Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 1, issue 2
Articles | Volume 1, issue 2
https://doi.org/10.5194/wcd-1-459-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-1-459-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 1, issue 2
Research article
 | 
10 Sep 2020
Research article |  | 10 Sep 2020

The life cycle of upper-level troughs and ridges: a novel detection method, climatologies and Lagrangian characteristics

Sebastian Schemm, Stefan Rüdisühli, and Michael Sprenger

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Short summary
Troughs and ridges are ubiquitous flow features in the upper troposphere and are centerpiece elements of weather and climate research. A novel method is introduced to identify and track the life cycle of troughs and ridges and their orientation. The aim is to close the existing gap between methods that detect the initiation phase and methods that detect the decaying phase of Rossby wave development. Global climatologies, the influence of ENSO and Lagrangian characteristics are discussed.
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