Articles | Volume 22, issue 6
https://doi.org/10.5194/acp-22-4019-2022
© Author(s) 2022. 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-22-4019-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
An assessment of tropopause characteristics of the ERA5 and ERA-Interim meteorological reanalyses
Jülich Supercomputing Centre, Forschungszentrum Jülich, Jülich, Germany
Center for Advanced Simulation and Analytics (CASA), Forschungszentrum Jülich, Jülich, Germany
Reinhold Spang
Institut für Energie- und Klimaforschung (IEK-7), Forschungszentrum Jülich, Jülich, Germany
Center for Advanced Simulation and Analytics (CASA), Forschungszentrum Jülich, Jülich, Germany
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Latest update: 13 Dec 2024
Short summary
We present an intercomparison of 2009–2018 lapse rate tropopause characteristics as derived from ECMWF's ERA5 and ERA-Interim reanalyses. Large-scale features are similar, but ERA5 shows notably larger variability, which we mainly attribute to UTLS temperature fluctuations due to gravity waves being better resolved by ECMWF's IFS forecast model. Following evaluation with radiosondes and GPS data, we conclude ERA5 will be a more suitable asset for tropopause-related studies in future work.
We present an intercomparison of 2009–2018 lapse rate tropopause characteristics as derived from...
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