Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 17, issue 16
Articles | Volume 17, issue 16
https://doi.org/10.5194/amt-17-4979-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/amt-17-4979-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 16
Research article
 | 
30 Aug 2024
Research article |  | 30 Aug 2024

Closing the gap in the tropics: the added value of radio-occultation data for wind field monitoring across the Equator

Julia Danzer, Magdalena Pieler, and Gottfried Kirchengast

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Short summary

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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Observing atmosphere and climate with occultation techniques...