Surface ozone trends over a 21-year period at El Arenosillo observatory (Southwestern Europe)

Adame, José Antonio; Gutiérrez-Álvarez, I.; Cristofanelli, Paolo; Notario, Alberto; Bogeat, Jose A.; Lopez, A.; Gomez, Anthony L.; Bolı́var, J.P.; Yela, Margarita

doi:10.1016/j.atmosres.2022.106048

Cited by 10 publications

(5 citation statements)

References 41 publications

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“…The lowest concentrations are registered in LEP, while the highest ones in ASO, coinciding in time, i.e., the highest concentration (91.9 µg m −3 and 83.6 µg m −3 ) at 17:00 UTC, and the lowest (32.0 µg m −3 and 20.8 µg m −3 ) in the early morning at 9:00 UTC, around sunrise. Differences in the intensity of the daily values observed between both stations reflect the combination of different factors, such as the precursor emissions, and chemical and physical processes [ 29 , 30 ]. In this sense, differences in the urban environment ( Section 2 ) influence the intensity of the minimum concentrations, for instance, favouring reactions between O 3 and NO 2 , which results the formation of dinitrogen pentoxide (N 2 O 5 ) and nitric acid (HNO 3 ) [ 31 ].…”

Section: Resultsmentioning

confidence: 99%

16 Years (2006–2021) of Surface Ozone Measurements in Córdoba (Southern Spain): Trends and the Impact of the COVID-19 Lockdown

Hernández-Ceballos

Jiménez‐Solano

Torres-Fernández

2022

IJERPH

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Surface ozone concentrations (O3) during the period 2006–2021 are analysed at Córdoba city (southern Iberian Peninsula) in suburban and urban sampling sites. The aims are to present the levels and temporal variations, to explore trends and to quantity the variation in O3 concentrations in the context of the COVID-19 lockdown. The O3 means are higher in the suburban station (62 µg m−3 and 51.3 µg m−3), being the information level threshold only exceeded twice during this period. The daily evolution shows a maximum at about 17:00 UTC, whereas the minimum is reached at about 9:00 UTC, with higher levels in the suburban station. The seasonal evolution of this daily cycle also presents monthly differences in shape and intensity between stations. The trends are analysed by means of daily averages and daily 5th and 95th percentiles, and they show a similar increase in all of these parameters, with special emphasis on the daily P95 concentrations, with 0.27 µg m−3 year−1 and 0.24 µg m−3 year−1. Finally, the impact of the COVID-19 lockdown shows a decline in O3 concentrations over 10%.

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Section: Resultsmentioning

confidence: 99%

16 Years (2006–2021) of Surface Ozone Measurements in Córdoba (Southern Spain): Trends and the Impact of the COVID-19 Lockdown

Hernández-Ceballos

Jiménez‐Solano

Torres-Fernández

2022

IJERPH

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“…Después de algo más de un año de medidas continuadas en la torre (diciembre de 2021-diciembre de 2022), en la primera quincena de enero de 2023 el instrumento fue enviado al ATC (Francia) para conseguir superar el proceso de certificación del instrumento, el cual espera ser completado a lo largo de 2023. Desde principios de 2023, se está en proceso de análisis y posterior publicación del primer año de medidas en la torre [11].…”

Section: Torre De 100 Munclassified

ICOS-España. Informe de actividades 2021-2022

2023

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El Sistema Integrado de Observación del Carbono (ICOS) es una infraestructura europea de investigación (ERIC) que tiene por objetivo la monitorización de gases de efecto invernadero. Esta iniciativa está financiada por la Unión Europea y países socios. La Asamblea General de ICOS aprobó la solicitud de adhesión de España, y su incorporación se hizo oficial el 1 de enero de 2021. En la actualidad, la red ICOS-España, donde AEMET ejerce la coordinación, cuenta con cinco estaciones que cubren los dominios: atmosférico, oceánico y de ecosistema. El "Informe de Actividades ICOS-España: 2021-2022" presenta las principales tareas llevadas a cabo en cada estación, con el objetivo de obtener la certificación ICOS y mostrar el estado actual de avance en este proceso. Además, el informe también resume las actividades de comunicación y difusión realizadas por los investigadores que forman parte del nodo nacional.

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“…High concentrations of ozone near the surface can be harmful to humans, animals, crops, and other organisms and materials [2][3][4]. Surface ozone is created through the photochemical interactions of man-made (and natural) emissions of volatile organic compounds (VOCs), nitrogen oxides (NOx), methane (CH4), and free radicals (HOx = OH + HO2 + RO2) in the presence of heat and sunlight [5]. In recent years, ozone pollution, which has attracted extensive attention, has become an important subject and challenge in the prevention and control of atmospheric environmental pollution.…”

Section: Introductionmentioning

confidence: 99%

“…With the decrease in PM 2. 5 , surface ozone has now become a serious environmental pollutant in many cities in China [6]. The Beijing-Tianjin-Tangshan (BJ-TJ-TS) urban agglomeration region, as one of the four industrial bases in China and one of the country's largest, most densely populated, and most economically developed urban agglomerations, is experiencing increasingly serious ozone pollution.…”

Section: Introductionmentioning

confidence: 99%

Spatiotemporal Dynamics of Surface Ozone and Its Relationship with Meteorological Factors over the Beijing–Tianjin–Tangshan Region, China, from 2016 to 2019

Bai

Feng

Han

et al. 2022

Sensors

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In recent years, ozone pollution has been increasing in some parts of the world. In this study, we used the Beijing–Tianjin–Tangshan (BJ-TJ-TS) urban agglomeration region as a case study and used satellite remotely sensed inversion data and hourly ground monitoring observations of surface ozone concentrations, meteorological data, and other factors from 2016 to 2019 to explore the spatiotemporal dynamic characteristics of surface ozone concentration and its pollution levels. We also investigated their coupling relationships with meteorological factors, including temperature, pressure, relative humidity, wind velocity, and sunshine duration, in order to support the development of effective control measures for regional ozone pollution. The results revealed that the surface ozone concentration throughout the BJ-TJ-TS region from 2016 to 2019 exhibited an overall pattern of high values in the northwest and low values in the southeast, as well as an obvious difference between built-up and non-built-up areas (especially in Beijing). Meanwhile, a notable increasing trend of ozone levels was discovered in the BJ and TJ areas from 2016 to 2019, whereas this upward trend was not evident in the TS area. In all three areas, the highest monthly average ozone values occurred in the summer month of June, while the lowest monthly average levels occurred in the winter month of December. Their diurnal variation values reached a maximum value at approximately 3:00–4:00 p.m. and a minimum value at approximately 7:00 a.m. It is clear that high temperature, long sunshine duration, low atmospheric pressure, and weak wind velocity conditions, as well as certain relative humidity levels, readily led to high-concentration ozone pollution. Meanwhile, the daily average values of the five meteorological factors on days with Grade I and Grade II ozone pollution displayed different characteristics.

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Surface ozone trends over a 21-year period at El Arenosillo observatory (Southwestern Europe)

Cited by 10 publications

References 41 publications

16 Years (2006–2021) of Surface Ozone Measurements in Córdoba (Southern Spain): Trends and the Impact of the COVID-19 Lockdown

16 Years (2006–2021) of Surface Ozone Measurements in Córdoba (Southern Spain): Trends and the Impact of the COVID-19 Lockdown

ICOS-España. Informe de actividades 2021-2022

Spatiotemporal Dynamics of Surface Ozone and Its Relationship with Meteorological Factors over the Beijing–Tianjin–Tangshan Region, China, from 2016 to 2019

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