dor_id: 4119616

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561.#.#.u: https://www.atmosfera.unam.mx/

650.#.4.x: Biología y Química

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: https://www.revistascca.unam.mx/rica/index.php/rica/index

351.#.#.b: Revista Internacional de Contaminación Ambiental

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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590.#.#.a: Coordinación de Difusión Cultural

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850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: https://www.revistascca.unam.mx/rica/index.php/rica/article/view/RICA.54145/47060

100.1.#.a: Cerrato Álvarez, Maria; Miró Rodríguez, Conrado; Pinilla Gil, Eduardo

524.#.#.a: Cerrato Álvarez, et al. (2021). EFFECT OF COVID-19 LOCKDOWN ON AIR QUALITY IN URBAN AND SUBURBAN AREAS OF EXTREMADURA, SOUTHWEST SPAIN: A CASE STUDY IN USUALLY LOW POLLUTED AREAS. Revista Internacional de Contaminación Ambiental; Vol. 37, 2021; 237-247. Recuperado de https://repositorio.unam.mx/contenidos/4119616

245.1.0.a: EFFECT OF COVID-19 LOCKDOWN ON AIR QUALITY IN URBAN AND SUBURBAN AREAS OF EXTREMADURA, SOUTHWEST SPAIN: A CASE STUDY IN USUALLY LOW POLLUTED AREAS

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

264.#.0.c: 2021

264.#.1.c: 2021-03-04

653.#.#.a: SARS-CoV-2; air pollutants; Spain; NO2; O3; BTX; SARS-CoV-2; air pollutants; Spain; NO2; O3; BTX

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC 4.0 Internacional, https://creativecommons.org/licenses/by-nc/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico claudio.amescua@atmosfera.unam.mx

884.#.#.k: https://www.revistascca.unam.mx/rica/index.php/rica/article/view/RICA.54145

001.#.#.#: 105.oai:ojs.pkp.sfu.ca:article/54145

041.#.7.h: eng

520.3.#.a: Lockdown measures were established in Spain from 14th March 2020, to flatten the pandemic curve of coronavirus disease (COVID-19). The increasingly stringent implementation of these measures has made it possible to assess the effect of anthropogenic activities on the most relevant air pollutants present in ambient air. Whereas most published reports focus on highly polluted urban areas, the present work aims to quantify variations in the levels of NO2, O3 and BTX (benzene, toluene and xylene) due to the COVID-19 lockdown in usually low polluted urban and suburban areas within Extremadura (Spain). Compared to the reference period from 2010 to 2019, significant reductions in NO2 levels occurred in the suburban stations of Badajoz, Cáceres, Mérida, Plasencia and Zafra (–50.4 %, –71.6 %, –55.2 %, –64.6 % and –51.8 %, respectively), likely due to the limitation of road traffic as the primary source of nitrogen oxides (NOx). These percentages of reduction are similar to data reported in high polluted areas. Similarly, O3 levels have decreased slightly by –9.9 % in Badajoz, –9.5 % in Mérida and –18.2 % in the Monfragüe National Park. The reduction in O3 levels may be due to a decrease in NOx limiting atmospheric conditions and the influence of weather conditions (high cloudiness and rainy days) during the lockdown period. No defined trend was observed for VOCs (BTX), probably due to the very low levels of these contaminants, close to the detection limit both during the lockdown and the reference periods.

773.1.#.t: Revista Internacional de Contaminación Ambiental; Vol. 37 (2021); 237-247

773.1.#.o: https://www.revistascca.unam.mx/rica/index.php/rica/index

022.#.#.a: ISSN impreso: 0188-4999

310.#.#.a: Trimestral

300.#.#.a: Páginas: 237-247

264.#.1.b: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

doi: https://doi.org/10.20937/RICA.54145

harvesting_date: 2023-11-08 13:10:00.0

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file_modification_date: 2021-03-04 16:34:12.0

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245.1.0.b: EFFECT OF COVID-19 LOCKDOWN ON AIR QUALITY IN URBAN AND SUBURBAN AREAS OF EXTREMADURA, SOUTHWEST SPAIN: A CASE STUDY IN USUALLY LOW POLLUTED AREAS

last_modified: 2023-11-08 13:00:00

license_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode.es

license_type: by-nc

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Artículo

EFFECT OF COVID-19 LOCKDOWN ON AIR QUALITY IN URBAN AND SUBURBAN AREAS OF EXTREMADURA, SOUTHWEST SPAIN: A CASE STUDY IN USUALLY LOW POLLUTED AREAS

Cerrato Álvarez, Maria; Miró Rodríguez, Conrado; Pinilla Gil, Eduardo

Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, publicado en Revista Internacional de Contaminación Ambiental, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Cerrato Álvarez, et al. (2021). EFFECT OF COVID-19 LOCKDOWN ON AIR QUALITY IN URBAN AND SUBURBAN AREAS OF EXTREMADURA, SOUTHWEST SPAIN: A CASE STUDY IN USUALLY LOW POLLUTED AREAS. Revista Internacional de Contaminación Ambiental; Vol. 37, 2021; 237-247. Recuperado de https://repositorio.unam.mx/contenidos/4119616

Descripción del recurso

Autor(es)
Cerrato Álvarez, Maria; Miró Rodríguez, Conrado; Pinilla Gil, Eduardo
Tipo
Artículo de Investigación
Área del conocimiento
Biología y Química
Título
EFFECT OF COVID-19 LOCKDOWN ON AIR QUALITY IN URBAN AND SUBURBAN AREAS OF EXTREMADURA, SOUTHWEST SPAIN: A CASE STUDY IN USUALLY LOW POLLUTED AREAS
Fecha
2021-03-04
Resumen
Lockdown measures were established in Spain from 14th March 2020, to flatten the pandemic curve of coronavirus disease (COVID-19). The increasingly stringent implementation of these measures has made it possible to assess the effect of anthropogenic activities on the most relevant air pollutants present in ambient air. Whereas most published reports focus on highly polluted urban areas, the present work aims to quantify variations in the levels of NO2, O3 and BTX (benzene, toluene and xylene) due to the COVID-19 lockdown in usually low polluted urban and suburban areas within Extremadura (Spain). Compared to the reference period from 2010 to 2019, significant reductions in NO2 levels occurred in the suburban stations of Badajoz, Cáceres, Mérida, Plasencia and Zafra (–50.4 %, –71.6 %, –55.2 %, –64.6 % and –51.8 %, respectively), likely due to the limitation of road traffic as the primary source of nitrogen oxides (NOx). These percentages of reduction are similar to data reported in high polluted areas. Similarly, O3 levels have decreased slightly by –9.9 % in Badajoz, –9.5 % in Mérida and –18.2 % in the Monfragüe National Park. The reduction in O3 levels may be due to a decrease in NOx limiting atmospheric conditions and the influence of weather conditions (high cloudiness and rainy days) during the lockdown period. No defined trend was observed for VOCs (BTX), probably due to the very low levels of these contaminants, close to the detection limit both during the lockdown and the reference periods.
Tema
SARS-CoV-2; air pollutants; Spain; NO2; O3; BTX; SARS-CoV-2; air pollutants; Spain; NO2; O3; BTX
Idioma
eng
ISSN
ISSN impreso: 0188-4999

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