Ozone Episodes in Northern and Western Iberia: Understanding and Quantifying the Sources and Transport Mechanisms by Integrated Process Analysis

Torre-Pascual, Eduardo; Ferreira, Joana; Cámara, Estíbaliz Sáez de; Gama, Carla; Gangoiti, Gotzon

doi:10.1007/978-3-031-12786-1_21

Cited by 2 publications

(1 citation statement)

References 8 publications

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“…Thus, a significant local contribution was added to the already existing regional transport of polluted air masses. In DN, over WAI, the pattern of inflow with the sea breeze and impact on inland areas was repeated as shown in Figure S3, also documented in 570 other studies (Evtyugina et al, 2007;Monteiro et al, 2012Monteiro et al, , 2016Torre-Pascual et al, 2023). 3, 5, and 6 was caused by the impacts of these air masses, but not with such intensity on August 4 (Figure S3) because of a more Southerly trajectory during that day of the polluted air mass (not shown).…”

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confidence: 69%

Analysis of an intense O₃ pollution episode in the Atlantic Coast of the Iberian Peninsula using photochemical modelling: characterization of transport pathways and accumulation processes

Torre-Pascual,

Gangoiti,

Rodríguez-García

et al. 2023

Preprint

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Abstract. A tropospheric O3 pollution episode over the Atlantic Coast of the Iberian Peninsula during August 2–6 in 2018 has been analyzed. The episode was characterized by a permanent wind shear throughout the entire period, making the observed ozone surface distribution especially difficult to explain. A new methodology is described analyzing upper-level atmospheric parameters, such as temperature, wind direction, wind speed, and O3 concentrations, added to the traditional use of surface parameters, using WRF-CAMx models and available surface and upper-air observations. Results indicate that the episode was characterized by a first phase of a sudden increase in O3 concentrations produced by fumigation and interregional transport processes within the Iberian Peninsula, followed by a continental O3 transport from Europe to the Atlantic Coast. An Atlantic front produced the dissipation of the episode, generating an “ozone front” heading the cold front passage across the region.

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supporting

confidence: 69%

Analysis of an intense O₃ pollution episode in the Atlantic Coast of the Iberian Peninsula using photochemical modelling: characterization of transport pathways and accumulation processes

Torre-Pascual,

Gangoiti,

Rodríguez-García

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

Analysis of an intense O₃ pollution episode on the Atlantic coast of the Iberian Peninsula using photochemical modeling: characterization of transport pathways and accumulation processes

Torre-Pascual,

Gangoiti,

Rodríguez-García

et al. 2024

Atmos. Chem. Phys.

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Abstract. A tropospheric O3 pollution episode over the Atlantic coast of the Iberian Peninsula during 2–6 August 2018 has been analyzed. The episode was characterized by a permanent wind shear throughout the entire period, making the observed ozone surface distribution especially difficult to explain. A new methodology is described to analyze upper-level atmospheric parameters, such as temperature, wind direction, wind speed, and O3 concentrations, added to the traditional use of surface parameters, using the Weather Research and Forecasting (WRF) and Comprehensive Air Quality Model with Extensions (CAMx) models as well as available surface and upper-air observations. Results indicate that the episode was characterized by a first phase of a sudden increase in O3 concentrations produced by fumigation and inter-regional transport processes within the Iberian Peninsula, followed by continental O3 transport from Europe to the Atlantic coast. An Atlantic front produced the dissipation of the episode, generating an “ozone front” accompanying the cold front passage across the region.

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Ozone Episodes in Northern and Western Iberia: Understanding and Quantifying the Sources and Transport Mechanisms by Integrated Process Analysis

Cited by 2 publications

References 8 publications

Analysis of an intense O₃ pollution episode in the Atlantic Coast of the Iberian Peninsula using photochemical modelling: characterization of transport pathways and accumulation processes

Analysis of an intense O₃ pollution episode in the Atlantic Coast of the Iberian Peninsula using photochemical modelling: characterization of transport pathways and accumulation processes

Analysis of an intense O₃ pollution episode on the Atlantic coast of the Iberian Peninsula using photochemical modeling: characterization of transport pathways and accumulation processes

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Ozone Episodes in Northern and Western Iberia: Understanding and Quantifying the Sources and Transport Mechanisms by Integrated Process Analysis

Cited by 2 publications

References 8 publications

Analysis of an intense O3 pollution episode in the Atlantic Coast of the Iberian Peninsula using photochemical modelling: characterization of transport pathways and accumulation processes

Analysis of an intense O3 pollution episode in the Atlantic Coast of the Iberian Peninsula using photochemical modelling: characterization of transport pathways and accumulation processes

Analysis of an intense O3 pollution episode on the Atlantic coast of the Iberian Peninsula using photochemical modeling: characterization of transport pathways and accumulation processes

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Analysis of an intense O₃ pollution episode in the Atlantic Coast of the Iberian Peninsula using photochemical modelling: characterization of transport pathways and accumulation processes

Analysis of an intense O₃ pollution episode in the Atlantic Coast of the Iberian Peninsula using photochemical modelling: characterization of transport pathways and accumulation processes

Analysis of an intense O₃ pollution episode on the Atlantic coast of the Iberian Peninsula using photochemical modeling: characterization of transport pathways and accumulation processes