POLAR MOTION AT SEASONAL FREQUENCIES
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dc.contributor.author | Hopfner J. | |
dc.date.accessioned | 2020-11-23T10:55:16Z | |
dc.date.available | 2020-11-23T10:55:16Z | |
dc.date.issued | 1996 | |
dc.identifier | https://elibrary.ru/item.asp?id=593379 | |
dc.identifier.citation | Journal of Geodynamics, 1996, , 1, 51-61 | |
dc.identifier.issn | 0264-3707 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/19428 | |
dc.description.abstract | Studying the planetary-dynamic behaviour of the Earth connected with geophysical processes as sources of excitation is of particular importance. In order to make a contribution concerning seasonal influences of near-surface geophysical processes on polar motion and Earth rotation, numerical investigations based on a time series of Earth Rotation Parameters and Atmospheric Angular Momentum parameters from 1976 to 1987 were performed. Atmospheric Angular Momentum changes are the dominant cause of polar motion and length-of-day variation at seasonal frequencies. Since there is another excitation source, the problem is to be considered such that the total excitation portion is composed of atmospheric and non-atmospheric portions. Particularly in polar motion, the paper deals with the separation of these portions for the seasonal constituents and presents interesting information about their character. | |
dc.title | POLAR MOTION AT SEASONAL FREQUENCIES | |
dc.type | Статья |
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