the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Quality aspects of the Wegener Center multi-satellite GPS radio occultation record OPSv5.6
Barbara Angerer
Florian Ladstädter
Barbara Scherllin-Pirscher
Marc Schwärz
Andrea K. Steiner
Ulrich Foelsche
Gottfried Kirchengast
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We investigated the potential of radio occultation (RO) data for climate-oriented wind field monitoring, focusing on the equatorial band within ±5° latitude. In this region, the geostrophic balance breaks down, and the equatorial balance approximation takes over. The study encourages the use of RO wind fields for mesoscale climate monitoring for the equatorial region, showing a small improvement in the troposphere when including the meridional wind in the zonal-mean total wind speed.
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This paper presents a supervised-machine-learning approach for the automatic isolation of nocturnal low-level jets (NLLJs) using observations from a radar wind profiler. This analysis isolated 90 southwesterly NLLJs observed from May to September 2017–2021, highlighting key features in the evolution and morphology of the mid-Atlantic NLLJ.