Definition of Dynamic Datum for Deformation Monitoring: Carmel Fault Environs as a Case Study
Publication: Journal of Surveying Engineering
Volume 140, Issue 2
Abstract
A study of deformations, which is based on the use of geodetic measurements, is usually performed by defining a kinematic model. Such a model, when used to describe a complex geophysical environment, can lead to a partial estimation of the deterministic dynamics, which characterize the entire network. Usually, in a case of deterministic nonlinear movements in the network, there is no possibility to determine a stable datum that may serve as a basis for deformation analysis. Today, the concept of stability in time ascribes rigidity to a congruent datum. This paper redefines the concept of the datum congruency and presents the development of a new dynamic datum, which more closely represents geophysical reality. The new datum changes the main characteristics of a traditional datum and successfully overcomes some of its inherent disadvantages. As an example, the proposed algorithm of the dynamic datum is applied to obtain a deformation analysis in the Carmel fault environs, one of the major geological structures in northern Israel.
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Acknowledgments
The authors would like to thank the reviewers for very constructive remarks.
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Published In
Journal of Surveying Engineering
Volume 140 • Issue 2 • May 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jan 14, 2013
Accepted: Aug 8, 2013
Published online: Feb 10, 2014
Published in print: May 1, 2014
Discussion open until: Jul 10, 2014
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