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Dr Augustin Marignier CV

Email: augustin.marignier@anu.edu.au
Address: Research School of Earth Sciences, Australian National University, Canberra, 2600, AUS

Publications

  • A. Marignier, C. M. Eakin, B. Hejrani, S. Agrawal, R. Hassan (2024). Sediment thickness across Australia from passive seismic methods. GJI
  • M. A. Price, M. Mars, M. M. Docherty, A. Spurio Mancini, A. Marignier, J. D. McEwen (2023). Fast emulation of anisotropies induced in the cosmic microwave background by cosmic strings. OJA
  • W. Sturgeon, A. M. G. Ferreira, L. Schardong, A. Marignier (2023). Crustal structure of the Western U.S. from Rayleigh and Love wave amplification data. JGR: Solid Earth
  • A. Marignier (2023). PxMCMC: A Python package for proximal Markov Chain Monte Carlo. JOSS
  • A. Marignier, T. D. Kitching, J. D. McEwen, A. M. G. Ferreira (2023). Sparse Bayesian mass-mapping using trans-dimensional MCMC. OJA
  • A. Marignier (2023). From Dark Matter to the Earth’s Deep Interior: There and Back Again. Doctoral Thesis (Ph.D), UCL
  • A. Marignier, J. D. McEwen, A. M. G. Ferreira, T. D. Kitching (2023). Posterior sampling for inverse imaging problems on the sphere in seismology and cosmology. RASTI
  • O. J. Cobb, C. G. R. Wallis, A. N. Mavor-Parker, A. Marignier, M. A. Price, M. d’Avezac, J. D. McEwen (2021). Efficient Generalized Spherical CNNs. ICLR
  • A. Marignier, A. M. G. Ferreira, T. D. Kitching (2020). The Probability of Mantle Plumes in Global Tomographic Models. G3
  • A. M. G. Ferreira, A. Marignier, J. Attanyake, M. Frietsch, A. Berbellini (2020). Crustal structure of the Azores Archipelago from Rayleigh wave ellipticity data. GJI

Professional History

Jan 23 - Dec 23   PDRA Seismology, Research School of Earth Sciences, ANU
Sep 22 - Dec 22  PDRA Seismology, Department of Earth Sciences, UCL
Jun 22       Scientist, Land seismometer deployment, Azores
Jun 21 - Aug 21   Scientist, UPFLOW Ocean-bottom Seismometer deployment, Atlantic Ocean
Oct 19 - May 20   Machine Learning Intern, KageNova Ltd.
Oct 18 - Sep 22   PhD Student, Centre for Doctoral Training in Data Intensive Science, UCL

Talks

  • Proximal Markov chain Monte Carlo: Towards building a sparse Earth model
    SSA Virtual Tomography Sessions. 02/02/21
  • Proximal Markov Chain Monte Carlo: Towards Building a Sparse Earth Model
    AGU Fall Meeting 2021 - Winner of the AGU Seismology Section Outstanding Student Presentation Award. 13/12/21
  • Cosmological mass-mapping with trans-dimensional trees
    3rd IMA Conference on Inverse Problems from Theory to Application. 04/05/22
  • Probabilistic inverse imaging methods in seismology and cosmology
    ANU RSES Seminar. 20/07/23
  • Characterising the cover of the Australian continent with passive seismic methods
    Geoscience Australia - Exploring for the Future Seminar. 24/10/23
  • Sedimentary Thickness Across Australia from Passive Seismic Methods
    AGU Fall Meeting 2023. 20/12/23

Teaching

2021 - 2022   Machine Learning with Big Data, UCL
2019 - 2021   Seismology II, UCL
2019 - 2021   Field Geophysics, UCL
2017 - 2021   MATLAB, UCL

Journal Peer Reviews

  • Geophysical Journal International
  • Journal of Geophysical Research - Solid Earth
  • Physics of the Earth and Planetary Interiors

Education

2022   PhD Data Intensive Science, University College London
     From Dark Matter to the Earth’s Deep Interior: There and Back Again
     Supervised by Prof Ana Ferreira and Prof Thomas Kitching
     Submitted 30/9/22, Defended 6/12/22, Awarded 28/1/23

2018   MSci Geophysics, University College London
     First Class Honours
     Rayleigh wave ellipticity inversion for crustal velocity structure
     Supervised by Prof Ana Ferreira