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Kellogg et al. 1990

Kellogg, J.N., Freymueller, J.T., Dixon, T.H., Neilan, R.E., Ropain, C.U., Camargo, S.M., Fernandez, B., Stowell, J.L., Salazar, A., Mora, J.V., Espin, L., Perdue, V. and Leos, L. (1990). First GPS baseline results from the North Andes. Geophysical Research Letters 17: doi: 10.1029/89GL03675. issn: 0094-8276.

The CASA UNO GPS (Global Positioning System) experiment (January--February 1988) has provided the first epoch baseline measurements for the study of plate motions and crustal deformation in and around the North Andes. Two dimensional horizontal baseline repeatabilities are as good as 5 parts in 108 for short baselines (100--1000 km), and better than 3 parts in 108 for long baselines (>1000 km). Vertical repeatabilities are typically 4--6 cm, with a weak dependence on baseline length. The expected rate of plate convergence across the Columbia Trench is 6--8 cm/yr, which should be detectable by the repeat experiment planned for 1991. Expected deformation rates within the North Andes are of the order of 1 cm/yr, which may be detectable with the 1991 experiment. ¿ American Geophysical Union 1990

BACKGROUND DATA FILES

	Abstract

Keywords
Geodesy and Gravity, Control surveys, Information Related to Geographic Region, South America

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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