52 citations · 114 across the 10 of their papers we have counts for
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physics.space-ph2014★ 16 cited
What causes geomagnetic activity during sunspot minimum
Boian Kirov, Simeon Asenovski, Katya Georgieva +1
The average geomagnetic activity during sunspot minimum has been continuously decreasing in the last four cycles. The geomagnetic activity is caused by both interplanetary disturba…
astro-ph.SR2014
Solar magnetic fields and terrestrial climate
Katya Georgieva, Yury Nagovitsyn, Boian Kirov
Solar irradiance is considered one of the main natural factors affecting terrestrial climate, and its variations are included in most numerical models estimating the effects of nat…