TheSvariation of Earth currents near the magnetic equator, its seasonal changes, and its relation to variations of the magnetic field

Autor: Rosemary Hutton
Rok vydání: 1963
Předmět:
Zdroj: Journal of Geophysical Research. 68:2403-2410
ISSN: 0148-0227
DOI: 10.1029/jz068i009p02403
Popis: The harmonic coefficients of the earth-current variations at two stations in Ghana are presented and discussed. The ratio of the two principal harmonics of the variations at Legon are found to exhibit a seasonal variation, which is interpreted as arising from a shift in the position of the electrojet axis. Chapman and Whitehead's expressions relating earth-current variations with variations of the magnetic field are discussed, with reference to corresponding relations deduced by Tikhonov and Lipskaya.
Databáze: OpenAIRE