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Ozone and carbon monoxide at the Ushuaia GAW-WMO global station
Title: Ozone and carbon monoxide at the Ushuaia GAW-WMO global station
Authors: Adame, José AntonioCupeiro, ManuelYela González, MargaritaCuevas Agulló, Emilio ORCID RESEARCHERID SCOPUSID Autor AEMETCarbajal Benítez, Gerardo
Keywords: Surface ozone; Carbon monoxide; Ushuaia GAW-WMO global station; AIRS instrument
Issue Date: 2019
Publisher: Elsevier
Citation: Atmospheric Research. 2019, 217, p. 1-9
Publisher version:
Abstract: Five years (2010–2014) of hourly surface measurements of ozone (O3) and carbon monoxide (CO) at the GAW-WMO station in Ushuaia (Argentina) were analysed and characterised. A meteorological study of the region was carried out using in situ observations and meteorological fields from the ECMWF (European Centre for Medium-Range Weather Forecast) global meteorological model. Atmospheric transport was investigated with the air mass trajectories computed with HYSPLIT (Hybrid Single Particle Lagrangian Integrated Trajectory) model using ERA-Interim meteorological fields. Airflows primarily arise from the W-SW (South Pacific Ocean) which are associated with an almost permanent low pressure system. Collected winds from the South (Antarctic Peninsula and Weddell Sea), polar easterlies, occur less frequently. The hourly averages of O3 and CO were 20 ± 7 ppb and 71 ± 45 ppb, respectively, typical values in remote environments.
Sponsorship : This work was supported by the Spanish Ministerio de Economía y Competitividad (MINECO) under grant CGL2011-24891 (HELADO project).
ISSN: 0169-8095
Appears in Collections:Artículos científicos 2019-2022

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