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The Collaborative Seismic Earth Model: Generation 1

descriptionPublicationkeyboard_double_arrow_right Other literature type , Article 16 May 2018 English Geophysical Research Letters, volume 45, issue 9, page 4,007 (issn: 0094-8276,

Andreas Fichtner; Dirk Philip van Herwaarden; Michael Afanasiev; Saulė Simutė; Lion Krischer; Yeşim Çubuk-Sabuncu; Tuncay Taymaz; +7 Authors

doi: 10.3929/ethz-b-000268473 , 10.1029/2018gl077338

handle: 1874/365256 , 10261/165390 , 20.500.11850/268473

pmid: 30034050

pmc: PMC6049981

The Collaborative Seismic Earth Model: Generation 1

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Abstract

We present a general concept for evolutionary, collaborative, multiscale inversion of geophysical data, specifically applied to the construction of a first-generation Collaborative Seismic Earth Model. This is intended to address the limited resources of individual researchers and the often limited use of previously accumulated knowledge. Model evolution rests on a Bayesian updating scheme, simplified into a deterministic method that honors today's computational restrictions. The scheme is able to harness distributed human and computing power. It furthermore handles conflicting updates, as well as variable parameterizations of different model refinements or different inversion techniques. The first-generation Collaborative Seismic Earth Model comprises 12 refinements from full seismic waveform inversion, ranging from regional crustal- to continental-scale models. A global full-waveform inversion ensures that regional refinements translate into whole-Earth structure. ©2018. American Geophysical Union. All Rights Reserved.

This work was supported by the PASC project GeoScale, the CSCS computing time grant ch1, the European Research Council (ERC) under the EU’s Horizon 2020 programme (grant 714069), Istanbul Technical University, the National Science Council of Turkey, the A. v. Humboldt Foundation, and the EU-COST Action ES1401-TIDES-STSM.

Andreas Fichtner et. al.

Peer reviewed

Countries

Spain, Switzerland, Netherlands, France

Related Organizations

Istanbul Technical University
Turkey
University of Western Australia
Australia
Ludwig-Maximilians-Universität München
Germany
Department of Earth Sciences Faculty of Geosciences Utrecht University
Netherlands
University of Houston
United States

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Subjects by Vocabulary

arXiv: Physics::Geophysics

Microsoft Academic Graph classification: Waveform inversion Computer science Earth model Computational geophysics Ranging Inversion (meteorology) Bayesian inference Earth structure engineering.material engineering Distributed computing Limited resources

Keywords

computational geophysics, Earth structure, inverse theory, seismology, tomography, wave propagation, Geophysics, Earth and Planetary Sciences(all), Computational Geophysics, Earth structure, Inverse theory, Seismology, Tomography, Wave propagation, General Earth and Planetary Sciences, inverse theory; seismology; wave propagation; tomography; Earth structure; computational geophysics, Solid Earth, Modeling, Informatics, Oceanography: General, Numerical Modeling, Natural Hazards, Geological, Physical Modeling, Radio Science, Tomography and Imaging, Theory, Volcano Seismology, Tectonophysics, Volcanology, Volcano Monitoring, General or Miscellaneous, Techniques Applicable in Three or More Fields, Research Letter, Research Letters, [SDU.STU.GP] Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph], [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph]

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	55
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Substantial
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average

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visibility	views	7
download	downloads	19

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	55
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Substantial
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average