Observations of the Tidal Variations of Gravity (the second paper)

Abstract

Observations of the tidal variations of gravity were made for a month at each of the three stations in Kinki District, i.e. Kyoto, Chikubu-shima, and Shionomisaki. The results of observation were analysed and the tidal factors of M₂-component at these stations were obtained as 1.18, 1.21, 1.23, and the phase lags as 1°96, 1°20, 2°42, respectively. From these values it is concluded that the most reliable value of the tidal factor of gravity must be a certain value close to 1.20 and that the phase lag is very small even if it exists. The determination of the exact value of tidal factor is reserved for future research.