Computer Science – Learning
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufm.g33c..08j&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #G33C-08
Computer Science
Learning
1200 Geodesy And Gravity, 1223 Ocean/Earth/Atmosphere/Hydrosphere/Cryosphere Interactions (0762, 1218, 3319, 1239 Earth Rotation Variations
Scientific paper
Recently discovered small polar motion (PM) loops have shown us how the destructive interference of the Chandler, annual, and semi-annual signals can act as a naturally occurring high-pass filter and that these small loops appear to be the result of atmospheric excitation. This discovery has lead to investigations that have shown that these loops have happened in the past. So, why should anyone be interested in these previously unobserved PM loops? These rapid variations in Earth rotation are useful in learning about our planet and interactions between its solid surface and fluid envelope. These rapid variations are also useful for examining the different geodetic techniques and models used to study Earth rotation. This paper will briefly highlight what have we learned from these observations about our planet and the models and techniques used to analyze Earth rotation monthly to sub-monthly timescales.
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