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GST

Global Seismic Tomography

Coordinatore	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE Organization address address: Rue Michel -Ange 3 city: PARIS postcode: 75794 contact info Titolo: Dr. Nome: Hélène Cognome: Faradji Email: send email Telefono: +33 493 954 190 Fax: +33 492 960 339
Nazionalità Coordinatore	France [FR]
Totale costo	100˙000 €
EC contributo	100˙000 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2007-4-3-IRG
Funding Scheme	MC-IRG
Anno di inizio	2008
Periodo (anno-mese-giorno)	2008-04-01 - 2012-03-31

Partecipanti

#	participant	country	role	EC contrib. [€]
1	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE Organization address address: Rue Michel -Ange 3 city: PARIS postcode: 75794 contact info Titolo: Dr. Nome: Hélène Cognome: Faradji Email: send email Telefono: +33 493 954 190 Fax: +33 492 960 339	FR (PARIS)	coordinator	0.00

Mappa

Word cloud

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wavelet satisfy travel finite frequency acquisition seismic hydrophones active data underwater phases seismological floats ranges nolet geometrical global times oceans optics gst assumptions expansions tomographic inversion france amplitudes tomography students us

Obiettivo del progetto (Objective)

'This proposal is meant to facilitate the transition of Prof. Auguste (Guust) Nolet from Princeton University back to Europe (Université de Nice/Sophia Antipolis). It addresses three aspects of his current research in global seismic tomography: 1. The merging of seismic data in different frequency ranges, including travel times and amplitudes of phases that do not satisfy the assumptions of geometrical optics ('finite-frequency tomography'), 2. Expanding the seismological data acquisition to the oceans by equiping underwater floats with hydrophones, 3. Incorporating wavelet expansions into the tomographic inversion. At a time that the first results from finite-frequency tomography are yielding very relevant results for an understanding of the Earth's chemical and thermal evolution, it is important that current research can be continued uninterrupted. The Marie Curie grant would enable active communication between researchers in the US and Europe with Nolet and his new students in France, and involve the oceanography group in Villefranche in the development of floats.'

Introduzione (Teaser)

Researchers in the EU and the US are working together to investigate three aspects of global seismic tomography.

Descrizione progetto (Article)

The 'Global seismic tomography' (GST) project, comprising scientists from the US and France, will look at the merging of seismic data in different frequency ranges, including travel times and amplitudes of phases that do not satisfy the assumptions of geometrical optics, otherwise known as 'finite-frequency tomography'. It will also study the expansion of the acquisition of seismological data to the oceans by equipping underwater floats with hydrophones. And finally, it will explore the incorporation of wavelet expansions into the tomographic inversion.

The funding from the EU will specifically help the GST project to successfully jumpstart an active research programme in global seismic tomography by allowing the team to acquire an Apex float to be tested as an undersea robot for the recording of earthquake waves in the oceans.

Moreover, it will allow the researchers to organise an international workshop to discuss data sharing and coordinate the development of new algorithms based on compressed sensing. The funding will also help train students in modern data acquisition techniques and finance their participation in conferences.