Sunspot-cycle control of ionospheric and geomagnetic variations

Details Sunspot-cycle control of ionospheric and geomagnetic variations Sunspot-cycle control of ionospheric and geomagnetic variations

Jun 1964

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1964jatp...26..633a&link_type=abstract

Journal of Atmospheric and Terrestrial Physics, vol. 26, no. 6, pp. 633-640

Physics

1

Scientific paper

Using two long-term geophysical time-series of ionospheric and geomagnetic measurements, made at substantially the same site, the seasonal and sunspot-cycle variations of the E-layer ionization and the intensity of the Sq overhead current have been compared. Expressing the E-layer ionization in terms of its critical penetration frequency, fE, it is found that (fE)2 = 10.2 [radical sign] cos[chi] (1 + 0.0039 R) where fE is measured in Mc/s, [chi] is the sun's zenith distance and R is the Zürich sunspot number. A corresponding investigation of the geomagnetic component Y of the Sq system leads to the relation Y = 60 cos[chi] (1 + 0.0039 R) The fact that the E-layer is the only stratum in the ionosphere whose sunspot-cycle variation is identical with the corresponding variation in Sq leads to the conclusion that the Sq overhead currents actually flow at the E-layer level.

Affiliated with

Also associated with

No associations

Rating

Sunspot-cycle control of ionospheric and geomagnetic variations does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Sunspot-cycle control of ionospheric and geomagnetic variations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sunspot-cycle control of ionospheric and geomagnetic variations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-875933