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Auteur H. Schaab |
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Variationen zum Geoid in Deutschland / J. Brennecke (1975)
Titre : Variationen zum Geoid in Deutschland Titre original : [Variations pour le géoïde en Allemagne] Type de document : Monographie Auteurs : J. Brennecke, Auteur ; Erwin Groten, Auteur ; Reiner Rummel, Auteur ; H. Schaab, Auteur Editeur : Munich : Bayerische Akademie der Wissenschaften Année de publication : 1975 Collection : DGK - A Sous-collection : Theoretische Geodäsie num. 083 Importance : 43 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-7696-8168-0 Note générale : Bibliographie Langues : Allemand (ger) Descripteur : [Vedettes matières IGN] Géodésie physique
[Termes IGN] géoïde gravimétrique
[Termes IGN] géoïde local
[Termes IGN] isostasie
[Termes IGN] République fédérale d'AllemagneIndex. décimale : 30.41 Géoïde Résumé : (Auteur) Results of gravimetric geoid computations in Germany are presented. An earlier described computational method (Groten and Rummel, 1974) was applied in combining satellite potential coefficients sets with surface gravity data. Coefficients as given by SAO, Rapp and GSFC were used in combination with improved surface mate-rial. Numerical effects in evaluating linear Molodensky's corrections were investigated and corresponding discrepancies are shown. In this connection the formulas given by Pellinen, Moritz, Arnold, Molodensky and an additional correc-tion formula were applied to 6' by 101 blocks. The differences between guasigeoid heights and geoid undulations were considered for the same block size. The effect of atmospheric corrections to surface gravity observations was taken into account; results are presented for mean values of the above mentioned block size. The effect of isostatic corrections was computed and numerical results are given for neighborhood and distant zones. A very detailed geoid (20 cm-isolines) is given for Northern Germany in order to visualize the smoothness of geoid undulations in that area even in a detailed figure. All geoids are related to the 1967 IUGG-normal gravity formula where, however, the N -term as recently discussed by Rapp was taken into account. In the last part, results of linear autoregression prediction for geoid undula-tions are given. For comparison, similar results as found by using the global data of the GSFC-geoid are presented. Numéro de notice : 28225 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=63571 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 28225-01 30.41 Livre Centre de documentation Géodésie Disponible