05/12/2019

Post-doc / researcher in ocean remote sensing

This job offer has expired


  • ORGANISATION/COMPANY
    University of Toulon
  • RESEARCH FIELD
    Environmental scienceOther
  • RESEARCHER PROFILE
    Recognised Researcher (R2)
    First Stage Researcher (R1)
  • APPLICATION DEADLINE
    08/01/2020 00:00 - Europe/Brussels
  • LOCATION
    France › LA GARDE
  • TYPE OF CONTRACT
    Temporary
  • JOB STATUS
    Full-time
  • HOURS PER WEEK
    35
  • OFFER STARTING DATE
    16/12/2019

Since 2011, massive strandings of brown algae (Sargassum) have affected the coasts of the West Caribbean, Brazil and West Africa (figure 1). Their environmental and socio-economical impacts are now considered very significant, leading to growing concern in the scientific community and civil society. The FORESEA Project (supported by the French National Research Agency, 2020-2022) aims at monitoring, modeling and forecasting the Sargassum strandings in the ocean. Satellite Sargassum detection is central to understanding and predicting the phenomenon. Classical methods detect Sargassum with spectral indexes (AFAI, MCI, FLH) and the main objective of the position is to improve the Sargassum detection techniques from space. A special effort will be dedicated to identify rafts when located under a layer of water and to complementary make use of available satellite images (e.g., Sentinel-2 and 3, MODIS, VIIRS…) to monitor Sargassum at different scales (from 10 m to 300 m). From these multiscale observations, we expect to gain understanding on the observability of the Sargassum with high coverage - low resolution sensors such as MODIS, and on the dynamical properties of the Sargassum rafts (organization, aggregation, break-up, drift). To reduce the processing time, deep learning methods can be considered.

The schedule of the work will consist in (i) gathering the satellite ocean color data of interest for the project, (ii) correcting the satellite data for the atmospheric effects, (iii) applying the current bio-optical algorithms (and improving them if necessary) to identify and to determine the Sargassum abundance from satellite data.

Required Research Experiences

  • RESEARCH FIELD
    Environmental scienceOther
  • YEARS OF RESEARCH EXPERIENCE
    1 - 4

Offer Requirements

  • REQUIRED EDUCATION LEVEL
    Environmental science: PhD or equivalent
  • REQUIRED LANGUAGES
    ENGLISH: Good

Skills/Qualifications

PhD in image processing and/or remote sensing;

Skills for the redaction and synthesis (oral and writing).

Good communication skills (oral and writing).

 

Specific Requirements

Basic knowledge in radiative transfer modelling,

Deep learning methods,

Knowledge in IDL, Matlab, Python language, ENVI software and Linux operating system is appreciated.

Work location(s)
1 position(s) available at
University of Toulon
France
Var
LA GARDE
83130
CS 60584

EURAXESS offer ID: 470064

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