Solar-terrestrial interaction: Case study of Caspian Sea level changes

The results of the analysis of the average annual values concerning the Caspian Sea level, obtained according to the ground and satellite observations, and also the corresponding characteristics of solar activity, earth’s magnetic field and a length of day are presented. Spectra of the indicated processes are investigated and their approximation models are also built. Previously assumed statistical dependence between space-geophysical processes and Caspian Sea level (CSL) changes is confirmed. Close connection is revealed in the low-frequency models of the solar and geomagnetic activity change with the sea level. Prediction to the next decades shows the high probability of an increase in CSL and decrease of the compared space-geophysical parameters. © 2016, Institute of Astronomy and Rozhen NAO. All rights reserved.

Authors
Kaftan V. 1, 2 , Komitov B.3 , Lebedev S.1, 4
Journal
Bulgarian Astronomical Journal
Publisher
Institute of Astronomy and Rozhen NAO
Language
English
Status
Published
Link
External link
Volume
25
Year
2016
Organizations
  • 1 Geophysical Center of the Russian Academy of Sciences, Molodezhnaya St. 3, Moscow, 119296, Russian Federation
  • 2 Peoples’ Friendship University of Russia, Miklukho-Maklaya St. 6, Moscow, 117198, Russian Federation
  • 3 Institute of Astronomy and NAO, Bulgarian Academy of Sciences, Sofia, BG-1784, Bulgaria
  • 4 Space Research Institute of the Russian Academy of Sciences, Profsoyuznaya St. 84/32, Moscow, 117997, Russian Federation
Keywords
Caspian Sea level; Forbush-effect; Lenght of day; Solar activity; Sun-Climate relationship
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