Swen Jullien

Lab. of physical oceanography and remote sensing
IFREMER, ODE-LOPS-SIAM
ZI Pointe du diable, CS 10070
29280 Plouzane - France
Tel : +33 2 98 22 41 29
swen.jullien@ifremer.fr

Research interests

Ocean and atmosphere dynamics at the air-sea interface

  • Coupled interactions at mesoscale
  • Air-sea interactions in tropical cyclones
  • Storm surge

Regional coupled modeling: CROCO / WRF / WW3 / ROMS / NEMO

Ongoing projects

  • CTroVagueS (Interactions Tropical Cyclones-Waves-Submersion)
    • Characterize wind-wave-current interactions in tropical cyclones
    • Evaluate wave setup, runup and surge due to cyclones
  • MAEVA (Modification of waves amplification and erosion)
    • Processes and measures of extreme wave generation in tropical storms
    • Coastal impacts
  • SILLAGE (Processes in the tropical cyclones' wake)
    • Patterns and signature of cyclonic winds and waves in SST, SSS and SSH satellite measurements
    • Restratification processes in the cyclone wake
    • Climate impacts
  • PULSATION (Peta scale mULti-gridS ocean-ATmosphere coupled simulatIONs) :
    • Impact of small-scales phenomena on systematic bias in climate models
    • Quantifying small-scale processes that determine large-scale climate
    • Multi-scale coupled ocean-atmosphere simulations on petascale computer
  • CROCO (Coastal and Regional Ocean COmmunity model) :
    • Research on numerical developments and methods for small-scale ocean modeling in coastal restions and related multidisplinary questions
    • Sharing research and developments in a common modeling tool built to assess realistic and complex systems

=> https://www.croco-ocean.org/

Resarch profile, IDs, and free-access publications

https://www.researchgate.net/profile/Swen_Jullien

http://www.researcherid.com/rid/L-5610-2015

http://orcid.org/0000-0002-5389-0532

Articles

2017

Samson G., S. Masson, F. Durand, P. Terray, S. Berthet, S. Jullien, Roles of land surface albedo and horizontal resolution on the Indian summer monsoon biases in a coupled ocean–atmosphere tropical-channel model, Climate Dynamics, , 48(5-6), 1571-1594, DOI:10.1007/s00382-016-3161-0

2016

Menkes C.E., M. Lengaigne, M. Lévy, C. Ethé, L. Bopp, O. Aumont, E. Vincent, J. Vialard, S. Jullien, Global impact of tropical cyclones on primary production: Cyclone effects on primary production, Global Biogeochemical Cycles, 30(5), 767-786, DOI:10.1002/2015GB005214
Oerder V., F. Colas, V. Echevin, S. Masson, C. Hourdin, S. Jullien, G. Madec, F. Lemarié, Mesoscale SST–wind stress coupling in the Peru–Chile current system: Which mechanisms drive its seasonal variability?, Climate Dynamics, 47(7-8), 2309-2330, DOI:10.1007/s00382-015-2965-7

2014

Jullien S., P. Marchesiello, C. E. Menkes, J. Lefèvre, N. C. Jourdain, M. Lengaigne, G. Samson, Ocean feedback to tropical cyclones: climatology and processes, Climate Dynamics, vol. 43, 9-10, pp. 2831-2854, DOI:10.1007/s00382-014-2096-6

Samson G., S. Masson, M.G. Keerthi, M. Lengaigne, J. Vialard, S. Pous, G. Madec, S. Jullien, N. Jourdain, C. E. Menkes, P. Marchesiello, The NOW regional coupled model : application to the tropical Indian Ocean climate and tropical cyclones activity, Journal of Advances in Modeling Earth System, vol. 6, 3, pp. 700-722

2013

Jourdain N.C., M. Lengaigne, J. Vialard, G. Madec, C.E. Menkes, E.M. Vincent, S. Jullien, B. Barnier, Observation based estimates of surface cooling inhibition by heavy rainfall under tropical cyclones, Journal of Physical Oceanography, vol. 43, 1, pp. 205-221

2012

Jullien S., C. E. Menkes, P. Marchesiello, N. C. Jourdain, M. Lengaigne, A. Koch-Larrouy, J. Lefèvre, E. M. Vincent, V. Faure, Impact of tropical cyclones on the heat budget of the South Pacific ocean, Journal of Physical Oceanography, vol.42, 11, pp. 1882-1906

Vincent E. M., M. Lengaigne, G. Madec, J. Vialard, G. Samson, C. E. Menkes, S. Jullien, N. Jourdain, Processes setting the characteristics of sea surface cooling induced by tropical cyclones, Journal of Geophysical Research, vol. 117

PhD Thesis

2010-2013 : PhD at LEGOS, University of Toulouse, France, Advisors: P. Marchesiello and C. Menkes (LOCEAN, IRD Nouméa) : Ocean feedback and response to tropical cyclones in the South Pacific: processes and climatology

Conferences

2016

Debreu L., F. Dumas, P.Marchesiello, F. Auclair, S. Jullien, Multiresolution in CROCO (Coastal and Regional Ocean Community model), EGU 2016

