Observation of the Earth System from Space
In the recent years, space-based observation methods have led to a subst- tially improved understanding of Earth system. Geodesy and geophysics are contributing to this development by measuring the temporal and spatial va- ations of the Earth’s shape, gra
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Jakob Flury Reiner Rummel Christoph Reigber Markus Rothacher Gerd Boedeker Ulrich Schreiber Editors
Observation of the Earth System from Space with 249 Figures and 54 Tables
Dr. J. Flury Professor Dr. R. Rummel TU München Institut für Astonomische Physikalische Geodäsie Arcisstr. 21 80290 München Germany
Professor Dr. G. Boedecker Bayerische Akademie der Wissenschaften Bayerische Kommission für die Internationale Erdmessung Marstallplatz 8 80539 München Germany
Professor Dr. C. Reigber Professor Dr. M. Rothacher GeoForschungsZentrum Potsdam Dept. 1, Geodäsie und Fernerkundung Telegrafenberg 14473 Potsdam Germany
Professor Dr. U. Schreiber TU München Forschungseinrichtung Satellitengeodäsie Fundamentalstation Wettzell 93444 Kötzting Germany
Library of Congress Control Number: 2005933897 ISBN 10 ISBN 13
3-540-29520-8 Springer Berlin Heidelberg New York 978-3-540-29520-4 Springer Berlin Heidelberg New York
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Preface
In the recent years, space-based observation methods have led to a substantially improved understanding of Earth system. Geodesy and geophysics are contributing to this development by measuring the temporal and spatial variations of the Earth’s shape, gravity field, and magnetic field, as well as atmosphere density. In the frame of the German R&D programme GEOTECHNOLOGIEN, research projects have been launched in 2002 related to the satellite missions CHAMP, GRACE and ESA’s planned mission GOCE, to complementary terrestrial and airborne sensor systems and to consistent and stable high-precision global reference systems for satellite and other techniques. In the initial 3-year phase of the research programme (2002-2004), new gravity field models have been computed from CHAMP and GRACE data which outperform previous models in accuracy by up to two orders of magnitude for the long and medium waveleng
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