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| Author | : Radboud Koop |
| Publisher | : |
| Total Pages | : 231 |
| Release | : 1993 |
| Genre | : Gravity |
| ISBN | : 9789061322467 |
| Author | : G. Beutler |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 446 |
| Release | : 2013-04-18 |
| Genre | : Science |
| ISBN | : 9401713332 |
Volume resulting from an ISSI Workshop, 11-15 March 2002, Bern, Switzerland
| Author | : Majid Naeimi |
| Publisher | : |
| Total Pages | : 168 |
| Release | : 2017 |
| Genre | : Environmental sciences |
| ISBN | : 9783319499420 |
| Author | : Richard H. Rapp |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 274 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642611400 |
In July 1995 the XXI General Assembly of the International Union of Geodesy and Geophysics was held in Boulder, Colorado. At this meeting the International Association of Geodesy (lAG) organized a number of symposia to discuss scientific developments and future directions in a number of areas. One of these symposia was G3, Global Gravity Field and Its Temporal Variations. This symposium consisted of four invited and 36 contributed papers. The contributed papers were given as oral or poster presentations. This proceedings volume represents the written contributions of the four invited papers (appearing as the first four papers in the volume) and 19 additional papers. The authors were asked to limit the length of their paper to approximately ten pages, which, in some cases, did limit what an author wanted to say. The papers in this volume have been placed in the same order as they were presented at the ruGG meeting. A key theme of the symposium is given in the paper by Nerem, Klosko, and Pavlis where they discuss applications of gravity field information in geodesy and oceanography. The significant achievements in determining the gravity field in the ocean areas from satellite altimeter data is discussed by Sandwell, Yale, McAdoo, and Smith. A review of time changes of the Earth's gravity field from terrestrial measurements is given by Lambert et aI. , and from satellite perturbation techniques by Eanes and Bettadpur. A description of new geopotential models is given in the paper by Tapley et al.
| Author | : Radboud Koop |
| Publisher | : |
| Total Pages | : 244 |
| Release | : 1993 |
| Genre | : Gravitational fields |
| ISBN | : 9789061322467 |
| Author | : Oscar L. Colombo |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 353 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 1461392551 |
Precise and continuous tracking with multi-satellite systems of aircraft andlow flying satellites, accurate airborne measurement of gravity and gravity gradients, and satellite gradiometry have fundamentally changed our view on the de- termination of the Earth's gravity field. The papers in this volume describe these techniques in detail. The ideas are presentedas complementary, and are used to develop new theoretical concepts of gravity field analysis. Computatio- nal models using these techniques are also discussed and are tested in simulations. The papers presented in this volume are the result of an IAG symposium held during the XX General Assembly of the Inter- national Union of Geodesy and Geophysics in Vienna, Austria, August 11-24, 1991.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 126 |
| Release | : 1997-09-02 |
| Genre | : Science |
| ISBN | : 0309174767 |
For the past three decades, it has been possible to measure the earth's static gravity from satellites. Such measurements have been used to address many important scientific problems, including the earth's internal structure, and geologically slow processes like mantle convection. In principle, it is possible to resolve the time-varying component of the gravity field by improving the accuracy of satellite gravity measurements. These temporal variations are caused by dynamic processes that change the mass distribution in the earth, oceans, and atmosphere. Acquisition of improved time-varying gravity data would open a new class of important scientific problems to analysis, including crustal motions associated with earthquakes and changes in groundwater levels, ice dynamics, sea-level changes, and atmospheric and oceanic circulation patterns. This book evaluates the potential for using satellite technologies to measure the time-varying component of the gravity field and assess the utility of these data for addressing problems of interest to the earth sciences, natural hazards, and resource communities.
| Author | : Jakob Flury |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 484 |
| Release | : 2006-02-28 |
| Genre | : Technology & Engineering |
| ISBN | : 3540295224 |
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, gravity ?eld, and magnetic ?eld, as well as at- sphere density. In the frame of the GermanR&D programmeGEOTECHNO- LOGIEN,researchprojectshavebeen launchedin2002relatedto the satellite missions CHAMP, GRACE and ESA’s planned mission GOCE, to comp- mentary 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 ?eld models have been computed from CHAMP and GRACE data which outperform previous models in accuracy by up to two orders of m- nitude for the long and medium wavelengths. A special highlight is the - termination of seasonal gravity variations caused by changes in continental water masses. For GOCE, to be launched in 2006, new gravity ?eld analysis methods are under development and integrated into the ESA processing s- tem. 200,000 GPS radio occultation pro?les, observed by CHAMP, have been processed on an operational basis. They represent new and excellent inf- mation on atmospheric refractivity, temperature and water vapor. These new developments require geodetic space techniques (such as VLBI, SLR, LLR, GPS) to be combined and synchronized as if being one global instrument.
| Author | : V. G. Peshekhonov |
| Publisher | : Springer Nature |
| Total Pages | : 396 |
| Release | : 2022-11-30 |
| Genre | : Science |
| ISBN | : 3031111583 |
This book offers extensive information on the operation of gravimeters, including airborne, marine and terrestrial ones, and on the associated data processing methods such as optimal and adaptive filtering, smoothing, structural and parametric identification. Further, it describes specific features relating to the study of the gravitational field in remote areas of the Earth, with the necessary modifications of equipment and software for all-latitude applications. Findings from gravity studies in such remote areas are also presented. Advanced methods for studying the gravitational field, including those for simultaneous determination of gravity anomalies and deflection of the vertical are described and analyzed in detail. Gravity gradiometers and cold atom gravimeters are also covered. Last but not least, the book deals with the development of Earth’s gravity field models and their various applications, including map-aided navigation, with a special attention to model accuracy estimation. Gathering research findings and best practice recommendations relating to Earth’s gravity field measurements, collected by a team of researchers and professionals, the book offers a unique guide for engineers, scientists and graduate students dealing with terrestrial, marine and airborne gravimetry. It will also help other specialists involved in developing and using navigation systems in practice, including designers of gravimetric equipment and navigators.
| Author | : J. Bouman |
| Publisher | : |
| Total Pages | : 128 |
| Release | : 2000 |
| Genre | : Gravitational fields |
| ISBN | : |
