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5 Titles Match Your Query
Showing 1 through 5 of 5
1. Gravity Changes in Earthquake Hazard Risk Areas in Japan [GRVCHNG]
Repeated precise gravity surveys were taken in earthquake risk areas of the Tokai and Tohoku districts in Japan. The purpose of the survey was to detect secular gravity change before earthquakes occur.


2. Polar Motion Data of International Polar Motion Service [NAOMIZI-2]
Acting as the international polar motion measurement service(IPMS), this international joint measurement of longitude and latitude was carried out from 1962 to 1988. The coordinate values of polar ...


3. Precise Gravimetric Connections around Circum-Pacific Zone and between Japan and China [GRVCON79-86]
International gravimetric readings were taken at 187 stations in 34 cities and 15 countries and regions around the Circum-Pacific area. 9 Lacoste-Romberg model G gravity meters were used during the ...


4. Recalculated Polar Motion Data on Homogeneous System of International Latitude Service [NAOMIZI-1]
Acting as the international latitude measurement service(ILS), this international joint measurement of latitude was carried out from 1899 to 1978. The ILS central station(Mizusawa) used the measured ...


5. Reference Frames and Earth Rotation by VLBI [NAOMIZSGL]
Terrestrial and celestial reference frames and the earth rotation parameters are determined from the global geodetic VLBI observations from 1984. The data include site positions at 1988, site proper ...


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