Nonlinear Sciences – Chaotic Dynamics
Scientific paper
1998-07-03
Nonlinear Sciences
Chaotic Dynamics
1 Page, 1 Figure
Scientific paper
Observational studies indicate that there is a close association between geomagnetic storm and meteorological parameters. Geomagnetic field lines follow closely the isobars of surface pressure . A Physical mechanism linking upper atmospheric geomagnetic storm disturbances with tropospheric weather has been proposed by the author and her group where it is postulated that vertical mixing by turbulent eddy fluctuations results in the net transport upward of positive charges originating from lower levels accompanied simultaneously by downward flow of negative charges from higher levels. The present study reports enhancement of high frequency (<15 days period) fluctuations in daily surface pressure during March 1989 in association with major geomagnetic storm (Ap index = 246) on 13 march 1989.
Athale S. U.
Fadnavis Sukhada
Selvam Mary A.
Tinmaker M. I. R.
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