interval (23 March 2020-15 May 2020) was separated from normal periods. The decrease in local NO<sub>2</sub> concentration during lockdown, measured in situ, is rather small, of about 10-40% at the most, is observed only at some stations, and is better seen during workdays than during weekends. We conclude that the decrease in NO<sub>2</sub> content over Galati city during lockdown is relatively small and may be attributed to the reduction in local traffic, a consequence of special measures and restrictions imposed during the COVID-19 lockdown by the Romanian authorities.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Roșu</LastName><ForeName>Adrian</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Constantin</LastName><ForeName>Daniel-Eduard</ForeName><Initials>DE</Initials><Identifier Source="ORCID">0000-0001-9380-497X</Identifier><AffiliationInfo><Affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Voiculescu</LastName><ForeName>Mirela</ForeName><Initials>M</Initials><Identifier Source="ORCID">0000-0002-1864-3878</Identifier><AffiliationInfo><Affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Arseni</LastName><ForeName>Maxim</ForeName><Initials>M</Initials><Identifier Source="ORCID">0000-0002-2444-2298</Identifier><AffiliationInfo><Affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Roșu</LastName><ForeName>Bogdan</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Merlaud</LastName><ForeName>Alexis</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Ringlaan-3-Avenue Circulaire, B-1180 Brussels, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Van Roozendael</LastName><ForeName>Michel</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Ringlaan-3-Avenue Circulaire, B-1180 Brussels, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Georgescu</LastName><ForeName>Puiu Lucian</ForeName><Initials>PL</Initials><AffiliationInfo><Affiliation>Faculty of Sciences and Environment, The European Centre of Excellence for the Environment, "Dunarea de Jos" University of Galati, Domneasca Street, No. 111, 800201 Galati, Romania.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2021</Year><Month>01</Month><Day>11</Day></ArticleDate></Article><MedlineJournalInfo><Country>Switzerland</Country><MedlineTA>Int J Environ Res Public Health</MedlineTA><NlmUniqueID>101238455</NlmUniqueID><ISSNLinking>1660-4601</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000393">Air Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>S7G510RUBH</RegistryNumber><NameOfSubstance UI="D009585">Nitrogen Dioxide</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000393" MajorTopicYN="N">Air Pollutants</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000397" MajorTopicYN="N">Air Pollution</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000086382" MajorTopicYN="N">COVID-19</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="Y">epidemiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002947" MajorTopicYN="N" Type="Geographic">Cities</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004784" MajorTopicYN="Y">Environmental Monitoring</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009585" 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PubStatus="accepted"><Year>2020</Year><Month>12</Month><Day>31</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2021</Year><Month>1</Month><Day>14</Day><Hour>1</Hour><Minute>2</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2021</Year><Month>1</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2021</Year><Month>1</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">33440815</ArticleId><ArticleId IdType="pii">ijerph18020544</ArticleId><ArticleId IdType="doi">10.3390/ijerph18020544</ArticleId><ArticleId IdType="pmc">PMC7827512</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Sci Total Environ. 2020 Nov 1;741:140426</Citation><ArticleIdList><ArticleId IdType="pubmed">32593893</ArticleId></ArticleIdList></Reference><Reference><Citation>Sci Total Environ. 2020 Aug 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last="Ro U">Adrian Ro U</name></noRegion><name sortKey="Arseni, Maxim" sort="Arseni, Maxim" uniqKey="Arseni M" first="Maxim" last="Arseni">Maxim Arseni</name><name sortKey="Constantin, Daniel Eduard" sort="Constantin, Daniel Eduard" uniqKey="Constantin D" first="Daniel-Eduard" last="Constantin">Daniel-Eduard Constantin</name><name sortKey="Georgescu, Puiu Lucian" sort="Georgescu, Puiu Lucian" uniqKey="Georgescu P" first="Puiu Lucian" last="Georgescu">Puiu Lucian Georgescu</name><name sortKey="Ro U, Bogdan" sort="Ro U, Bogdan" uniqKey="Ro U B" first="Bogdan" last="Ro U">Bogdan Ro U</name><name sortKey="Voiculescu, Mirela" sort="Voiculescu, Mirela" uniqKey="Voiculescu M" first="Mirela" last="Voiculescu">Mirela Voiculescu</name></country><country name="Belgique"><noRegion><name sortKey="Merlaud, Alexis" sort="Merlaud, Alexis" uniqKey="Merlaud A" first="Alexis" last="Merlaud">Alexis Merlaud</name></noRegion><name sortKey="Van Roozendael, Michel" sort="Van Roozendael, Michel" uniqKey="Van Roozendael M" first="Michel" last="Van Roozendael">Michel Van Roozendael</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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