Global Gravity Field Recovery From Satellite To Satellite Tracking Data With The Acceleration Approach
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Global Gravity Field Recovery From Satellite To Satellite Tracking Data With The Acceleration Approach
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Author : Xianglin Liu
language : en
Publisher: Netherlands Geodetic Commission
Release Date : 2008
Global Gravity Field Recovery From Satellite To Satellite Tracking Data With The Acceleration Approach written by Xianglin Liu and has been published by Netherlands Geodetic Commission this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Artificial satellites in remote sensing categories.
Contents Abstract xi Samenvatting xv Curriculum vitae xix Acknowledgements xxii 1. Introduction 1 2. Gravity field modeling from SST data: an overview 9 3. Gravity field modeling from CHAMP data 53 4. Gravity field modeling from GRACE hl-SST data 81 5. Gravity field modeling from GRACE ll-SST data 91 6. Analysis of results obtained from the 3RC approach 133 7. Summary, conclusions and recommendations 203 Bibliography 209 A. Autocorrelation 223 B. Gaussian Filtering 225
Global Gravity Field Modeling From Satellite To Satellite Tracking Data
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Author : Majid Naeimi
language : en
Publisher: Springer
Release Date : 2017-02-10
Global Gravity Field Modeling From Satellite To Satellite Tracking Data written by Majid Naeimi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-10 with Science categories.
This book provides a sound theoretical basis for the the different gravity field recovery methods and the numerics of satellite-to-satellite tracking data. It represents lectures given at the ‘Wilhelm and Else Heraeus Autumn School’ in Bad Honnef, Germany, October 4-9, 2015. The emphasis of the school was on providing a sound theoretical basis for the different gravity field recovery methods and the numerics of data analysis. The approaches covered here are the variational equations (classical approach), the acceleration approach and the energy balance approach, all of which are used for global gravity field recovery on the basis of satellite observations. The theory of parameter estimation in satellite gravimetry and concepts for orbit determination are also included. The book guides readers through a broad range of topics in satellite gravimetry, supplemented by the necessary theoretical background and numerical examples. While it provides a comprehensive overview for those readers who are already familiar with satellite gravity data processing, it also offers an essential reference guide for graduate and undergraduate students interested in this field.
International Symposium On Advancing Geodesy In A Changing World
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Author : Jeffrey T. Freymueller
language : en
Publisher: Springer
Release Date : 2019-03-12
International Symposium On Advancing Geodesy In A Changing World written by Jeffrey T. Freymueller and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-12 with Science categories.
These proceedings contain 23 papers, which are the peer-reviewed versions of presentations made at the Joint Scientific Assembly of the International Association of Geodesy (IAG) and the International Association of Seismology and Physics of the Earth’s Interior (IASPEI). The assembly was held from 30 July to 4 August 2017 in Kobe, Japan. The scientific assembly included seven symposia organized by IAG, and nine joint symposia, along with additional symposia organized by IASPEI. The IAG symposia were structured according to the four IAG Commissions and the three GGOS Focus Areas, and included reference frames, static and time-variable gravity field, Earth rotation and geodynamics, multi-signal positioning, geodetic remote sensing, and GGOS. The joint symposia included monitoring of the cryosphere, studies of earthquakes, earthquake source processes, and other types of fault slip, geohazard warning systems, deformation of the lithosphere, and seafloor geodesy. Together, the IAG and joint symposia spanned a broad range of work in geodesy and its applications.
Observation Of The Earth System From Space
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Author : Jakob Flury
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-02-28
Observation Of The Earth System From Space written by Jakob Flury and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-02-28 with Technology & Engineering categories.
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.
Geodesy For Planet Earth
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Author : Steve Kenyon
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-01-26
Geodesy For Planet Earth written by Steve Kenyon and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-26 with Science categories.
These proceedings include the written version of 130 papers presented at the International Association of Geodesy IAG2009 "Geodesy for Planet Earth" Scientific Assembly. It was held 31 August to 4 September 2009 in Buenos Aires, Argentina. The theme "Geodesy for Planet Earth" was selected to follow the International Year of Planet Earth 2007-2009 goals of utilizing the knowledge of the world’s geoscientists to improve society for current and future generations. The International Year started in January 2007 and ran thru 2009 which coincided with the IAG2009 Scientific Assembly, one of the largest and most significant meetings of the Geodesy community held every 4 years. The IAG2009 Scientific Assembly was organized into eight Sessions. Four of the Sessions of IAG2009 were based on the IAG Structure (i.e. one per Commission) and covered Reference Frames, Gravity Field, Earth Rotation and Geodynamics, and Positioning and Applications. Since IAG2009 was taking place in the great Argentine city of Buenos Aires, a Session was devoted to the Geodesy of Latin America. A Session dedicated to the IAG’s Global Geodetic Observing System (GGOS), the primary observing system focused on the multidisciplinary research being done in Geodesy that contributes to important societal issues such as monitoring global climate change and the environment. A Session on the IAG Services was also part of the Assembly detailing the important role they play in providing geodetic data, products, and analysis to the scientific community. A final Session devoted to the organizations ION, FIG, and ISPRS and their significant work in navigation and earth observation that complements the IAG.
