Articles | Volume 38, issue 2
Ann. Geophys., 38, 421–435, 2020
https://doi.org/10.5194/angeo-38-421-2020
Ann. Geophys., 38, 421–435, 2020
https://doi.org/10.5194/angeo-38-421-2020

Regular paper 31 Mar 2020

Regular paper | 31 Mar 2020

Migrating and non-migrating tides observed in the stratosphere from FORMOSAT-3/COSMIC temperature retrievals

Uma Das et al.

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Cited articles

Anthes, R. A., Ector, D., Hunt, D. C., Kuo, Y. H., Rocken, C., Schreiner, W. S., Sokolovskiy, S. V., Syndergaard, S., Wee, T. K., Zeng, Z., Bernhardt, P. A., Dymond, K. F., Chen, Y., Liu, H., Manning, K., Randel, W. J., Trenberth, K. E., Cucurull, L., Healy, S. B., Ho, S. P., McCormick, C., Meehan, T. K., Thompson, D. C., and Yen, N. L.: The COSMIC/FORMOSAT-3 Mission: Early Results, Bull. Am. Meteorl. Soc., 89, 313–333, 2008. a, b
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Baumgarten, K., Gerding, M., Baumgarten, G., and Lubken, F.-J.: Temporal variability of tidal and gravity waves during a record long 10-day continuous lidar sounding, Atmos. Chem. Phys., 18, 371–384, https://doi.org/10.5194/acp-18-371-2018, 2018. a
Chapman, S. and Lindzen, R.: Atmospheric Tides: Thermal and Gravitational, Springer Netherlands, https://doi.org/10.1007/978-94-010-3399-2, 1970. a
COSMIC Data Analysis and Archive Center (Constellation Observing System for Meteorology/Ionosphere and Climate): Atmospheric Profiles (atmPrf) from COSMIC Occultation Data. COSMIC Data Analysis and Archive Center, https://cdaac-www.cosmic.ucar.edu/cdaac/products.html (last access: 6 August 2019), 2013. 
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Short summary
Temperatures obtained from FORMOSAT-3 and COSMIC observations in the stratosphere are analysed for tidal variations. It is seen that non-migrating tides are not very significant in the high-latitude winter stratosphere. It is shown that the observed amplitudes of these tides in earlier studies are most probably a result of aliasing and are not geophysical in nature. Thus, the process of non-linear interactions through which it was believed that they are produced seems to be unimportant.