Mathematics – Logic
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9522013s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 95, Dec. 10, 1990, p. 22013-22041.
Mathematics
Logic
49
Geodynamics, Lageos (Satellite), Rangefinding, Tectonics, Geodesy, Global Positioning System, Orbit Calculation
Scientific paper
Data 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.
Douglas Nancy B.
Dunn Peter J.
Klosko Steve M.
Kolenkiewicz Ronald
Pavlis Erricos C.
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