Articles | Volume 18, issue 13
Research article
03 Jul 2018
Research article |  | 03 Jul 2018

Harmonisation and trends of 20-year tropical tropospheric ozone data

Elpida Leventidou, Mark Weber, Kai-Uwe Eichmann, John P. Burrows, Klaus-Peter Heue, Anne M. Thompson, and Bryan J. Johnson

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Short summary
Three individual tropical tropospheric ozone (TTCO) datasets (1996–2015) retrieved with the convective-cloud differential method (Leventidou et al., 2016) have been harmonised in order to study the global and regional TTCO trends. The trends range between −4 to 4 DU per decade testing six different merging scenarios. No trend has been found for the global tropics using the preferred scenario. It is concluded that harmonisation is one of the major sources of uncertainty in the trend estimates.
Final-revised paper