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Assessing Fault Slip Hazard in Taiwan Using Space Geodesy.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Assessing Fault Slip Hazard in Taiwan Using Space Geodesy./
Author:	Robbins, Kathryn Rose.
Description:	1 online resource (110 pages)
Notes:	Source: Masters Abstracts International, Volume: 84-03.
Contained By:	Masters Abstracts International84-03.
Subject:	Geophysics. -
Online resource:	click for full text (PQDT)
ISBN:	9798351467191

Assessing Fault Slip Hazard in Taiwan Using Space Geodesy.
Robbins, Kathryn Rose.

Assessing Fault Slip Hazard in Taiwan Using Space Geodesy. - 1 online resource (110 pages)

Source: Masters Abstracts International, Volume: 84-03.

Thesis (M.S.)--University of Maryland, College Park, 2022.

Includes bibliographical references

Taiwan is a geologically complex region due to the continuous collision of the Eurasian Plate and the Philippine Sea Plate. This study aimed to quantify the interseismic crustal deformation of Taiwan and detail the island's seismic hazard potential using space geodesy. Data were collected between 2016 and 2021 through C-band Copernicus Sentinel-1 synthetic aperture radar imagery and continuous GNSS data from Academia Sinica, Taiwan. I excluded major earthquake events within this time period and generated a dataset consisting of interferometric synthetic aperture radar ground motion velocities with GNSS corrections and interpolated GNSS ground motion velocities. Then, utilizing this dataset, I performed a deformation rate analysis and error analysis. Next, I explored block modeling and used a total variation regularization approach to determine the reference block model that best reduced velocity residuals and minimized the number of independently rotating blocks. Results suggested that the Taipei Basin, Ilan Basin, Western Foothills, and Longitudinal Valley were experiencing increased total strain rate accumulation and, therefore, posed increased seismic hazard.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798351467191Subjects--Topical Terms:

686174
Geophysics.
Subjects--Index Terms:

Active tectonicsIndex Terms--Genre/Form:

554714
Electronic books.

Assessing Fault Slip Hazard in Taiwan Using Space Geodesy.
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500 $a Advisor: Huang, Mong-Han.
502 $a Thesis (M.S.)--University of Maryland, College Park, 2022.
504 $a Includes bibliographical references
520 $a Taiwan is a geologically complex region due to the continuous collision of the Eurasian Plate and the Philippine Sea Plate. This study aimed to quantify the interseismic crustal deformation of Taiwan and detail the island's seismic hazard potential using space geodesy. Data were collected between 2016 and 2021 through C-band Copernicus Sentinel-1 synthetic aperture radar imagery and continuous GNSS data from Academia Sinica, Taiwan. I excluded major earthquake events within this time period and generated a dataset consisting of interferometric synthetic aperture radar ground motion velocities with GNSS corrections and interpolated GNSS ground motion velocities. Then, utilizing this dataset, I performed a deformation rate analysis and error analysis. Next, I explored block modeling and used a total variation regularization approach to determine the reference block model that best reduced velocity residuals and minimized the number of independently rotating blocks. Results suggested that the Taipei Basin, Ilan Basin, Western Foothills, and Longitudinal Valley were experiencing increased total strain rate accumulation and, therefore, posed increased seismic hazard.
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538 $a Mode of access: World Wide Web
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653 $a Active tectonics
653 $a Geodesy
653 $a Geophysics
653 $a Global navigation satellite system
653 $a Interferometric synthetic aperture radar
653 $a Taiwan
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