Articles | Volume 20, issue 6
Atmos. Chem. Phys., 20, 3945–3963, 2020
https://doi.org/10.5194/acp-20-3945-2020
Atmos. Chem. Phys., 20, 3945–3963, 2020
https://doi.org/10.5194/acp-20-3945-2020

Research article 02 Apr 2020

Research article | 02 Apr 2020

The influence of typhoons on atmospheric composition deduced from IAGOS measurements over Taipei

Frank Roux et al.

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Ozone, carbon monoxide and relative humidity were measured by two China Airlines aircraft equipped with IAGOS instruments during the summer of 2016. We examined landing and take-off profiles near Taipei (Taiwan), in the vicinity of three typhoons, in relation to ERA-5 meteorological reanalyses. Upstream of the storms, these data suggest that air is transported downwards from the stratosphere. Downstream, the troposphere is cleaner and moister due to the uplift of marine boundary layer air.
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