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Tectonic motion and deformation from satellite laser ranging to LageosData on satellite laser ranging (SLR) to Lageos aquired during the period 1978-1988 are analyzed on the basis of the precise modeling of the orbit dynamics of Lageos, producing estimates of tectonic motion for 22 sites located on seven major plates. It was estimated that intraplate motion within northern Europe is below the 2 mm/yr level in absolute rate, in agreement with conclusions of Zoback et al. (1989) regarding the stress across the region. A comparison of SLR geodesic rates with those from NUVEL-1 and AMO-2 models showed high correlations between tracking sites that are well within plate interiors, but displayed small but significant departures from unity in slope which are attributed to the possibility of recent changes in relative velocities or geologic time scale uncertainties. For lines crossing the Nnorth Atlantic, the San Andreas fault, and within the Basin and Range province, the geodesic rates determined by SLR are in good agreement with those determined by VLBI.
Document ID
19910034001
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Smith, David E.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kolenkiewicz, Ronald
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Dunn, Peter J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Robbins, John W.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Torrence, Mark H.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Klosko, Steve M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Williamson, Ronald G.
(ST Systems Corp. Lanham, MD, United States)
Pavlis, Erricos C.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Douglas, Nancy B.
(NASA Goddard Space Flight Center Greenbelt; Maryland, University, College Park, United States)
Date Acquired
August 15, 2013
Publication Date
December 10, 1990
Publication Information
Publication: Journal of Geophysical Research
Volume: 95
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
91A18624
Distribution Limits
Public
Copyright
Other

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