Synchronous observations of traveling ionospheric disturbances by the multipoint Doppler sounding, ionosonde and the incoherent scatter radar: Case study

0582758 - ÚFA 2025 RIV NL eng J - Článek v odborném periodiku
Aksonova, Kateryna D. - Sopin, A. O. - Burešová, Dalia - Zalizovski, A. V. - Domnin, I. F.
Synchronous observations of traveling ionospheric disturbances by the multipoint Doppler sounding, ionosonde and the incoherent scatter radar: Case study.
Advances in Space Research. Roč. 73, č. 9 (2024), s. 4414-4425. ISSN 0273-1177. E-ISSN 1879-1948
GRANT EU: European Commission(XE) 101007599 - PITHIA
Institucionální podpora: RVO:68378289
Klíčová slova: Incoherent scatter radar * Doppler sounding * Mid-latitude ionosphere * Traveling ionospheric disturbances * Quiet geomagnetic conditions * Solar terminator
Obor OECD: Fluids and plasma physics (including surface physics)
Impakt faktor: 2.6, rok: 2022
Způsob publikování: Open access
https://www.sciencedirect.com/science/article/abs/pii/S0273117724000589

In this paper, we present the results of a special experimental study of quiet-time behavior of the mid-latitude ionosphere over Eastern Europe by synchronously operation of different ground-based facilities. For the first time we used data obtained from Kharkiv incoherent scatter (IS) radar, ionosonde and coherent Doppler HF sounding system to detect and investigate traveling ionospheric disturbances (TIDs). The periods close to winter solstice and autumn equinox in 2018 were analyzed. The dominant periods and horizontal phase velocities of registered TIDs were 45–80 min and 230–460 m s−1, respectively. The strongest signatures were observed in the solstice measurement and represented by large amplitudes. Based on results obtained by all three methods, we found the LS TIDs with the same interval of time and altitude of propagation and similar characteristics (the period of about 50 min, estimated vertical 80 m/s and horizontal 460 m/s velocity and horizontal spatial scale size about 1360 km) for winter measurement. Such observational findings confirm the reliability of these TID detection techniques. Possible sources of TIDs generation were considered including solar terminator.
Trvalý link: https://hdl.handle.net/11104/0350834