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Enhanced Surface Imaging of Crustal Deformation: Obtaining Tectonic Force Fields Using GPS Data

Enhanced Surface Imaging of Crustal Deformation: Obtaining Tectonic Force Fields Using GPS Data

Paperback

Series: Springerbriefs in Earth Sciences

Environmental StudiesGeneral MathematicsPhysics

Currently unavailable to order

ISBN10: 3319215779
ISBN13: 9783319215778
Publisher: Springer Nature
Published: Aug 26 2015
Pages: 99
Weight: 0.51
Height: 0.30 Width: 6.09 Depth: 9.32
Language: English

This book takes an in depth look at a novel methodology for analyzing Global Positioning System (GPS) data to obtain the highest possible resolution surface imaging of tectonic deformation sources without prescribing the nature of either the sources or the subsurface medium. GPS methods are widely used to track the surface expression of crustal deformation at tectonic plate boundaries, and are typically expressed in terms of velocity fields or strain rate fields. Vertical derivatives of horizontal stress (VDoHS) rates at the Earth's surface can also be derived from GPS velocities, and VDoHS rates provide much higher resolution information about subsurface deformation sources than velocities or strain rates. In particular, VDoHS rates allow for high precision estimates of fault dips, slip rates and locking depths, as well as objective characterization of previously unknown (or hidden) tectonic deformation zones.

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Environmental Studies