Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Sambolian, Serge"'
1
Exploiting the Richness of Multi-Component Data: a Time-Dependent Polarization-Based Fwi Approach
Autor: Sambolian, Serge, Brossier, Romain, Métivier, Ludovic
Publikováno v: 83rd EAGE Annual Conference & Exhibition
83rd EAGE Annual Conference & Exhibition, Jun 2022, Madrid, Spain. pp.1-5, ⟨10.3997/2214-4609.202210482⟩
International audience; Main objectives Recasting polarization-based multi-component inversion in a time-domain compatible framework. Showing, through a numerical example, the superior robustness of the proposed approach with respect to phase and amp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::521549f1484a9ad880cbc1bbaea637e9
https://hal.science/hal-03852677/document
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2
Strain to ground motion conversion of distributed acoustic sensing data for earthquake magnitude and stress drop determination
Autor: Lior, Itzhak, Sladen, Anthony, Mercerat, Diego, Ampuero, Jean-Paul, Rivet, Diane, Sambolian, Serge
Publikováno v: Solid Earth
Solid Earth, European Geosciences Union, 2021, 12 (6), pp.1421-1442. ⟨10.5194/se-12-1421-2021⟩
International audience; Abstract. The use of distributed acoustic sensing (DAS) presents unique advantages for earthquake monitoring compared with standard seismic networks: spatially dense measurements adapted for harsh environments and designed for
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a5c16a55b9bbc8c37d552b21b22faa51
https://hal.archives-ouvertes.fr/hal-03324247
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3
Tomographie des pentes à cohérence cinématique fondée sur des solveurs eikonals et la méthode de l’état adjoint : Théorie et applications à la construction de modèles de vitesses et localisation d'événements
Autor: Sambolian, Serge
Publikováno v: Earth Sciences. Université Côte d'Azur, 2021. English. ⟨NNT : 2021COAZ4002⟩
Velocity model building is a key step of seismic imaging since inferring high-resolution subsurface model by migration or full waveform inversion (FWI) is highly dependent on the kinematic accuracy of the retrieved velocity model. Stereotomography, a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::dd7d53a6c121b1a826761c4dc2527490
https://theses.hal.science/tel-03267676/file/2021COAZ4002.pdf
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4
Seismic Exploration of the Deep Structure and Seismogenic Faults in the Ligurian Sea by Joint Multi Channel and Ocean Bottom Seismic Acquisitions: Preliminary Results of the SEFASILS Cruise
Autor: Dessa, Jean-Xavier, Beslier, Marie-Odile, Schenini, Laure, Chamot-Rooke, Nicolas, Corradi, Nicolà, Delescluse, Matthias, Déverchère, Jacques, Larroque, Christophe, Sambolian, Serge, Canva, Albane, Operto, Stéphane, Ribodetti, Alessandra, Agurto-Detzel, Hans, Bulois, Cédric, Chalumeau, Caroline, Combe, Laure
Publikováno v: Geosciences
Geosciences, MDPI, 2020, 10 (3), pp.108. ⟨10.3390/geosciences10030108⟩
Geosciences (2076-3263) (MDPI AG), 2020-03, Vol. 10, N. 3, P. 108 (11p.)
Geosciences, Vol 10, Iss 3, p 108 (2020)
Geosciences, 2020, 10 (3), pp.108. ⟨10.3390/geosciences10030108⟩
International audience; The north Ligurian margin is a complex geological area in many ways. It has witnessedseveral phases of highly contrasting deformation styles, at both crustal scale and that of shallower covertectonics, simultaneously or in qui
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::24df4a2e838aa20568c222d31fe412db
https://hal.archives-ouvertes.fr/hal-02524420/document
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5
High resolution seismic imaging in shallow salt environment: preliminary results from the SEFASILS campaign, NS11A-04
Autor: Dessa, Jean-Xavier, Sambolian, Serge, Bachir Miguil, Mohamed, Schenini, Laure, Operto, Stéphane, Ribodetti, Alessandra, Beslier, Marie-Odile, Larroque, Christophe
Publikováno v: AGU Fall Meeting
AGU Fall Meeting, Dec 2019, San Francisco, United States
International audience; In the last decade, seismic imaging below salt/basaltic bodies proved beyond doubt to be the most challenging task using conventional strategies in terms of surveying, processing and inversion. Recent innovations across the wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::493368ea2caa12fb9671963c9a3987f6
https://hal.archives-ouvertes.fr/hal-02381967
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6
Building Initial Model for FWI From Ultra Long-Offset OBN Data by First-Arrival Traveltime + Slope Tomography
Autor: Sambolian, Serge, Górszczyk, A., Operto, Stéphane, Ribodetti, Alessandra, Tavakoli F., B., Virieux, Jean
Publikováno v: 81st EAGE Conference and Exhibition 2019
81st EAGE Conference and Exhibition 2019, Jun 2019, London, United Kingdom. ⟨10.3997/2214-4609.201901562⟩
Summary Ultra-long offset stationary-receiver acquisitions implemented with multi-component Ocean Bottom Nodes (OBN) are emerging as a suitable technology for deep offshore subsalt imaging by full waveform inversion (FWI). Ultra-long offsets allow to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c23e0db94a4167db42a75f8e3374832e
https://hal.archives-ouvertes.fr/hal-02456998
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