Publications

Large internal variability dominates over global warming signal in observed lower stratospheric QBO amplitude

Published in Journal of Climate, 2021

We hypothesize that QBO amplitude responds to global warming by shifting upwards along with the expanding tropopshere.

Recommended citation: Match, A., S. Fueglistaler, 2021: "Large internal variability dominates over global warming signal in observed lower stratospheric QBO amplitude." Journal of Climate. 34, 24, 9823-9836. https://doi.org/10.1175/JCLI-D-21-0270.1

Anomalous dynamics of QBO disruptions explained by 1D theory with external triggering

Published in Journal of the Atmospheric Sciences, 2021

Key aspects of the 2015/2016 QBO disruption can be explained with the classical theory of the QBO. This theory predicts key aspects of the 2019/2020 as well.

Recommended citation: Match, A., S. Fueglistaler, 2021: "Anomalous dynamics of QBO disruptions explained by 1D theory with external triggering." Journal of the Atmospheric Sciences. 78, 2, 373-383. https://doi.org/10.1175/JAS-D-20-0172.1

Mean flow damping forms the buffer zone of the Quasi-Biennial Oscillation: 1D theory

Published in Journal of the Atmospheric Sciences, 2020

We show that the previous theory for the formation of the buffer zone of the QBO is circular. We proposed an updated theory: mean flow damping forms the buffer zone of the QBO.

Recommended citation: Match, A., S. Fueglistaler, 2020: "Mean flow damping forms the buffer zone of the Quasi-Biennial Oscillation: 1D theory." Journal of the Atmospheric Sciences, 77, 1955-67. https://doi.org/10.1175/JAS-D-19-0293.1

The Buffer Zone of the Quasi-Biennial Oscillation

Published in Journal of the Atmospheric Sciences, 2019

The region where there is low QBO power despite sufficient vertically propagating wave activity to drive a QBO—the buffer zone—appears to be formed by mean flow damping due to horizontal eddy momentum flux divergence.

Recommended citation: Match, A., S. Fueglistaler, 2019: "The buffer zone of the Quasi-Biennial Oscillation." Journal of the Atmospheric Sciences. 76, 11, 3553-3567. https://doi.org/10.1175/JAS-D-19-0151.1

Defining sudden stratospheric warmings

Published in Bulletin of the American Meteorological Society, 2015

How has the sudden stratospheric warming (SSW) definition changed, and how sensitive is the detection of SSWs to the definition used?