@Article{acp-16-15485-2016,
AUTHOR = {Ball, W. T. and Kucha\v{r}, A. and Rozanov, E. V. and Staehelin, J. and Tummon, F. and Smith, A. K. and Sukhodolov, T. and Stenke, A. and Revell, L. and Coulon, A. and Schmutz, W. and Peter, T.},
TITLE = {An upper-branch Brewer--Dobson circulation index for\hack{\newline}
attribution of stratospheric variability and improved ozone\hack{\newline} and temperature trend analysis},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {16},
YEAR = {2016},
NUMBER = {24},
PAGES = {15485--15500},
URL = {https://acp.copernicus.org/articles/16/15485/2016/},
DOI = {10.5194/acp-16-15485-2016}
}