Physics-Based Relationship for Pore Pressure and Vertical Stress Monitoring Using Seismic Velocity Variations

Eldert Fokker; Elmer Ruigrok; Rhys Hawkins; Jeannot Trampert

doi:10.3390/rs13142684

Physics-Based Relationship for Pore Pressure and Vertical Stress Monitoring Using Seismic Velocity Variations

Eldert Fokker, Elmer Ruigrok, Rhys Hawkins, Jeannot Trampert

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

Previous studies examining the relationship between the groundwater table and seismic velocities have been guided by empirical relationships only. Here, we develop a physics-based model relating fluctuations in groundwater table and pore pressure with seismic velocity variations through changes in effective stress. This model justifies the use of seismic velocity variations for monitoring of the pore pressure. Using a subset of the Groningen seismic network, near-surface velocity changes are estimated over a four-year period, using passive image interferometry. The same velocity changes are predicted by applying the newly derived theory to pressure-head recordings. It is demonstrated that the theory provides a close match of the observed seismic velocity changes.

Original language	English
Article number	2684
Pages (from-to)	1-20
Number of pages	20
Journal	Remote Sensing
Volume	13
Issue number	14
DOIs	https://doi.org/10.3390/rs13142684
Publication status	Published - 2 Jul 2021

Bibliographical note

Funding Information:
Funding: This work is part of research programme DeepNL, financed by the Dutch Research Council (NWO) under project number DeepNL.2018.033.

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

Ambient noise
Coda-based monitoring
Groningen
Passive image interferometry
Pore pressure monitoring
Seismic interferometry

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10.3390/rs13142684Licence: CC BY

remotesensing-13-02684-v2Final published version, 5.19 MBLicence: CC BY

Cite this

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title = "Physics-Based Relationship for Pore Pressure and Vertical Stress Monitoring Using Seismic Velocity Variations",

abstract = "Previous studies examining the relationship between the groundwater table and seismic velocities have been guided by empirical relationships only. Here, we develop a physics-based model relating fluctuations in groundwater table and pore pressure with seismic velocity variations through changes in effective stress. This model justifies the use of seismic velocity variations for monitoring of the pore pressure. Using a subset of the Groningen seismic network, near-surface velocity changes are estimated over a four-year period, using passive image interferometry. The same velocity changes are predicted by applying the newly derived theory to pressure-head recordings. It is demonstrated that the theory provides a close match of the observed seismic velocity changes.",

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AU - Hawkins, Rhys

AU - Trampert, Jeannot

N1 - Funding Information: Funding: This work is part of research programme DeepNL, financed by the Dutch Research Council (NWO) under project number DeepNL.2018.033. Publisher Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

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Physics-Based Relationship for Pore Pressure and Vertical Stress Monitoring Using Seismic Velocity Variations

Abstract

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Keywords

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