Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/151812
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dc.contributor.authorPan, Yuanjinen_US
dc.contributor.authorHammond, William C.en_US
dc.contributor.authorDing, Haoen_US
dc.contributor.authorMallick, Rishaven_US
dc.contributor.authorJiang, Weipingen_US
dc.contributor.authorXu, Xinyuen_US
dc.contributor.authorShum, C. K.en_US
dc.contributor.authorShen, Wenbinen_US
dc.date.accessioned2021-10-19T07:12:36Z-
dc.date.available2021-10-19T07:12:36Z-
dc.date.issued2021-
dc.identifier.citationPan, Y., Hammond, W. C., Ding, H., Mallick, R., Jiang, W., Xu, X., Shum, C. K. & Shen, W. (2021). GPS imaging of vertical bedrock displacements : quantification of two-dimensional vertical crustal deformation in China. Journal of Geophysical Research: Solid Earth, 126(4), e2020JB020951-. https://dx.doi.org/10.1029/2020JB020951en_US
dc.identifier.issn2169-9313en_US
dc.identifier.other0000-0001-6683-2342-
dc.identifier.other0000-0001-7367-9489-
dc.identifier.other0000-0002-3058-8197-
dc.identifier.other0000-0002-8983-0849-
dc.identifier.other0000-0003-1614-1900-
dc.identifier.other0000-0001-9378-4067-
dc.identifier.other0000-0002-9267-5982-
dc.identifier.urihttps://hdl.handle.net/10356/151812-
dc.description.abstractThe Global Positioning System (GPS) derived bedrock displacements respond to multiple geophysical effects, ranging from surface elastic loads to tectonic sources or viscoelastic uplifts stemming from Earth’s viscous mantle. In this study, the GPS-inferred vertical crustal velocities are rigorously estimated in mainland China. We integrate the GPS vertical velocity field with Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-On (GFO) data, adopting an empirical Spatial Structure Function (SSF), to image tectonic deformation in mainland China with respect to the International Terrestrial Reference Frame (ITRF) 2014. We present four profiles across China, which indicate that our new robust results are superior to kriging. Furthermore, we use the GRACE/GFO products to account for elastic deformation due to surface mass changes to isolate tectonic deformation signals at GPS sites within mainland China from 2002 to 2019. By integrating GPS and GRACE/GFO measurements, our results reveal the long-term spatial patterns of vertical tectonic motion in different blocks in mainland China. We conclude that significant steep velocity gradients occur at tectonic block boundaries that are attributable to locking and elastic strain accumulation on active block boundary faults.en_US
dc.language.isoenen_US
dc.relation.ispartofJournal of Geophysical Research: Solid Earthen_US
dc.rights© 2021 American Geophysical Union (AGU). All rights reserved. This paper was published in Journal of Geophysical Research: Solid Earth and is made available with permission of American Geophysical Union (AGU).en_US
dc.subjectScience::Geologyen_US
dc.titleGPS imaging of vertical bedrock displacements : quantification of two-dimensional vertical crustal deformation in Chinaen_US
dc.typeJournal Articleen
dc.contributor.schoolAsian School of the Environmenten_US
dc.contributor.researchEarth Observatory of Singaporeen_US
dc.identifier.doi10.1029/2020JB020951-
dc.description.versionPublished versionen_US
dc.identifier.scopus2-s2.0-85104972236-
dc.identifier.issue4en_US
dc.identifier.volume126en_US
dc.identifier.spagee2020JB020951en_US
dc.subject.keywordsGPS-derived Vertical Velocityen_US
dc.subject.keywordsGlobal Positioning System Imagingen_US
dc.description.acknowledgementWe are most grateful to the National Key Scientific Projects “Tectonic and Environmental Observation Network of Mainland China” (CMONOC I and II). The project was funded by the NSFCs (Grant 41904012, 41721003, 41774024, and 41974022), China Postdoctoral Science Foundation (2020T130482, 2018M630879).en_US
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