Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jastp..70.2222g&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, Volume 70, Issue 17, p. 2222-2232.
Physics
Thunder/Lightning, Dip Equator, Sunspot Activity, Geomagnetic Declination, Dynamo Currents, Global Electric Circuit
Scientific paper
From a study of thunder/lightning observations in Trivandrum (near dip equator) for selected years between 1853 and 2005, we could find an inverse relation of the same with sunspot activity and associations with enhancements in diurnal range of local geomagnetic declination. The results seem to suggest lightning-associated modulation of E-region dynamo currents in the equatorial ionosphere and the thunderstorm activity near dip equator probably acts as a moderator to regulate electric potential gradient changes in the global electric circuit due to solar activity changes.
Eapen P. E.
Girish T. E.
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