Impact of Geophysical Fluids on UT1

被引：0
作者：
Gross, Richard S. [1 ]
机构：
[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
来源：
HIGHLIGHTS OF ASTRONOMY, VOL 15 | 2010年 / 15卷
关键词：
Earth; time; EARTHS ROTATION;
D O I：
10.1017/S1743921310008835
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Geophysical fluids have a major impact on the Earth's rotation. Tidal variations within the oceans are the predominant cause of subdaily length-of-day (lod) variations while those within the solid body of the Earth are a major source of longer period variations; tidal dissipation within the solid Earth and oceans cause a secular change in loci. Fluctuations of the atmospheric winds are the predominant cause of nontidal lod variations on sub-decadal time scales while decadal variations are caused by interactions between the fluid core and mantle.
引用
收藏
页码：213 / 214
页数：2
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