Spatiotemporal evolution and frequency dependence of CNA variations associated with substorms: Multi-frequency riometer observations in Finland

Ayaka Oyama

Presentation information

[E] Poster

P (Space and Planetary Sciences ) » P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM19] Dynamics of the Inner Magnetospheric System

Fri. May 29, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

5:15 PM - 7:00 PM

[PEM19-P09] Spatiotemporal evolution and frequency dependence of CNA variations associated with substorms: Multi-frequency riometer observations in Finland

*Ayaka Oyama¹, Keisuke Hosokawa¹, Shin-ichiro Oyama^2,3,4, Yoshimasa Tanaka³ (1. Graduate School of Informatics and Engineering, University of Electro-Communications, 2. ISEE, Nagoya University, 3. National Institute of Polar Research, 4. University of Oulu, Finland)

Keywords:Multi-frequency Riometer, spectral dependence, Substorm