Automated processing and direct migration of ambient seismic data

Aaron Girard

Research output: ThesisDoctoral Thesis

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Abstract

Seismic imaging is an Earth exploration methodology for identifying subsurface structure. Where it is not feasible to utilise purpose-built sources, ambient seismic energy can be used; however, this requires significant data processing and is difficult to validate. I develop a data processing workflow, quality control measures, and an ambient direct migration approach to mitigate coherent noise in a 30 ambient seismic data set near Lalor Lake, Manitoba, Canada, resulting in images sufficient for identifying subsurface reflectors. Ambient images are compared to a coincident active-source 30 seismic survey to show the similarities between these images, and the success of this method.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Thesis sponsors
Award date30 May 2019
DOIs
Publication statusUnpublished - 2019

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seismic data
seismic survey
quality control
methodology
lake
energy
method
control measure

Cite this

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title = "Automated processing and direct migration of ambient seismic data",
abstract = "Seismic imaging is an Earth exploration methodology for identifying subsurface structure. Where it is not feasible to utilise purpose-built sources, ambient seismic energy can be used; however, this requires significant data processing and is difficult to validate. I develop a data processing workflow, quality control measures, and an ambient direct migration approach to mitigate coherent noise in a 30 ambient seismic data set near Lalor Lake, Manitoba, Canada, resulting in images sufficient for identifying subsurface reflectors. Ambient images are compared to a coincident active-source 30 seismic survey to show the similarities between these images, and the success of this method.",
keywords = "Geophysics, Seismology, ambient, imaging, signal processing",
author = "Aaron Girard",
year = "2019",
doi = "10.26182/5d1ad35f77f01",
language = "English",
school = "The University of Western Australia",

}

Girard, A 2019, 'Automated processing and direct migration of ambient seismic data', Doctor of Philosophy, The University of Western Australia. https://doi.org/10.26182/5d1ad35f77f01

Automated processing and direct migration of ambient seismic data. / Girard, Aaron.

2019.

Research output: ThesisDoctoral Thesis

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PY - 2019

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N2 - Seismic imaging is an Earth exploration methodology for identifying subsurface structure. Where it is not feasible to utilise purpose-built sources, ambient seismic energy can be used; however, this requires significant data processing and is difficult to validate. I develop a data processing workflow, quality control measures, and an ambient direct migration approach to mitigate coherent noise in a 30 ambient seismic data set near Lalor Lake, Manitoba, Canada, resulting in images sufficient for identifying subsurface reflectors. Ambient images are compared to a coincident active-source 30 seismic survey to show the similarities between these images, and the success of this method.

AB - Seismic imaging is an Earth exploration methodology for identifying subsurface structure. Where it is not feasible to utilise purpose-built sources, ambient seismic energy can be used; however, this requires significant data processing and is difficult to validate. I develop a data processing workflow, quality control measures, and an ambient direct migration approach to mitigate coherent noise in a 30 ambient seismic data set near Lalor Lake, Manitoba, Canada, resulting in images sufficient for identifying subsurface reflectors. Ambient images are compared to a coincident active-source 30 seismic survey to show the similarities between these images, and the success of this method.

KW - Geophysics

KW - Seismology

KW - ambient

KW - imaging

KW - signal processing

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DO - 10.26182/5d1ad35f77f01

M3 - Doctoral Thesis

ER -