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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 17, issue 11
Atmos. Chem. Phys., 17, 6813–6823, 2017
https://doi.org/10.5194/acp-17-6813-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 17, 6813–6823, 2017
https://doi.org/10.5194/acp-17-6813-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 12 Jun 2017

Research article | 12 Jun 2017

Response of trace gases to the disrupted 2015–2016 quasi-biennial oscillation

Olga V. Tweedy et al.

Data sets

SBUV Merged Ozone Data Set (MOD) NASA https://acd-ext.gsfc.nasa.gov/Data_services/merged/

NASA Earth Science Data NASA https://acd-ext.gsfc.nasa.gov/Data_services/merged/

Daily global radiosonde data NOAA Climate Prediction Center http://haloe.gats-inc.com

The Halogen Occultation Experiment (HALOE) Version 19 Data NASA Langley Research Center http://www.cosmic.ucar.edu

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Short summary
In this study we examined the impact of unprecedented disruption in the wind pattern (the quasi-biennial oscillation, or QBO) in the tropical stratosphere (16–48 km above the ground) on chemicals very important to the stratospheric climate such as ozone (O3). During the 2016 boreal summer, total O3 is lower in the extratropics than during previous QBO cycles due to lifting forced from the disruption. This decrease in O3 led to the increase in surface UV index by 8.5 % compared to the 36 yr mean.
In this study we examined the impact of unprecedented disruption in the wind pattern (the...
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