Results 11 to 20 of about 605,537 (174)

A Comparative Study of Ionospheric Correction on SAR Interferometry—A Case Study of L’Aquila Earthquake [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2022
Synthetic Aperture Radar Interferometry (InSAR) has shown its potential on seismic deformation monitoring since it can achieve the accuracy of centimeter level or even the millimeter level.
Yufang HE,Wu ZHU,Yang LEI,Qin ZHANG,Zhenhong LI
doaj   +1 more source

Evaluation of Various Data Acquisition Scenarios for the Retrieval of Seismic Body Waves from Ambient Noise Seismic Interferometry Technique via Numerical Modeling

open access: yesGeosciences, 2022
Seismic interferometry is often proposed as a cost-efficient technique for reservoir monitoring including CO2 sequestration due to its low cost and environmental advantages over active source imaging.
Haitao Cao   +5 more
doaj   +1 more source

Weak Signal Enhancement for Passive Seismic Data Reconstruction Based on Deep Learning

open access: yesRemote Sensing, 2022
In conventional passive seismic exploration, it is often necessary to make a long-period seismic record. On the one hand, the passive seismic records with long period allowed us to screen several good passive seismic records with long period for seismic ...
Binghui Zhao   +3 more
doaj   +1 more source

Space-time monitoring of groundwater fluctuations with passive seismic interferometry

open access: yesNature Communications, 2022
Historic levels of drought, globally, call for sustainable freshwater management. Under pressing demand is a refined understanding of the structures and dynamics of groundwater systems.
Shujuan Mao   +3 more
semanticscholar   +1 more source

Long-term Ambient seismic interferometry for constraining seasonal subsurface velocity variations in urban settings: A distributed acoustic sensing (DAS) case study

open access: yesGeophysical Journal International, 2023
Ambient seismic interferometry of distributed acoustic sensing (DAS) data acquired on optical fiber arrays is an increasingly common approach for subsurface investigation.
Jihyun Yang, J. Shragge
semanticscholar   +1 more source

Imaging CO 2$_2$ reinjection into basalts at the CarbFix2 reinjection reservoir (Hellisheiði, Iceland) with body‐wave seismic interferometry

open access: yesGeophysical Prospecting, 2023
As part of the Synergetic Utilisation of CO 2$_2$ storage Coupled with geothermal EnErgy Deployment project, investigating CO 2$_2$ reinjection with different seismic methods, both passive and active seismic surveys have been conducted at the geothermal ...
Sverre H. W. Hassing   +15 more
semanticscholar   +1 more source

Continuous monitoring of instrumental clock errors at 50 volcanoes in Japan based on seismic interferometry

open access: yesEarth, Planets and Space, 2023
The correct absolute time of a seismogram is an important prerequisite for many seismological processing methods. Recently, seismic interferometry has been applied to continuously estimate instrumental clock errors in certain regions.
T. Hirose, H. Ueda
semanticscholar   +1 more source

Near-surface real-time seismic imaging using parsimonious interferometry

open access: yesScientific Reports, 2021
Results are presented for real-time seismic imaging of subsurface fluid flow by parsimonious refraction and surface-wave interferometry. Each subsurface velocity image inverted from time-lapse seismic data only requires several minutes of recording time,
Sherif M. Hanafy   +3 more
doaj   +1 more source

4D Physics‐Based Pore Pressure Monitoring Using Passive Image Interferometry

open access: yesGeophysical Research Letters, 2023
This study introduces a technique for four‐dimensional pore pressure monitoring using passive image interferometry. Surface‐wave velocity changes as a function of frequency are directly linked to depth variations of pore pressure changes through ...
Eldert Fokker   +3 more
doaj   +1 more source

Advanced monitoring of tailings dam performance using seismic noise and stress models

open access: yesCommunications Earth & Environment, 2022
Ambient seismic noise interferometry combined with a quantitative stress model can be used to determine changes in seismic wave velocity and, by extension, other geotechnical parameters which are critical to monitoring tailings dam ...
Susanne M. Ouellet   +4 more
doaj   +1 more source

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