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The rotation of the earthIn the four years between 1983 and 1986, two developments have led to significant improvement in the measurements and theoretical studies of the earth's rotation: the upgrading of the laser network of the NASA, and the expansion of VLBI observations. In this report, observations conducted with the purpose of regular monitoring of the earth's orientation are described, and the use of the data to compute variations in the length of the day and to determine corrections to the earth's nutation are discussed. The improved accuracy and resolution of recent observations made it also possible to measure and account for polar motion on time scales of a month or less.
Document ID
19870059415
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
King, Robert W.
(MIT Cambridge, MA, United States)
Date Acquired
August 13, 2013
Publication Date
June 1, 1987
Publication Information
Publication: Reviews of Geophysics
Volume: 25
ISSN: 8755-1209
Subject Category
Geophysics
Accession Number
87A46689
Funding Number(s)
CONTRACT_GRANT: NAG5-737
CONTRACT_GRANT: F19628-86-K-0009
Distribution Limits
Public
Copyright
Other

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