Articles | Volume 18, issue 1
https://doi.org/10.5194/amt-18-265-2025
https://doi.org/10.5194/amt-18-265-2025
Research article
 | 
16 Jan 2025
Research article |  | 16 Jan 2025

The added value and potential of long-term radio occultation data for climatological wind field monitoring

Irena Nimac, Julia Danzer, and Gottfried Kirchengast

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Revised manuscript not accepted
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Subject: Others (Wind, Precipitation, Temperature, etc.) | Technique: Remote Sensing | Topic: Validation and Intercomparisons
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Cited articles

Angerer, B., Ladstädter, F., Scherllin-Pirscher, B., Schwärz, M., Steiner, A. K., Foelsche, U., and Kirchengast, G.: Quality aspects of the Wegener Center multi-satellite GPS radio occultation record OPSv5.6, Atmos. Meas. Tech., 10, 4845–4863, https://doi.org/10.5194/amt-10-4845-2017, 2017. 
Anthes, R. A.: Exploring Earth's atmosphere with radio occultation: contributions to weather, climate and space weather, Atmos. Meas. Tech., 4, 1077–1103, https://doi.org/10.5194/amt-4-1077-2011, 2011. 
Banyard, T. P., Wright, C. J., Hindley, N. P., Halloran, G., Krisch, I., Kaifler, B., and Hoffmann, L.: Atmospheric gravity waves in Aeolus wind lidar observations, Geophys. Res. Lett., 48, e2021GL092756, https://doi.org/10.1029/2021GL092756, 2021. 
Basha, G., Kishore, P., Ratnam, M. V., Ravindra Babu, S., Velicogna, I., Jiang, J. H., and Ao, C. O.: Global climatology of planetary boundary layer top obtained from multi-satellite GPS RO observations, Clim. Dynam., 52, 2385–2398, https://doi.org/10.1007/s00382-018-4269-1, 2019. 
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Short summary
Due to the shortcomings of available observations, having accurate global 3D wind fields remains a challenge. A promising option is radio occultation (RO) satellite data, which enable the derivation of winds based on wind approximations. We test how well RO winds describe the ERA5 winds. We separate the total wind difference into the approximation bias and the systematic difference between the two datasets. The results show the utility of RO winds for climate monitoring and analyses.
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