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Book
Enhanced Surface Imaging of Crustal Deformation : Obtaining Tectonic Force Fields Using GPS Data
Authors: --- --- ---
ISBN: 9783319215785 3319215779 9783319215778 3319215787 Year: 2015 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Abstract

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.


Digital
Enhanced Surface Imaging of Crustal Deformation : Obtaining Tectonic Force Fields Using GPS Data
Authors: --- --- ---
ISBN: 9783319215785 9783319215778 9783319215792 Year: 2015 Publisher: Cham Springer International Publishing

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Export citation

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Bookmark

Abstract

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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