Importance of the semidiurnal tide, and future measurements needed to improve its characterization

Goncharenko, Larisa; Liu, Han-Li; Chau, Jorge; Stober, Gunter; Sunkara, Eswaraiah; Zabotin, Nikolay (2023). Importance of the semidiurnal tide, and future measurements needed to improve its characterization. Bulletin of the American Astronomical Society, 55(3) American Astronomical Society 10.3847/25c2cfeb.8afcb212

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Interactions between lower atmosphere and space is an exciting new frontier in geospacer science. We recommend that the community should emphasize understanding of semidiurnal tidal variations and their impact on the ionosphere-thermosphere-mesosphere (ITM) system as a major component of lower/upper atmosphere coupling studies. Many factors about tidal influence on the ITM system remain unknown, primarily due to the lack of observations in the critical altitude region between 90-200 km, where waves reach their peak amplitudes and are damped. We propose multi-pronged solution that consists of several components: 1) investment in advanced ground-based observational capabilities, including networks of instrumentation; 2) further investments in incoherent scatter radars capabilities for understanding tidal dynamics above ~105km altitude; 3) implementation of DYNAMIC-like mission to obtain global, day and night wind and temperature observations, with further expansion to a more comprehensive DYNAMIC+ mission; implementation of GDC mission to understand global ionospheric response; 4) strengthening of inter-division (within single agency), inter-agency, and international collaboration to maximize return on investment in research infrastructure.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Institute of Applied Physics
10 Strategic Research Centers > Oeschger Centre for Climate Change Research (OCCR)
08 Faculty of Science > Institute of Applied Physics > Microwaves

UniBE Contributor:

Stober, Gunter

Subjects:

500 Science > 570 Life sciences; biology
600 Technology > 620 Engineering
500 Science
500 Science > 530 Physics

ISSN:

0002-7537

Publisher:

American Astronomical Society

Language:

English

Submitter:

Simone Corry

Date Deposited:

08 Sep 2023 16:40

Last Modified:

08 Sep 2023 16:50

Publisher DOI:

10.3847/25c2cfeb.8afcb212

BORIS DOI:

10.48350/186161

URI:

https://boris.unibe.ch/id/eprint/186161

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