[Doctorandos] PhD position at CNRS-Géoazur (France) in the framework of the MSCA Doctoral Network SEASOUNDS

Mar Feb 6 11:05:36 -03 2024

  INNOVATIVE MARINE SOUNDSCAPE CHARACTERIZATION TO EFFECTIVELY MITIGATE
OCEAN AND SEA NOISE POLLUTION

Dear colleagues,  
  We are still looking for a doctoral fellow to fill a position at
  CNRS-Géoazur (Sophia Antipolis, France).

The position, described below, is one among the MSCA Doctoral Network
'SEASOUNDS' (Innovative marine
  soundscape characterization to effectively mitigate ocean and sea noise
pollution,
   https://cordis.europa.eu/project/id/101119769).

The position  will start in October 2024 for three years:

  https://euraxess.ec.europa.eu/jobs/172263

  The position will remain open until a suitable candidate is recruited.
  All applications will be considered, but ideally we are looking for
  candidates with a background in quantitative sciences (applied
  mathematics, underwater acoustics, seismics/seismology, acoustics,
  physics) with some experience in numerical modeling, waveform inversion
  and tomography.

  Best regards,

  Anthony Sladen & Diego Mercerat

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Aditional Info:

   The undersea telecom cables for imaging the mechanical properties of the
   seabed

   The proposed thesis is one of the 10 research axes within the doctoral
   network MSCA SEASOUNDS (Innovative Characterization of Marine
   Soundscapes to Effectively Mitigate Ocean and Sea Noise Pollution, grant
   agreement number 101119769), coordinated by CNRS (France). This project
   aims to better characterize and predict marine soundscapes to provide
   recommendations for appropriate and proportionate underwater noise
   mitigation solutions, enhancing expertise, decision-making, and the
   establishment of standards for sustainable Blue Growth that limits the
   impact on marine fauna.

   SEASOUNDS addresses significant knowledge gaps related to understanding,
   characterizing, and modeling the entire noise transfer chain, from noise
   sources (e.g., offshore foundation installations, unexploded ordnance,
   maritime transport) to receivers (whether technological tools or
   animals). The methodological approach of SEASOUNDS integrates concepts,
   models, and tools from various disciplines, including underwater
   acoustics, seismology, mechanics, bioacoustics, and marine biology.
   SEASOUNDS will train 10 doctoral students with highly multidisciplinary,
   cross-sectoral, and transversal skills, enabling them to comprehend
   noise pollution issues holistically.

   The SEASOUNDS network brings together 15 partners from France, Spain,
   Italy, the Netherlands, Denmark, Norway, Monaco, and the United States
   (see https://cordis.europa.eu/project/id/101119769) and will operate for
   4 years starting from January 2024.

   This particular thesis will be conducted within the Géoazur research
   laboratory (CNRS, IRD, Université Côte d'Azur, Observatoire de la Côte
   d'Azur). The doctoral candidate will be affiliated with the SEISMES team
   and will be part of a large research group focused on the development of
   DAS technology, including doctoral students, postdoctoral researchers,
   engineers, and scientists.

   In terms of research, Géoazur is at the forefront in the fields of
   geophysics, geology, and astrophysics. The laboratory is renowned for
   its scientific excellence, innovative research projects, and close
   collaboration with renowned international institutions. Géoazur is
   located in a region that offers a pleasant climate, rich cultural
   diversity, and a variety of landscapes, from Mediterranean beaches to
   Alpine mountains. This unique combination of academic excellence,
   collaborative work environment, and exceptional quality of life makes
   Géoazur a preferred destination for researchers and students from around
   the world.

   The ability to model the propagation of acoustic signals and noise in
   marine environments depends significantly on our knowledge of the
   physical and mechanical properties of the seafloor, particularly in the
   ultra-low-frequency range (0-150 Hz) where waves interact with both the
   water and the seafloor.

   Inference of these properties typically requires expensive seismic
   campaigns. However, state-of-the-art Distributed Acoustic Sensing (DAS)
   technology could serve as a powerful alternative because it can convert
   any underwater optical cable into long and dense networks of
   seismic-acoustic sensors suitable for multi-scale imaging of seismic
   velocity heterogeneities near the seafloor (e.g., [1][2]). Optical
   cables also tend to remain in place, allowing for temporal monitoring of
   environmental variations.

   The objective of the thesis will be to leverage data acquired in recent
   years in the Mediterranean to test and compare various seismic imaging
   approaches based on ambient noise or active sources.

   [1] Sladen, A., Rivet, D., Ampuero, J. P., De Barros, L., Hello, Y.,
   Calbris, G., & Lamare, P. (2019). Distributed sensing of earthquakes and
   ocean-solid Earth interactions on seafloor telecom cables. Nature
   communications, 10(1), 5777.
   [2] Cheng, F., Chi, B., Lindsey, N. J., Dawe, T. C., & Ajo-Franklin, J.
   B. (2021). Utilizing distributed acoustic sensing and ocean bottom fiber
   optic cables for submarine structural characterization. Scientific
   reports, 11(1), 5613.
  --------------------------------------------------------------   Geof.
Mercedes Gil    
Secretaria de Posgrado       

   Facultad de Ciencias Astronómicas y Geofísicas
Universidad Nacional de La Plata     TELéFONO: (0221) - 423 - 6593 int.
1050
http://www.fcaglp.unlp.edu.ar/posgrados[1]
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Links:
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[1] http://www.fcaglp.unlp.edu.ar/area-docente/posgrado/posgrado
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