Crustal Dynamics Project Data Analysis 1990

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Crustal Dynamics Project Data Analysis, 1990

National Aeronautics and Space Administration (NASA)
Crustal Dynamics Project Data Analysis 1990 Book PDF

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 396 pages
File Size : 53,6 Mb
Release : 2018-07-24
Category : Electronic
ISBN : 172354955X

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Crustal Dynamics Project Data Analysis, 1990 by National Aeronautics and Space Administration (NASA) Pdf

The Goddard Very Long Baseline Interferometry (VLBI) group reports the results of analyzing 1073 Mark 3 data sets acquired from fixed and mobile observing sites through the end of 1989 and available to the Crustal Dynamics Project. Two large solutions, GLB656 and GLB657, were used to establish a VLBI reference frame with an origin coincident with the ITRF89. Another large solution, GLB658, was used to obtain Earth rotation parameters, nutation offsets, and global source positions. Site velocities were obtained from another large solution, GLB659. A fifth large solution, GLB660, was used to obtain baseline evolution. Site positions are tabulated on a yearly basis from 1979 through 1992. Site velocities are presented in both Cartesian and topocentric coordinates. The results include 76 sources, 80 sites, and 422 baselines. Caprette, D. S. and Ma, C. and Ryan, J. W. Goddard Space Flight Center NASA-TM-100765, REPT-91E00714, NAS 1.15:100765 ...

Crustal Dynamics Project Data Analysis, 1991

National Aeronautics and Space Administration (NASA)
Crustal Dynamics Project Data Analysis 1991 Book PDF

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 412 pages
File Size : 55,8 Mb
Release : 2018-07-24
Category : Electronic
ISBN : 1723549673

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Crustal Dynamics Project Data Analysis, 1991 by National Aeronautics and Space Administration (NASA) Pdf

The Goddard VLBI group reports the results of analyzing 1412 Mark II data sets acquired from fixed and mobile observing sites through the end of 1990 and available to the Crustal Dynamics Project. Three large solutions were used to obtain Earth rotation parameters, nutation offsets, global source positions, site velocities, and baseline evolution. Site positions are tabulated on a yearly basis from 1979 through 1992. Site velocities are presented in both geocentric Cartesian coordinates and topocentric coordinates. Baseline evolution is plotted for 175 baselines. Rates are computed for earth rotation and nutation parameters. Included are 104 sources, 88 fixed stations and mobile sites, and 688 baselines. Ma, C. and Ryan, J. W. and Caprette, D. S. Goddard Space Flight Center NASA-TM-104552, REPT-92B00070, NAS 1.15:104552 ...

Contributions of Space Geodesy to Geodynamics

David E. Smith,Donald L. Turcotte
Contributions of Space Geodesy to Geodynamics Book PDF

Author : David E. Smith,Donald L. Turcotte
Publisher : American Geophysical Union
Page : 225 pages
File Size : 44,5 Mb
Release : 1993-01-11
Category : Science
ISBN : 9780875905242

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Contributions of Space Geodesy to Geodynamics by David E. Smith,Donald L. Turcotte Pdf

Published by the American Geophysical Union as part of the Geodynamics Series, Volume 24. There are times in the history of a science when the evolving technology has been combined with a singleness of purpose to make possible the next great step. For space geodesy the decade of the 1980s was one of those times. Initiated in the early 1980s, the NASA Crustal Dynamics Project (CDP), a global venture of unprecedented proportions, exploited new technologies to confirm and refine tectonic theories and to advance geodynamics. The highlights of the efforts of scientists and engineers from some 30 countries are contained in the 54 papers collected in three volumes which are dedicated to the memory of Edward A. (Ted) Flinn, the former Chief Scientist of the NASA Geodynamics Program.

