Accuracy Of The Determination Of Mean Anomalies And Mean Geoid Undulations From A Satellite Gravity Field Mapping Mission
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Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 26 |
Release | : 2018-07-20 |
Genre | : |
ISBN | : 9781723388774 |
Download Accuracy of the Determination of Mean Anomalies and Mean Geoid Undulations from a Satellite Gravity Field Mapping Mission Book in PDF, Epub and Kindle
Improved knowledge of the Earth's gravity field was obtained from new and improved satellite measurements such as satellite to satellite tracking and gradiometry. This improvement was examined by estimating the accuracy of the determination of mean anomalies and mean undulations in various size blocks based on an assumed mission. In this report the accuracy is considered through a commission error due to measurement noise propagation and a truncation error due to unobservable higher degree terms in the geopotential. To do this the spectrum of the measurement was related to the spectrum of the disturbing potential of the Earth's gravity field. Equations were derived for a low-low (radial or horizontal separation) mission and a gradiometer mission. For a low-low mission of six month's duration, at an altitude of 160 km, with a data noise of plus or minus 1 micrometers sec for a four second integration time, we would expect to determine 1 deg x 1 deg mean anomalies to an accuracy of plus or minus 2.3 mgals and 1 deg x 1 deg mean geoid undulations to plus or minus 4.3 cm. A very fast Fortran program is available to study various mission configurations and block sizes. Jekeli, C. and Rapp, R. H. Unspecified Center REPT-307 NGR-36-008-161
Author | : Christopher Jekeli |
Publisher | : |
Total Pages | : 22 |
Release | : 1980 |
Genre | : Gravity |
ISBN | : |
Download Accuracy of the Determination of Mean Anomalies and Mean Geoid Undulations from a Satellite Gravity Field Mapping Mission Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 462 |
Release | : 1988 |
Genre | : Aeronautics |
ISBN | : |
Download NASA Technical Memorandum Book in PDF, Epub and Kindle
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 126 |
Release | : 1997-09-02 |
Genre | : Science |
ISBN | : 0309174767 |
Download Satellite Gravity and the Geosphere Book in PDF, Epub and Kindle
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 | : Majid Naeimi |
Publisher | : Springer |
Total Pages | : 181 |
Release | : 2017-02-10 |
Genre | : Science |
ISBN | : 3319499416 |
Download Global Gravity Field Modeling from Satellite-to-Satellite Tracking Data Book in PDF, Epub and Kindle
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.
Author | : |
Publisher | : |
Total Pages | : 836 |
Release | : 1994 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 88 |
Release | : 1981 |
Genre | : Geodynamics |
ISBN | : |
Download NASA Geodynamics Program Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 218 |
Release | : 1986 |
Genre | : Artificial satellites |
ISBN | : |
Download Geopotential Research Mission, Science, Engineering, and Program Summary Book in PDF, Epub and Kindle
Author | : Battista Benciolini |
Publisher | : Springer Science & Business Media |
Total Pages | : 190 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 3642566774 |
Download IV Hotine-Marussi Symposium on Mathematical Geodesy Book in PDF, Epub and Kindle
Based on the IV Hotine-Marussi Symposium held in Trento, the volume covers three important topics: boundary value problems, satellite geodesy and stochastic methods in geodesy. The first part deals with boundary value problems which are tackled from both the theoretical and the numerical point of view. The part on satellite geodesy deals with the simulation of the GOCE mission, the integration of satellite gradiometry and airborne gravity for gravity-filed recovery, satellite-to-satellite tracking and orbit sensitivity analysis. Various applied and theoretical contributions are devoted to the stochastic methods applied to geodesy. The book presents the state-of-the-art of the main topics in the theoretical and methodological aspects of geodesy.
Author | : Urs Marti |
Publisher | : Springer |
Total Pages | : 330 |
Release | : 2015-01-13 |
Genre | : Science |
ISBN | : 3319108379 |
Download Gravity, Geoid and Height Systems Book in PDF, Epub and Kindle
This volume includes a selection of papers presented at the IAG international symposium "Gravity, Geoid and Height Systems 2012" (GGHS2012), which was organized by IAG Commission 2 “Gravity Field” with the assistance of the International Gravity Field Service (IGFS) and GGOS Theme 1 “Unified Global Height System”. The book summarizes the latest results on gravimetry and gravity networks, global gravity field modeling and applications, future gravity field missions. It provides a detailed compilation on advances in precise local and regional high-resolution geoid modeling, the establishment and unification of vertical reference systems, contributions to gravity field and mass transport modeling as well as articles on the gravity field of planetary bodies.