Studies on the dynamics of the rotating Earth

Haardeng-Pedersen, Gary Peter (1975) Studies on the dynamics of the rotating Earth. Doctoral (PhD) thesis, Memorial University of Newfoundland.

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    Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission.
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Abstract

The spectrum of the geographic motion of the Earth’s rotation poled and confidence limits on this estimation of the spectrum are obtained in the first part of this thesis. These statistical tests negate the evidence for multiple peaks in the Chandler region and conclude that the Chandler excitation may be a non-stationary process. -- The response of the Earth to an external harmonic potential of second of third degree is presented in the second part of this thesis. An Earth model with a sub-adiabatic fluid core is considered for the second degree excitation and Love numbers are calculated; these give evidence of free oscillations called undertones. As the direct effects of rotation have been fully retained in this study, it is shown that the rotational couplings excite torsional modes and other spheroidal modes of oscillation. Love numbers for the terdiurnal tide (M₃) are calculated for Earth models with both adiabatic and sub-adiabatic fluid cores.

Item Type: Thesis (Doctoral (PhD))
URI: http://research.library.mun.ca/id/eprint/6769
Item ID: 6769
Additional Information: Bibliography: leaves 34-37, 141-143.
Department(s): Science, Faculty of > Physics and Physical Oceanography
Date: 1975
Date Type: Submission
Geographic Location: Earth
Library of Congress Subject Heading: Earth--Rotation

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