Engineering Sciences Issues Opportunities And Researches
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Author : Derya Betül ÜNSAL
language : en
Publisher: Livre de Lyon
Release Date : 2023-06-20
Engineering Sciences Issues Opportunities And Researches written by Derya Betül ÜNSAL and has been published by Livre de Lyon this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-20 with Technology & Engineering categories.
Engineering Sciences: Issues, Opportunities and Researches
Efficient Global Gravity Field Determination From Satellite To Satellite Tracking
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Author :
language : en
Publisher:
Release Date : 2003
Efficient Global Gravity Field Determination From Satellite To Satellite Tracking written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Global Positioning System categories.
Abstract: By the middle of this decade, measurements from the CHAMP (CHAllenging of Minisatellite Payload) and GRACE (Gravity Recovery And Climate Experiment) gravity mapping satellite missions are expected to provide a significant improvement in our knowledge of the Earth's mean gravity field and its temporal variation. For this research, new observation equations and efficient inversion method were developed and implemented for determination of the Earth2s global gravity field using satellite measurements. On the basis of the energy conservation principle, in situ (on-orbit) disturbing potential and potential difference observations were computed using data from accelerometer- and GPS receiver-equipped satellites, such as CHAMP and GRACE. The efficient iterative inversion method provided the exact estimates as well as an approximate, but very accurate error variance-covariance matrix of the least squares system for both satellite missions. The global disturbing potential observable computed using 16-days of CHAMP data was used to determine a gravity field solution (OSU02A), is commensurate in geoid accuracy to other gravity models and yields improvement in the polar region at wavelengths longer than 800 km. The annual variation of Earth's gravitational field was estimated and compared with other solutions from satellite laser ranging analysis. The annual geoid change of 1 mm would be expected mostly due to atmosphere, continental surface water, and ocean mass redistribution. The correlation between CHAMP and SLR solutions was 0.6 to approx 0.8 with 0.7 mm of RMS difference. Based on the monthly GRACE simulation, the geoid was obtained with an accuracy of a few cm and with a resolution (half wavelength) of 160 km. However, the geoid accuracy can become worse by a factor of 7 because of spatial aliasing. The approximate error covariance was found to be a very good accuracy measure of the estimated coefficients, geoid, and gravity anomaly. The resulting recovered temporal gravity fields have about 0.2 mm errors in terms of geoid height with a resolution of 670 km. It was quantified that how significant the effects due to the inherent modeling errors and temporal aliasing caused by ocean tides, atmosphere, and ground surface water mass are on monthly mean GRACE gravity estimates.
Global Gravity Field Modelling Using Satellite Gravity Gradiometry
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Author : Radboud Koop
language : en
Publisher:
Release Date : 1993
Global Gravity Field Modelling Using Satellite Gravity Gradiometry written by Radboud Koop and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Gravity categories.
Towards An Integrated Global Geodetic Observing System Iggos
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Author : Reinhard Rummel
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Towards An Integrated Global Geodetic Observing System Iggos written by Reinhard Rummel and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The international symposium Towards an Integrated Global Geodetic Observing System was an initiative of section II Advanced Space Technology of the International Association of Geodesy (lAG). Ittook place in the building ofthe Bavarian Academy of Sciences in Munich from October 5 -9, 1998. About 130 scientists from 24 countries participated in the symposium. It was organized jointly by the Deutsches Geodatisches F orschungsinstitut and the Institut fUr Astronomische und Physikalische Geodasie/Technische Universitat MUnchen. The objective of the symposium was an analysis of the state-of-art of geodetic space techniques and an outlook into the possibility of the establishment of a global integrated observing system. In view of the fact that most geodetic space techniques have reached or approach the one part per billion relative precision level the question arises what their j oint and coordinated operation could offer to the study of system Earth. For this purpose the symposium was divided into four themes, i. e. reference system and datum integration, strength and weakness of space techniques, upcoming gravity field satellite missions, and implications for Earth sciences. Each of these themes was addressed by invited lectures of prominent scientists with sufficient time left for discussion. The oral sessions were complemented by poster sessions. A panel discussion at the closing session completed the program.
Publications On Geodesy
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Author :
language : en
Publisher:
Release Date : 1991
Publications On Geodesy written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Geodesy categories.