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Coline Mollaret

coline.mollaret@unifr.ch

Assistant-e diplômé-e / Assistant-e source tierce

Skills

  • Mountain permafrost
  • Applied Geophysics: geoelectric and seismic
  • Geophysical field monitoring
  • Joint inversion

Address

PER 14 bu. 2.231
Ch. du Musée 4
1700 Fribourg

Office

PER 14, 2.231

  • Biography

    ACADEMIC QUALIFICATION

     

    2015-present: PhD student and teaching assistant in Physical Geography, Department of Geosciences, University of Fribourg, Switzerland (Alpine Cryosphere & Geomorphology Group)

    04-05/2017: AG830 Permafrost and periglacial environments course, UNIS, Svalbard, Norway

    08/2013: Arctic Earth Observation Summer School on sea ice remote sensing techniques, Andøya Rocket Range, Andøya, Norway

    02-03/2013: AG325 Glaciology course, UNIS, Svalbard, Norway

    2010-2011: Erasmus study at the University of Oslo, Norway

    2009-2013: Geophysics Engineering School EOST (Ecole et Observatoire des Sciences de la Terre), MSc and Engineer graduations, University of Strasbourg, France

    2007-2009: Preparatory program for competitive entrance to French Engineering School (Math, Physics and Engineering studies), Annecy, France

     

    PROFESSIONAL EXPERIENCE

     

    2013-2015: Survey Wireline Engineer at Flodim, Manosque, France

    2012-2013: Internship at CLS (Collecte Localisation Satellites) in spatial oceanography, Toulouse, France

    2012: Internship at NVE (Norwegian Water resources and Energy Directorate) in micro-seismology and glacio-hydrology, Oslo, Norway

    07/2010: Internship at Observatoire Midi Pyrénées (OMP), GPS measurement campaign and processing, Toulouse, France

  • Publications

    Publications

    PUBLICATIONS IN INTERNATIONAL JOURNALS AND PROCEEDINGS

    Wagner, F. M., Mollaret, C., Günther, T., Kemna, A., Hauck, C. (2019): Quantitative imaging of water, ice, and air in permafrost systems through petrophysical joint inversion of seismic refraction and electrical resistivity data. Geophysical Journal International, https://doi.org/10.1093/gji/ggz402.

    Mollaret, C., Hilbich, C., Pellet, C., Flores-Orozco, A., Delaloye, R., and Hauck, C. (2019): Mountain permafrost degradation documented through a network of permanent electrical resistivity tomography sites, The Cryosphere, 13, 2557–2578, https://doi.org/10.5194/tc-13-2557-2019, 2019.

    Hauck, C., Hilbich, C. and Mollaret, C. (2017): A time-lapse geophysical model for detecting changes in ground ice content based on electrical and seismic mixing rules. In 23rd European Meeting of Environmental and Engineering Geophysics, Malmö, 3.-7.9. 2017. doi: 10.3997/2214-4609.201702024.

    Mollaret, C., Hilbich, C. and Hauck, C. (2017): Analysis procedures of an ERT monitoring network to assess mountain permafrost degradation rate. In 23rd European Meeting of Environmental and Engineering Geophysics, Malmö, 3.-7.9. 2017. doi: 10.3997/2214-4609.201701997

     

    CONFERENCE ABSTRACTS

    Mollaret, C., Wagner F., Hilbich C., and Hauck, C. (2019): Alpine permafrost field applicaions of a petrophysical joint inversion of refraction seismic and electrical resistivity data to image the subsurface ice conctent. EGU, Vienna, Austria.

    Hauck, C. Mollaret, C. and Hilbich C. (2019): Comparison of long-term refraction seismic and ERT monitoring to detect and quantify ground ice loss at Alpine permafrost sites. EGU, Vienna, Austria.

    Mollaret, C., Wagner F., Hilbich C., and Hauck C. (2018): Petrophysical joint inversion of electrical and refraction seismic datasets in alpine permafrost to image ice, water and air contents, SGM 2018, Bern, Switzerland. (Talk)

    Mollaret, C., Pellet, C., Hilbich C., and Hauck C. (2018): Towards a joint database and statistical analysis of electrical resistivity and refraction seismic tomography datasets in mountain permafrost, SGM 2018, Bern, Switzerland. (Poster)

    Mollaret, C. (2018): Evaluation de la dégradation du permafrost alpin : suivi géophysique du changement climatique. 5ème Université des Alpes, Prix des jeunes chercheurs alpins, Annecy, France (Talk)

    Mollaret, C., Wagner F., Hilbich C., and Hauck C. (2018): Ice and liquid water saturations jointly inverted from electrical and refraction seismic datasets in mountain permafrost. EUCOP 2018, Chamonix, France. (Talk)

    Mollaret, C., Wagner F., Hilbich C., and Hauck C. (2017): Towards a joint inversion of electric and seimic data applied to permafrost monitoring. GELMON2017, Vienna, Austria. (Poster).

    Mollaret, C., Hilbich C., and Hauck C. (2017): Analysis procedures of an ERT monitoring network to assess mountain permafrost degradation. Near Surface Geoscience 2017, Malmö, Sweden. (Poster).

    Mollaret, C., Hilbich C., and Hauck C. (2017): ERT monitoring network, dataprocessing and inverting procedures. AK-permafrost 2017, Einsiedeln, Switzerland. (Poster).

    Mollaret, C., Hilbich C., Python S., and Hauck C. (2016): Long-term electrical resistivity tomography (ERT) monitoring of mountain permafrost in Switzerland - comparison of different sites and relevance for thermal modelling. ICOP2016, Potsdam, Germany. (Talk).

    Mollaret, C., Hilbich C., and Hauck C. (2015): Long-term permafrost evolution at the Schilthorn monitoring site, Swiss Alps, using electrical resistivity tomography (ERT) monitoring. GELMON2015, Vienna, Austria. (Poster).

     

    THESES & OTHER PUBLICATIONS

    Mollaret, C. (2013, unpubl.): Determination of the roughness of the oceanic surface and ship detection from airborne GNSS-R signals. MEng Thesis, Collecte Localisation satellites (CLS), Toulouse, France & EOST, University of Strasbourg, France.

    Mollaret, C. (2012, unpubl.): Investigation of microseismic activity and subglacial discharge from the glacier bed at Engabreen, Norway. MSc Thesis, Norwegian Water resources and Energy directorate (NVE), Oslo, Norway & EOST, University of Strasbourg, France.

  • Teaching and courses

    Applied geophysical methods UE-SGG.00441 SP-2020
    Faculty of Science and Medicine

    Room

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