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- W2351587468 abstract "To evaluate the performance of the newly developed KSS31M marine gravity meter, fixed points gravity data measurement was conducted in gravity lab of the German Gravity Meter Company and gravity lab of IOCAS and also on the research vessel at harbor of Huangpu River. Several kinds of gravity changes were recorded during the measurement, they are namely instrument random oscillation, moon tide gravity change and sea tide gravity change and drift. Each of the kinds of the gravity change has its own regulation but exits at the same time during the marine gravity measurement. The instrument random oscillation is an intrinsic property of the KSS31M marine gravity meter and does not indicate the real gravity change of the measured point, its amplitude can be 0.04mGal in the lab and 0.5mGal on the research vessel, with a period as short as 2～5 minutes. The moon tide gravity change was clearly detected during the lab measurement. As comparing to the sea tide gravity change, the moon tide gravity change has the same period but opposite phase with sea tide gravity change. The amplitude of the moon tide gravity change is about 0.2mGal. The paper points out that it is not easy to give an accurate drift data of the marine gravity meter. Several methods were used to determine the drift of the KSS31M and the result shows from 1.2mGal to 2.3mGal per month." @default.
- W2351587468 created "2016-06-24" @default.
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- W2351587468 date "2004-01-01" @default.
- W2351587468 modified "2023-09-24" @default.
- W2351587468 title "The fixed points gravity data measurment used by KSS31M and data analysis" @default.
- W2351587468 hasPublicationYear "2004" @default.
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