Masson S., S. Berthet, G. Samson, J. Crétat, F. Colas, V. Echevin, S. Jullien, C. Hourdin Sensitivity of ocean-atmosphere multiscale coupled model to oceanic parameterizations, Ocean Sciences, 2016

Oerder V., F. Colas, V. Echevin, S. Masson, F. Lemarié, S. Jullien, G. Madec, SST/Wind stress mesoscale coupling in the Peru-Chile region : what drives its temporal variations ?, Ocean Sciences, 2016

2015

Jullien S.,  F. Colas, S. Masson, V. Oerder, V. Echevin, G. Samson, J. Crétat, S. Berthet, C. Hourdin, Air-sea Energy Transfer at Mesoscale in a Coupled High-resolution Model: Impact of Resolution and Current Feedback, AGU Conference, San Francisco, December 2015

Masson S., S. Berthet, G. Samson, J. Crétat, F. Colas, V. Echevin, S. Jullien, C. Hourdin, Upscalling processes in an ocean-atmosphere multiscale coupled model, AGU Conference, San Francisco, December 2015

Samson G., S. Masson, F. Durand, P. Terray, S. Berthet, S. Jullien, Modeling efforts to improve the Asian Summer Monsoon representation in a coupled ocean-atmosphere tropical-channel model, AGU Conference, San Francisco, December 2015

2014

Jullien, P. Marchesiello, C.E. Menkes, J. Lefèvre, N. C. Jourdain, M. Lengaigne, G. Samson, Ocean feedback on tropical cyclone intensity in a multidecadal simulation model of the South Pacific, solicited talk, EGU meeting, Vienna, Austria, April, 2014

S. Jullien, P. Marchesiello, C.E. Menkes, J. Lefèvre, N. C. Jourdain, M. Lengaigne, G. Samson, Tropical cyclone-ocean interactions in a regional coupled model: climatology and processes, Ocean Sciences meeting, Honolulu, USA, February 23-28, 2014

P. Marchesiello, S. Jullien, Ocean coupling effect on tropical cyclone intensification: climatology and processes, Ocean Sciences meeting, Honolulu, USA, February 23-28, 2014

2013

S. Jullien, P. Marchesiello, C.E. Menkes, M. Lengaigne, G. Samson and J. Lefèvre, Tropical cyclones of the South Pacific Convergence Zone in a regional coupled model, 4th International Summit on Hurricanes and Climate Change, Kos, Greece, June 13-18, 2013

2012

S. Jullien, P. Marchesiello, C.E. Menkes, J. Lefèvre, N. Jourdain and M. Lengaigne, Tropical cyclones in a regional coupled ocean-atmoshere model of the SPCZ, AGU Conference, San Francisco, December 2012

2011

A. Koch-Larrouy , M. Lengaigne, E.M. Vincent, S. Jullien, G. Madec, C.E. Menkes, P. Marchesiello and C. de Boyer Montegut, Observed and model estimates of oceanic mixing under tropical cyclones and its climatic impact, 3rd International Summit on Hurricanes and Climate Change, Ixia, Rhodes, Greece, June 27-July 2, 2011

2010

S. Jullien, C. Menkes, P. Marchesiello, N. Jourdain, M. Lengaigne, J. Lefèvre, E.M. Vincent, V. Faure, A. Koch-Larrouy, Tropical cyclone impact on ocean heat budget in the SW Pacific ocean, AGU Conference, San Francisco, December 2010

A. Koch-Larrouy, M. Lengaigne, E. Vincent, C. de Boyer Montégut, G. Madec, S. Jullien, P. Marchesiello, Ch. Menkes: Influence du mélange induit par les cyclones sur l’Océan, Journées du GMMC, Météo-France, Novembre 2010

A. Koch-Larrouy, M. Lengaigne, E.M. Vincent, C. de Boyer de Montégut, S. Jullien, C.E. Menkes, P. Marchesiello, Vertical mixing induced by Tropical Cyclone using Argo data, Conférence « Prévisibilité du climat tropical », Météo-France, Toulouse, Juin 2010

Thomas Stieglitz, Pieter van Beek, Marc Souhaut, Sabine Cockenpot, Swen Jullien, Multi-tracer reconnaissance of Submarine Groundwater Discharge along the French Mediterranean coast, Conference on “Radon and Radium”, Jerusalem 14-19 March 2010

Field Measurements

2017: Field campaign to measure waves run up and coastline evolution at Hoian, Vietnam

2010: INDOMIX, R/V Marion Dufresne, Indonesia

Curriculum

2015 - present

Research Scientist at Ifremer, Plouzané, LOPS-SIAM (Lab. of Physical Oceanography and Remote Sensing, Satellite and Air-sea Interactions team)

2014 - 2015

Post-doctoral Fellowship at LOCEAN, IPSL, Univ. Pierre et Marie Curie, Paris VI

2010 - 2013

Ph.D. at LEGOS, Univ. Paul Sabatier, Toulouse

2010

M.D. "Ocean Atmosphere and Continent", Univ. Paul Sabatier, Toulouse

2008

Bachelor degree in Fundamental Physics, Univ. Paul Sabatier, Toulouse