-
1“... that geomagnetic field strength was 20% higher in the period of 2.5 Ga to 500Ma, 20% lower 500Ma ago and 30% higher...”
Get access
Get access
Get access
Report -
2by Masaru Ayukawa“..., geomagnetism, earthquake and icequake, gravity earth tide, building strain by snow accumulation, and so forth...”
Published 1989
Get access
Get access
Article in Journal/Newspaper -
3by Yoshio Yoshida“... of aurora, geomagnetism, ionosphere, meteorology, seismology, and ocean tide, the studies of upper...”
Published 1984
Get access
Get access
Article in Journal/Newspaper -
4by Yoshio Yoshida“... of aurora, geomagnetism, ionosphere, meteorology, seismology, and ocean tide, the studies of upper...”
Published 1984
Get access
Get access
Article in Journal/Newspaper -
5by Masaru Ayukawa“..., geomagnetism, earthquake and icequake, gravity earth tide, building strain by snow accumulation, and so forth...”
Published 1989
Get access
Get access
Article in Journal/Newspaper -
6“... at Asuka Station were surface observations for meteorological conditions, geomagnetism, earthquake...”
Get access
Get access
Get access
Report -
7by Natsuo Sato“... and gravity measurements in the Syowa Station area; d) seafloor geomagnetic observations in Breid Bay; e...”
Published 1990
Get access
Get access
Article in Journal/Newspaper -
8by Natsuo Sato“... and gravity measurements in the Syowa Station area; d) seafloor geomagnetic observations in Breid Bay; e...”
Published 1990
Get access
Get access
Article in Journal/Newspaper