Results 1 to 10 of about 13,894 (221)

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

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

Seismic interferometry in the presence of an isolated noise source

open access: yesSeismica, 2022
Seismic interferometry gives rise to a correlation wavefield that is closely related to the Green’s function under the condition of uniformly distributed noise sources. In the presence of an additional isolated noise source, a second contribution
Sven Schippkus   +2 more
doaj   +1 more source

Permanent, seasonal, and episodic seismic sources around Vatnajökull, Iceland from the analysis of correlograms

open access: yesVolcanica, 2021
In this study, we locate and characterise the main seismic noise sources in the region of the Vatnajökull icecap (Iceland). Vatnajökull is the largest Icelandic icecap, covering several active volcanoes.
Sylvain Nowé   +4 more
doaj   +1 more source

A near-surface seismic scattered wave separation method

open access: yesPetroleum Exploration and Development, 2014
Considering that near-surface scattered waves could not be suppressed by conventional denoise method, this paper analyzes the characteristics of scattered waves and achieves the near-surface scattered wave separation by the seismic interferometry theory.
Jixiang XU, B F McLean, Xuejuan SONG
doaj   +1 more source

Spatiotemporal evaluation of Rayleigh surface wave estimated from roadside dark fiber DAS array and traffic noise

open access: yesSeismica, 2023
Seismic imaging and monitoring of the near-surface structure are crucial for the sustainable development of urban areas. However, standard seismic surveys based on cabled or autonomous geophone arrays are expensive and hard to adapt to noisy ...
Rafał Czarny, Tieyuan Zhu, Junzhu Shen
doaj   +1 more source

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