Seismic Monitoring of Baseflow and Groundwater Changes in the Yellowstone National Park

Abstract Relative seismic velocity changes (dv/v) are being increasingly used to monitor changes in groundwater. However, it remains challenging to verify its implementation in watersheds without direct groundwater well measurements. In this study, we conduct a 12‐year dv/v observation in a watershe...

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Main Authors: Bingxu Luo, Hejun Zhu, David Lumley
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Geophysical Research Letters
Online Access:https://doi.org/10.1029/2024GL111352
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author Bingxu Luo
Hejun Zhu
David Lumley
author_facet Bingxu Luo
Hejun Zhu
David Lumley
author_sort Bingxu Luo
collection DOAJ
description Abstract Relative seismic velocity changes (dv/v) are being increasingly used to monitor changes in groundwater. However, it remains challenging to verify its implementation in watersheds without direct groundwater well measurements. In this study, we conduct a 12‐year dv/v observation in a watershed of the Yellowstone National Park (YNP). We find that the seasonal fluctuations and long‐term trend of the measured dv/v are highly correlated with the estimated baseflow, which serves as a constraint for groundwater changes. We integrate the estimated baseflow into a poroelastic mechanism and conduct two dv/v simulations based on pressure diffusion. These simulations closely match with our observed dv/v variations. In addition, our analysis suggest that the measured dv/v is primarily influenced by hydrologic pressure diffusion rather than surface air temperature. We conclude that the baseflow analysis can further enhance the seismic monitoring of groundwater changes.
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spelling doaj-art-cc33823d7b6f451a8a82d6426d8d3ea72025-08-20T02:31:09ZengWileyGeophysical Research Letters0094-82761944-80072025-02-01524n/an/a10.1029/2024GL111352Seismic Monitoring of Baseflow and Groundwater Changes in the Yellowstone National ParkBingxu Luo0Hejun Zhu1David Lumley2Department of Sustainable Earth Systems Sciences The University of Texas at Dallas Richardson TX USADepartment of Sustainable Earth Systems Sciences The University of Texas at Dallas Richardson TX USADepartment of Sustainable Earth Systems Sciences The University of Texas at Dallas Richardson TX USAAbstract Relative seismic velocity changes (dv/v) are being increasingly used to monitor changes in groundwater. However, it remains challenging to verify its implementation in watersheds without direct groundwater well measurements. In this study, we conduct a 12‐year dv/v observation in a watershed of the Yellowstone National Park (YNP). We find that the seasonal fluctuations and long‐term trend of the measured dv/v are highly correlated with the estimated baseflow, which serves as a constraint for groundwater changes. We integrate the estimated baseflow into a poroelastic mechanism and conduct two dv/v simulations based on pressure diffusion. These simulations closely match with our observed dv/v variations. In addition, our analysis suggest that the measured dv/v is primarily influenced by hydrologic pressure diffusion rather than surface air temperature. We conclude that the baseflow analysis can further enhance the seismic monitoring of groundwater changes.https://doi.org/10.1029/2024GL111352
spellingShingle Bingxu Luo
Hejun Zhu
David Lumley
Seismic Monitoring of Baseflow and Groundwater Changes in the Yellowstone National Park
Geophysical Research Letters
title Seismic Monitoring of Baseflow and Groundwater Changes in the Yellowstone National Park
title_full Seismic Monitoring of Baseflow and Groundwater Changes in the Yellowstone National Park
title_fullStr Seismic Monitoring of Baseflow and Groundwater Changes in the Yellowstone National Park
title_full_unstemmed Seismic Monitoring of Baseflow and Groundwater Changes in the Yellowstone National Park
title_short Seismic Monitoring of Baseflow and Groundwater Changes in the Yellowstone National Park
title_sort seismic monitoring of baseflow and groundwater changes in the yellowstone national park
url https://doi.org/10.1029/2024GL111352
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