Studies on Gravity Tides in King George Island, Antarctica

被引：0
|
作者：
吕纯操
许厚泽
郝兴华
倪志宏
机构：
[1] Wuchang 430077
[2] Institute of Geodesy and Geophysics
[3] PRC
[4] Academia Sinica
来源：
Science in China,SerB . | 1993年 / Ser.B . 1993查看该刊数据库收录来源卷 / 03期
基金：
中国国家自然科学基金;
关键词：
gravimeter calibration; tidal factor; phase delay; harmonic analysis; tide correction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
By utilizing LCR-G gravimeter, 342-day available gravity tide observations were obtained in King George Island, Antarctica. Analytical results show that mean errors of tidal factor δ and phase delay △φ for main waves are less than 0.6% and 0.3° respectively. By using the Schwiderski cotidal map to make oceanic tide correction, we discover that the effect on Mwave by oceanic tide reaches 20% of body tide magnitude, and leading phase is 6.7°. The obtained gravity tidal factors of this region areδ=1.2178±0.0061, △φ=2.13±0.25°,δ=1.2350±0.0045, △φ=-0.53±0.16°.
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页码：350 / 357
页数：8
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