ON THE PRATT AND AIRY MODELS OF ISOSTATIC GEOID UNDULATIONS
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dc.contributor.author | Sjoberg L.E. | |
dc.date.accessioned | 2020-12-27T12:13:44Z | |
dc.date.available | 2020-12-27T12:13:44Z | |
dc.date.issued | 1998 | |
dc.identifier | https://elibrary.ru/item.asp?id=2963 | |
dc.identifier.citation | Journal of Geodynamics, 1998, , 1, 137-147 | |
dc.identifier.issn | 0264-3707 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/21444 | |
dc.description.abstract | Usually the topographic-isostatic geoid undulation is derived by a downward continuation of the external potential to the geoid. Unfortunately, such an approach merely yields a fictitious potential at the continental geoid within the topographic masses. We show that the related bias may range to about 10 m based on the classical Pratt and Airy models for isostatic compensation.The above geoid contribution is generated by the topographic masses along the vertical to the computation point, i.e. it is a local contribution.Our second conclusion is that the isostatic geoid undulation also experiences a regional contribution from the surrounding topographic masses. This contribution is significant for extended high mountains and deep oceans. | |
dc.title | ON THE PRATT AND AIRY MODELS OF ISOSTATIC GEOID UNDULATIONS | |
dc.type | Статья |
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