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Author: Hans Sünkel Publisher: Springer Science & Business Media ISBN: 1468470981 Category : Science Languages : en Pages : 197
Book Description
Recent advances and techniques in precise geoid determination are presented with a discussion of their implication for geophysical and oceanographic research, as well as identification and formulation of a goal on which future geoid research should focus. The volume is divided into the following sections: - The Geoid - Sea Surface Topography - The Vertical Datum - Miscellaneous
Author: Hans Sünkel Publisher: Springer Science & Business Media ISBN: 1468470981 Category : Science Languages : en Pages : 197
Book Description
Recent advances and techniques in precise geoid determination are presented with a discussion of their implication for geophysical and oceanographic research, as well as identification and formulation of a goal on which future geoid research should focus. The volume is divided into the following sections: - The Geoid - Sea Surface Topography - The Vertical Datum - Miscellaneous
Author: Hermann Drewes Publisher: Springer Science & Business Media ISBN: 3662046830 Category : Science Languages : en Pages : 356
Book Description
The Symposium on Vertical Reference Systems (VeReS) was initiated on the occasion of the XXII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Birmingham 1999, by Professor Dr. Wolfgang Torge, Past President of the International Association of Geodesy (lAG) and representative of lAG to the Pan-American Institute of Geography and History (PAIGH). The idea was to organise another joint symposium of lAG and PAIGH like the previous one held during the XX IUGG General Assembly at Vienna, Austria, in 1991. Good reasons for such a joint symposium were the great success and the ongoing activities of the Project on the South American Geocentric Reference System (Sistema de Referencia Geocentrico para America del Sur, SIRGAS) being sponsored by lAG and PAIGH since 1993. The SIR GAS Project (Working Group I) had presented a continental South American reference frame of 58 stations during the lAG Scientific Assembly at Rio de Janeiro, in 1997. This reference frame was already adopted by several South American countries as the basis for their new national horizontal geodetic datums (SIRGAS Working Group II). To overcome the problems of the heterogeneous vertical (height) datums between the individual countries, SIRGAS had installed its Working Group III "Vertical Datum" in 1997. As the discussion on the unification of vertical reference systems is also going on in lAG and other bodies of science and practice, it was decided to dedicate the symposium to this topic.
Author: G. Seeber Publisher: Springer Science & Business Media ISBN: 9401716730 Category : Science Languages : en Pages : 328
Book Description
This volume contains most of the papers which were presented at the Interdisciplinary Symposium No. 4 "Geodetic Features of the Ocean Surface and their Implications" during the XVIII. General Assembly of the International Union of Geodesy and Geophysics (IUGG) in Hamburg, August 1983. The symposium was jointly sponsored by the International Associ ation of Geodesy (lAG) and the International Association for the Physi cal Sciences of the Ocean (IAPSO), and was as such one further step in animpQrtant line of international and interdisciplinary symposia, re lated to the field of Marine Geodesy. Originally the term "Marine Geodesy" was widely understood as "Geodesy in the Marine Environment" and dealt primarily with two as pects: precise position determination at sea and determination of a fine structured marine geoid. However, mainly with the impact of satel lite radar altimeter measurements, a new understanding began to develop: it became evident that the field of Marine Geodesy could not be treated adequately from geodesists alone but that it needed close cooperation with related disciplines such as oceanography and marine geophysics. Symposium No. 4 at Hamburg could demonstrate that this coopera tion has already become a lively reality. The "geodetic features of the ocean surface" don't only reflect oceanographical but also marine geo physical aspects. As such scientists from geodesy, oceanography, marine geology and geophysics came together to present their ideas and to dis cuss questions of mutual interest.
Author: United Nations Staff Publisher: Springer Science & Business Media ISBN: 9401173648 Category : Technology & Engineering Languages : en Pages : 197
Book Description
An Interregional Expert Meeting on the Use of Satellite Imaging RADAR and Thematic Mapping in Natural Resources Development, organized by the Economic and Social Develop ment Center of the German Foundation for International Development - DSE - in co-operation with the United Nations Department of Technical Co-operation for Develop ment - DTCD - was held in Berlin (West) from 21 November to 4 December 1984. As a result of this meeting, the participants made the following recommendations: A. REMOTE SENSING SYSTEMS AND AVAILABILITY OF DATA 1. Acquisition Platforms and their Continuity The participants expressed concern over the insecurity which clouds the future of orbital remote sensing platforms - the U. S. Landsat series should be continued, if at all possible. The planned initial ten-year operational lifetime of SPOT is en couraging and received support. ESA/ERS 1, Japanl J-ERS 1 and Canada's RADARSAT programmes should be given full imple mentation commitment, as soon as possible, and plans should be developed for system continuity. The participants noted that development of national and regional remote sensing programmes in developing nations, and establishment and upgrading of appropriate ground receiving stations for these systems depends critically on the prospect of platform continuity. vii SATELLITE REMOTE SENSING FOR RESOURCES DEVELOPMENT 2. Future Developments (a) Future developments in microwave remote sensing from space should be encouraged so as to circumvent, among others, the problem of cloud cover and to facilitate extension of application areas.
Author: P. Vanícek Publisher: Elsevier ISBN: 1483290794 Category : Science Languages : en Pages : 714
Book Description
Geodesy: The Concepts, Second Edition focuses on the processes, approaches, and methodologies employed in geodesy, including gravity field and motions of the earth and geodetic methodology. The book first underscores the history of geodesy, mathematics and geodesy, and geodesy and other disciplines. Discussions focus on algebra, geometry, statistics, symbolic relation between geodesy and other sciences, applications of geodesy, and the historical beginnings of geodesy. The text then ponders on the structure of geodesy, as well as functions of geodesy and geodetic theory and practice. The publication examines the motions, gravity field, deformations in time, and size and shape of earth. Topics include tidal phenomena, tectonic deformations, actual shape of the earth, gravity anomaly and potential, and observed polar motion and spin velocity variations. The elements of geodetic methodology, classes of mathematical models, and formulation and solving of problems are also mentioned. The text is a dependable source of data for readers interested in the concepts involved in geodesy.
Author: Hans Sünkel
Author: Hans Sünkel
Author: Paul Tregoning
Author: Hermann Drewes
Author: G. Seeber
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Author: United Nations Staff
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Author: P. Vanícek