31 citations · 31 across the 2 of their papers we have counts for
2 papers
astro-ph.SR2026
Photospheric index of geomagnetic activity
Ismo Tähtinen, Timo Qvick, Timo Asikainen +1
Geomagnetic indices quantify the disturbances of the Earth's magnetic field. They form an important space weather and space climate record that tracks solar-terrestrial effects on…
astro-ph.SR2022★ 31 cited
Magnetic storms during the space age: Occurrence and relation to varying solar activity
Kalevi Mursula, Timo Qvick, Lauri Holappa +1
We study the occurrence of magnetic storms in space age (1957-2021) using Dst and Dxt indices. We find 2526/2743 magnetic storms in the Dxt/Dst index, out of which 45% are weak, 40…