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Higher‐Order Gravity Waves and Traveling Ionospheric Disturbances From the Polar Vortex Jet on 11–15 January 2016: Modeling With HIAMCM‐SAMI3 and Comparison With Observations in the Thermosphere and Ionosphere
Abstract
In Vadas et al. (2024, https://doi.org/10.1029/2024ja032521), we modeled the atmospheric gravity waves (GWs) during 11–14 January 2016 using the HIAMCM, and found that the polar vortex jet generates medium to large-scale, higher-order GWs in the thermosphere. In this paper, we model the traveling ionospheric disturbances (TIDs) generated by these GWs using the HIAMCM-SAMI3 and compare with ionospheric observations from ground-based Global Navigation Satellite System (GNSS) receivers, Incoherent Scatter Radars (ISR) and the Super Dual Auroral Radar Network (SuperDARN). We find that medium to large-scale TIDs are generated worldwide by the higher-order GWs from this event. Many of the TIDs over Europe and Asia have concentric ring/arc-like structure, and most of those over North/South America have planar wave structure and occur during the daytime. Those over North/South America propagate southward and are generated by higher-order GWs from Europe/Asia which propagate over the Arctic. These latter TIDs can be misidentified as arising from geomagnetic forcing. We find that the higher-order GWs that propagate to Africa and Brazil from Europe may aid in the formation of equatorial plasma bubbles (EPBs) there. We find that the simulated GWs, TIDs and EPBs agree with EISCAT, PFISR, GNSS, and SuperDARN measurements. We find that the higher-order GWs are concentrated at 60 - 90 degrees N at z>= 200 km, in agreement with GOCE and CHAMP data. Thus the polar vortex jet is important for generating TIDs in the northern winter ionosphere via multi-step vertical coupling through GWs.
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Authors (14)
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Sharon L. Vadas
- Northwest Research Associates, Boulder, CO, USA
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David R. Themens
- University of Birmingham, Birmingham, UK
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Joseph D. Huba
- Syntek Technologies, Fairfax, VA, USA
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Erich Becker
- Northwest Research Associates, Boulder, CO, USA
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Katrina Bossert
- Arizona State University, Tempe, AZ, USA
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Larisa Goncharenko
- Haystack Observatory, Massachusetts Institute of Technology, Westford, MA, USA
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Sophie J. Maguire
- University of Birmingham, Birmingham, UK
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Cosme A. O. B. Figueiredo
- Federal University of Campina Grande, UFCG, Campina Grande, Brazil
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Shuang Xu
- Lawrence Livermore National Laboratory, Livermore, CA, USA
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V. Lynn Harvey
- Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, USA
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Nathaniel A. Frissell
- Department of Physics and Engineering, University of Scranton, Scranton, PA, USA
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Michael J. Molzen
- Department of Physics and Engineering, University of Scranton, Scranton, PA, USA
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Thomas J. Pisano
- Department of Physics and Engineering, University of Scranton, Scranton, PA, USA
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
no. 130,
pages 1 - 36,
ISSN: 2169-9380 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Vadas S. L., Themens D. R., Huba J. D., Becker E., Bossert K., Goncharenko L., Maguire S. J., Figueiredo C. A. O. B., Xu S., Harvey V. L., Frissell N. A., Molzen M. J., Pisano T. J., Nykiel G.: Higher‐Order Gravity Waves and Traveling Ionospheric Disturbances From the Polar Vortex Jet on 11–15 January 2016: Modeling With HIAMCM‐SAMI3 and Comparison With Observations in the Thermosphere and Ionosphere// JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS -Vol. 130,iss. 1 (2025),
- DOI:
- Digital Object Identifier (open in new tab) 10.1029/2024ja033040
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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