TY JOUR TI Analytical information system for control and spectral analysis of geomagnetic field and space weather parameters KW Geoinformation systems KW geomagnetic variations KW analytical information systems KW geomagnetic field KW space weather KW magnetic storms KW data assimilation KW integration and fusion JO Russian Journal of Earth Sciences AU Vorobev, A.V. AU Vorobeva, G.R. PY 2016 IS 16 PB Geophysical Center of the Russian Academy of Sciences