Investigation of TEC variations over the magnetic equatorial and equatorial anomaly regions of the African sector

Interplanetary origin of geomagnetic storms

W. D. González, B. T. Tsurutani, Alicia González · Space Science Reviews · 1999 · 672 citations

Natural Sciences, Earth Sciences, Geophysics +14

The extreme magnetic storm of 1–2 September 1859

B. T. Tsurutani, W. D. González, G. S. Lakhina et al. · Journal of Geophysical Research Atmospheres · 2003 · 559 citations

Natural Sciences, Astronomy, Earth Sciences +13

Extending comprehensive models of the Earth's magnetic field with Ørsted and CHAMP data

Terence J. Sabaka, Nils Olsen, Michael E. Purucker · Geophysical Journal International · 2004 · 443 citations · Full text

Natural Sciences, Earth Sciences, Geophysics +17

The three‐hour‐range index measuring geomagnetic activity

J. Bartels, N. H. Heck, Hamish Johnston · Terrestrial Magnetism and Atmospheric Electricity · 1939 · 395 citations

Natural Sciences, Earth Sciences, Geophysics +13

Temporal and spatial variations in TEC using simultaneous measurements from the Indian GPS network of receivers during the low solar activity period of 2004–2005

P. V. S. Rama Rao, S. Gopi Krishna, K. Niranjan et al. · Annales Geophysicae · 2006 · 300 citations · Full text

Natural Sciences, Earth Sciences, Geomagnetism +15