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    Personal information
    Contact information
    Candidate Profile
     Date Submitted:09-06-2021
     Last Modified:09-06-2021 (09:15)
    Job information
     Current job:Research Associate
     Employment Term:Temp/Contract
     Job location:Europe only
     Date available:immediately
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, , , Launch Systems, Consulting/Engineering Services
     KeywordsData Analysis, Satellite Remote Sensing, Radiative Transfer Modelling, High Performance Computing, Matlab, Python, SNAP, Unix shell script



    August  2017 - May 2021

    Research Associate

    Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany

    application and validation of ocean colour remote sensing algorithms

    parameterization of a radiative transfer model and performance of simulations with retrieved RS data (ocean colour & LIDAR)

    parameterization of a coupled ocean-ice-ecosystem model and performance of simulations through high performance computing - statistical data analysis

    Business or sector Public research institute


    October 2015 - May 2017

    Graduate Assistant

    National & Kapodistrian University of Athens, Athens, Greece

    Ocean Physics and Modelling Group

    parameterization and simulation of an ocean general circulation model

    processing of ocean colour remote sensing level 3 & 4 data

    supervision of undergraduate students

    Business or sector Public university


    September 2014 - December 2016


    Tutor to undergraduate and graduate students

    Self-employed (part time)

    tutoring university students in Fluid Dynamics, Meteorology and Physical Oceanography for the semester exams

    Business or sector Self-employed




    May 2018 - May 2021

    PhD in Physics

    EQF 8

    Faculty of Physics / Electrical Engineering, University of Bremen, Bremen, Germany

    Radiative transfer theory, Ocean Optics, numerical modelling, ocean colour remote sensing, Ocean and Atmosphere Dynamics, statistical data analysis


    September 2014 - October 2016

    MSc in Physical Oceanography

    EQF 7

    Faculty of Science, National & Kapodistrian University of Athens, Athens, Greece

    GIS and Remote Sensing, Physical Oceanography, physical data modelling, data analysis


    January 2005 - September 2014

    BSc in Physics

    EQF 6

    Department of Physics, National & Kapodistrian University of Athens, Athens, Greece

    Mechanics, Wave Physics, Optics, Quantum Mechanics, Statistics, Calculus, Linear Algebra, Fluid Dynamics, Electronics, Statistical Physics




    Mother tongue(s)




    Other language(s)






    Spoken interaction

    Spoken production









    Certificate of Proficiency in English, University of Michigan  |  TOEFL iBT (109/120)








    DELF 1 - Diplôme d'études en langue française








    Communication skills

    good communication skills gained through discussing scientific results in internal meetings of a multidisciplinary project

    ▪ public speaking through presenting results in international conferences

    ▪ work ethic, empathy

    ▪ teamwork through acting and working in a group of scientists and technicians


    Organisational / managerial skills

    leadership skills (by supervising university students)

    time management by having to meet strict deadlines in submitting reports and publications, as well as by having to stay on the time schedule of the PhD project

    project management acquired through completing and planning an entire PhD project

    conflict resolution by collaborating with colleagues from various levels and backgrounds (e.g. from Professors to students and technicians.)


    Job-related skills

    satellite remote sensing techniques & algorithms

    processing and statistical analysis of big datasets (~TB)

    writing and reviewing technical reports and scientific publications


    Computer skills

    The following computer skills were acquired during my current job and my Master/PhD studies:

    ▪ programming in: Matlab, Python, Fortran, SQL

    ▪ UNIX/LINUX, Shell scripting, High Performance Computing (HPC)

    good command of: ESA SNAP, Microsoft Office™ tools


    Other skills

    Statistics, Machine learning, LaTeX, ArcGIS


    Driving licence






    Peer-reviewed publications















    Selected presentations




















    Seminars / workshops











    Honours and awards





















    Interests / activities

    ▪ Pefanis, V., Losa, S. N., Losch, M.,                Janout, M. A. and Bracher, A. (2020). Amplified Arctic surface warming and sea-ice loss due to phytoplankton and colored dissolved material. Geophysical Research Letters,  2020GL088795. doi:

    ▪ Nakoudi, K., Ritter, C.,  Böckmann, C., Kunkel, D., Eppers, O., Rosanov, V., Mei, L., Pefanis, V., Jäkel, E., Herber, A., Maturilli, M. and Neuber, R. (2020). Does the Intra-Arctic Modification of Long-range Transported Aerosol Affect the Local Radiative Budget?. Remote Sensing, 12(13), 2112. doi:

