Articles | Volume 19, issue 19
https://doi.org/10.5194/acp-19-12607-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-12607-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Evidence of small-scale quasi-isentropic mixing in ridges of extratropical baroclinic waves
Institute for Atmospheric Physics, Johannes Gutenberg University, Mainz, Germany
Peter Hoor
Institute for Atmospheric Physics, Johannes Gutenberg University, Mainz, Germany
Thorsten Kaluza
Institute for Atmospheric Physics, Johannes Gutenberg University, Mainz, Germany
Jörn Ungermann
IEK-7, Forschungszentrum Jülich, Jülich, Germany
Björn Kluschat
Institute for Atmospheric Physics, Johannes Gutenberg University, Mainz, Germany
Andreas Giez
Flight Experiments, Deutsches Zentrum für Luft- und Raumfahrt, Oberpfaffenhofen, Germany
Hans-Christoph Lachnitt
Institute for Atmospheric Physics, Johannes Gutenberg University, Mainz, Germany
Martin Kaufmann
IEK-7, Forschungszentrum Jülich, Jülich, Germany
Institute for Atmospheric and Environmental Research, University of Wuppertal, Wuppertal, Germany
Martin Riese
IEK-7, Forschungszentrum Jülich, Jülich, Germany
Institute for Atmospheric and Environmental Research, University of Wuppertal, Wuppertal, Germany
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- Long-term changes in the thermodynamic structure of the lowermost stratosphere inferred from reanalysis data F. Weyland et al.
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34 citations as recorded by crossref.
- The influence of extratropical cross-tropopause mixing on the correlation between ozone and sulfate aerosol in the lowermost stratosphere P. Joppe et al.
- N2O Temporal Variability from the Middle Troposphere to the Middle Stratosphere Based on Airborne and Balloon-Borne Observations during the Period 1987–2018 G. Krysztofiak et al.
- Clear air turbulence over the Tibetan Plateau and its effect on ozone transport in the upper troposphere-lower stratosphere K. Guo et al.
- Transport of Biomass Burning Aerosol into the Extratropical Tropopause Region over Europe via Warm Conveyor Belt Uplift P. Joppe et al.
- The TropoPause Composition TOwed Sensor Shuttle (TPC-TOSS): a new airborne dual platform approach for atmospheric composition measurements at the tropopause H. Bozem et al.
- Mixing at the extratropical tropopause as characterized by collocated airborne H2O and O3 lidar observations A. Schäfler et al.
- A convolution of observational and model data to estimate age of air spectra in the northern hemispheric lower stratosphere M. Hauck et al.
- Case study on the influence of synoptic-scale processes on the paired H2O–O3 distribution in the UTLS across a North Atlantic jet stream A. Schäfler et al.
- Simulated mixing in the UTLS by small-scale turbulence using multi-scale chemistry-climate model MECO(n) C. Chau et al.
- Impact of cirrus on extratropical tropopause structure N. Emig et al.
- Tug‐Of‐War on Idealized Midlatitude Cyclones Between Radiative Heating From Low‐Level and High‐Level Clouds A. Voigt et al.
- Parametrizing the mixing by clear air turbulence in the chemistry climate model EMAC and its respective radiative impact C. Chau et al.
- The interhemispheric gradient of SF6 in the upper troposphere T. Schuck et al.
- Vertical structure of the lower-stratospheric moist bias in the ERA5 reanalysis and its connection to mixing processes K. Krüger et al.
- Quantification and mitigation of the instrument effects and uncertainties of the airborne limb imaging FTIR GLORIA J. Ungermann et al.
- Multi-parameter dynamical diagnostics for upper tropospheric and lower stratospheric studies L. Millán et al.
- Contribution of gravity waves to shear in the extratropical lowermost stratosphere: insights from idealized baroclinic life cycle experiments M. Umbarkar & D. Kunkel
- An analysis about the linkage between precipitation and atmosphere stratification at climate scale J. Hao et al.
- Analysis of Turbulence Reports and ERA5 Turbulence Diagnostics in a Tropopause‐Based Vertical Framework T. Kaluza et al.
- Occurrence frequency of subcritical Richardson numbers assessed by global high-resolution radiosonde and ERA5 reanalysis J. Shao et al.
- Enhancement of O3–CO ratios at tropospheric subtropical latitudes: Photochemistry and stratospheric influence L. Ort et al.
- Clear Air Turbulence Observed Across a Tropopause Fold Over the Drake Passage—A Case Study P. Rodriguez Imazio et al.
- Temporal–Spatial Variations of Atmospheric Static Stability: A Comparison of the Influences from Temperature and Its Vertical Difference E. Lu et al.
- Tracing elevated abundance of CH2Cl2 in the subarctic upper troposphere to the Asian Summer Monsoon M. Jesswein et al.
- Large hemispheric difference in nucleation mode aerosol concentrations in the lowermost stratosphere at mid- and high latitudes C. Williamson et al.
- Waves and coherent flows in the tropical atmosphere: New opportunities, old challenges C. Stephan et al.
- Technical note: Water vapour climatologies in the extra-tropical upper troposphere and lower stratosphere derived from a synthesis of passenger and research aircraft measurements P. Konjari et al.
- Long-term changes in the thermodynamic structure of the lowermost stratosphere inferred from reanalysis data F. Weyland et al.
- In situ observations of CH2Cl2 and CHCl3 show efficient transport pathways for very short-lived species into the lower stratosphere via the Asian and the North American summer monsoon V. Lauther et al.
- Airborne glyoxal measurements in the marine and continental atmosphere: comparison with TROPOMI observations and EMAC simulations F. Kluge et al.
- Organic and inorganic bromine measurements around the extratropical tropopause and lowermost stratosphere: insights into the transport pathways and total bromine M. Rotermund et al.
- On the occurrence of strong vertical wind shear in the tropopause region: a 10-year ERA5 northern hemispheric study T. Kaluza et al.
- The Mission Support System (MSS v7.0.4) and its use in planning for the SouthTRAC aircraft campaign R. Bauer et al.
- Global seasonal distribution of CH2Br2 and CHBr3 in the upper troposphere and lower stratosphere M. Jesswein et al.
Saved (final revised paper)
Latest update: 30 Apr 2026
Short summary
In this study we present a mixing process around the tropopause in extratropical baroclinic waves. We analyze airborne data from a flight during the WISE campaign in autumn 2017 over the North Atlantic. We use idealized experiments to study the mixing process. Although the process occurs on a small geographical scale, it might be of importance due to its relation to a frequent feature of the extratropical UTLS. The process is relevant for STE but is not fully included in climatologies.
In this study we present a mixing process around the tropopause in extratropical baroclinic...
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