Crustal Dynamics Project Data Analysis--1986

C. Ma,J. W. Ryan
Crustal Dynamics Project Data Analysis 1986 Book PDF

Author : C. Ma,J. W. Ryan
Publisher : Unknown
Page : 214 pages
File Size : 48,8 Mb
Release : 1987
Category : Earth
ISBN : NASA:31769000573512

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Crustal Dynamics Project Data Analysis--1986 by C. Ma,J. W. Ryan Pdf

The Goddard VLBI group reports the results of analyzing 361 Mark III VLBI data sets from fixed observatories through the end of 1985 which are available to the Crustal Dynamics Project. All POLARIS/IRIS full-day data sets are included. The mobile VLBI sites at Platteville, Colorado; Penticton, British Columbia; and Yellowknife, Northwest Territories are also included since these occupations bear on the study of plate stability. Two large solutions, GLB027 and GLB028, were used to obtain site/baseline evolutions and Earth rotation parameters, respectively. Source positions and nutation offsets were also adjusted in each solution. The results include 23 sites and 101 baselines.

International VLBI Service for Geodesy and Astrometry: 2000 General Meeting Proceedings

International VLBI Service for Geodesy and Astrometry. General Meeting
International VLBI Service for Geodesy and Astrometry 2000 General Meeting Proceedings Book PDF

Author : International VLBI Service for Geodesy and Astrometry. General Meeting
Publisher : Unknown
Page : 444 pages
File Size : 44,7 Mb
Release : 2000
Category : Astrometry
ISBN : PSU:000045007958

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International VLBI Service for Geodesy and Astrometry: 2000 General Meeting Proceedings by International VLBI Service for Geodesy and Astrometry. General Meeting Pdf

Geodesy and Physics of the Earth

Horst Montag,Christoph Reigber
Geodesy and Physics of the Earth Book PDF

Author : Horst Montag,Christoph Reigber
Publisher : Springer Science & Business Media
Page : 482 pages
File Size : 44,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642781490

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Geodesy and Physics of the Earth by Horst Montag,Christoph Reigber Pdf

The investigation of the kinematics and dynamics of the Earth has achieved remarkable progresses in the last decades in understanding and explaining a large variety of geo- dynamical, geophysical and geological phenomena. The impact of increasingly precise geodetic space-time measurements and analyses have much contributed to these results. Papers presented atthe 7th International Symposium on Geodesy and Physics of the Earth focus onfour topics: - Present Day Tectonic Motions - Gravity Field and its Variation - Earth Rotation Characteristics - International Programs for Geodesy and Geodynamics Researchers and advanced students may use this volume as a comprehensive reference of concepts, techniques and results.

Developments in Astrometry and Their Impact on Astrophysics and Geodynamics

Ivan I. Mueller,Barbara Kolaczek
Developments in Astrometry and Their Impact on Astrophysics and Geodynamics Book PDF

Author : Ivan I. Mueller,Barbara Kolaczek
Publisher : Springer Science & Business Media
Page : 446 pages
File Size : 45,8 Mb
Release : 2013-12-01
Category : Science
ISBN : 9789401117111

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Developments in Astrometry and Their Impact on Astrophysics and Geodynamics by Ivan I. Mueller,Barbara Kolaczek Pdf

In this review talk, I would like to report on the proper motion analysis, which has been recently carried out together with M. Soma and M. Yoshizawa: There has been a persistent demand in astronomy for accurate stellar positions and proper motions, which are represented by an inertial reference system constructed on the basis of a set of consistent astronomical constants. In the reference system the precessional constant plays a primary role. In a series of papers Fricke (1967a,b, 1977a,b) has deter mined the luni-solar precessional correction to Newcomb's value and the fictitious motion of the equinox, which have been adopted in the "IAU (1976) System of Astronomical Con stants". Based on the precessional correction and the equinoctial motion thus established, the fundamental reference system, the FK5 system (Fricke et al. 1988) for positions and proper motions, has been constructed. However, for several years geodetic VLBI (McCarthy & Luzum 1991) and LLR (Williams et at. 1991) observations have been suggesting an additional correction to the luni-solar precessional constant of the IAU (1976) System. That is, these observations indicate the precessional correction of 6. p ~ -0:'30/cent to the FK5 system. But, the observational period ofthe earth orientation is considered to be still insufficient to separate unambiguously the precessional change of the earth orientation from the nutation with the longest period of 18. 6 years.

Annual Report for ...

United States. National Earth Orientation Service
Annual Report for Book PDF

Author : United States. National Earth Orientation Service
Publisher : Unknown
Page : 60 pages
File Size : 44,5 Mb
Release : 1992
Category : Astronomy
ISBN : UGA:32108025311674

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Annual Report for ... by United States. National Earth Orientation Service Pdf