    ▪ Nakoudi, K., Böckmann, C., Ritter, C., Pefanis, V., Maturilli, M., Bracher, A. and Neuber, R. (2020). Aerosol Investigation During the Arctic Haze Season of 2018: Optical and Microphysical Properties. EPJ Web of Conferences, 237, 02002. doi:

    ▪ Soppa, M. A., Pefanis, V., Hellmann, S., Losa, S. N.,  Hölemann, J., Martynov, F., Heim, B., Janout, M. A., Dinter, T., Rozanov, V. and Bracher, A. (2019). Assessing the influence of water constituents on the radiative heating of Laptev Sea shelf waters. Frontiers in Marine Science, 6 (221), 1-13. doi:


    ▪ Pefanis, V., Losa, S. N., Losch, M., Janout, M. A. and Bracher, A. (2020). Light Induced Physical-biogeochemical Implications in the Arctic Ocean: a Coupled Sea-ice – Ocean – Ecological Modeling Study, Ocean Sciences Meeting 2020, San Diego, CA, USA, 16 - 21 February 2020.

    ▪ Pefanis, V., Losa, S. N., Soppa, M. A., Losch, M., Dutkiewicz, S., Janout, M., Rozanov, V. V. and Bracher, A. (2019). Assessing bio-physical feedbacks in the Arctic Ocean under Arctic amplification, EGU General Assembly 2019, Vienna, Austria, 7 - 12 April 2019.

    ▪ Losa, S. N., Soppa, M. A., Pefanis, V., Losch, M., Heim, B., Oelker, J., Dutkiewicz, S., Dinter, T., Rozanov, V. V. and Bracher, A. (2018). Modeling the Arctic coloured dissolved organic matter (CDOM) and phytoplankton diversity in/with support to/from satellite retrievals, FAMOS Annual Meeting, Bergen, Norway, 23 - 26 October 2018.

    ▪ Pefanis, V., Altenburg Soppa, M., Hellmann, S., Hoelemann, J., Janout, M., Martynov, F., Heim, B., Rozanov, V., Loza, S., Dinter, T. and Bracher, A. (2018). First steps towards assessing the radiation budget in the shelf areas of the Laptev Sea by remote sensing and radiative transfer modelling, 15th International Circumpolar Remote Sensing Symposium, Potsdam, Germany, 10 - 14 September 2018.



    DFG Transregional Collaborative Research Centre TR 172 - Arctic Amplification - (AC)3


    ▪ (AC)3 PhD Workshop, professional orientation for PhD students, 16 - 17 May 2019, Leipzig, Germany

    ▪ (AC)3 PhD Workshop in statistical methods for the analysis of climate data, 15 - 16 November 2018, AWI, Bremerhaven, Germany

    ▪ Two-week course in ocean / atmosphere time series analysis: theory and practice, 14 - 26 October 2018, AWI, Bremerhaven, Germany

    ▪ International Ocean-Colour Coordinating Group (IOCCG) Summer Lecture Series 2018, 25 June – 7 July 2018, Villefranche-sur-Mer, France

    ▪ (AC)3 PhD Workshop in machine learning, 9 March 2018, University of Leipzig, Leipzig, Germany


    ▪ "Kongressreisen 2020" Scholarship from the German Academic Exchange Service (DAAD) (2200€) to attend the AGU Ocean Sciences Meeting 2020 in San Diego, CA, USA.

    ▪ International Ocean-Colour Coordinating Group (IOCCG) 2018 Scholarship to attend the IOCCG Summer Lecture Series 2018 in France.

    ▪ 2018 Travel grant from the German Society of Polar Research to attend the 15th ICRSS in Potsdam, Germany.


    ▪ German Society of Polar Research (DGP)

    ▪ American Geophysical Union (AGU)

    ▪ European Geophysical Union (EGU)


    ▪ Prof. Dr. Torsten Kanzow,

    ▪ Dr. Markus Janout,

    ▪ Dr. Svetlana Losa,


    AWI PhD representative 2019-2020

    Teaching assistant in  NF-POGO Centre of Excellence in Observational Oceanography 2018: Remote Sensing module, 10 - 13 April 2018, AWI, Helgoland, Germany


    ▪ Acting, travelling, swimming

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