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Profil de Gaël LE ROUX

Gael's picture

Email :

Téléphone / phone: +33 (0)

Bureau / office : 1802 bât. C.

Institution : CNRS

Statut / status: Chercheur

Adresse professionnelle / address:

EcoLab / Campus Ensat
Avenue de l’Agrobiopole
BP 32607
Auzeville tolosane
31326 Castanet-Tolosan

Site perso / personal website :
Gaël Le Roux


  • CNRS researcher in BioGeochemistry


  • Master in Environmental Geosciences, University of Aix-Marseille, 2001
  • Magistère des Sciences de la Terre, University of Lyon - ENS Lyon, 2001
  • PhD in Environmental Geochemistry, University of Heidelberg (2005)
  • Habilitation à diriger les recherches, INP-Toulouse (2013)


  • Umwelt-Preis der Viktor und Sigrid Dulger-Stiftung (2006)

Employment history:

  • CNRS researcher (Toulouse)
  • post-doc position, University of Liège (2008-2009)
  • post-doc position, Institute of Radioprotection and Nuclear Safety (IRSN-Cadarache) (2005-2008)

research topics:

Isotope and Trace Element Biogeochemistry of the Critical Zone, especially in high altitude and high latitude areas

Atmosphere-soil-organisms transfers – isotope fingerprinting

Wetland biogeochemistry

Holocene paleo-environment


  • Team leader of BiZ team ("BiZ: Biogéochimie Intégrative de la Zone critique")
  • CNRS responsible for Needs-Environment committee
  • scientific manager of the clean room (EcoLab)
  • Co-animation of the Transverse Action on the Pyrenees at the Observatoire Midi-Pyrénées

Main/Recent publications

Recent publications

Hansson, S. V., Sonke, J., Galop, D., Bareille, G., Jean, S., &Le Roux, G.(2017). Transfer of marine mercury to mountain lakes. Scientific Reports, 7(1), 12719.

Hansson, S. V., Claustres, A., Probst, A., De Vleeschouwer, F., Baron, S., Galop, D., ... &Le Roux, G.(2017). Atmospheric and terrigenous metal accumulation over 3000 years in a French mountain catchment: Local vs distal influences. Anthropocene, 19, 45-54.

Enrico, M.,Le Roux, G., Heimbürger, L. E., Van Beek, P., Souhaut, M., Chmeleff, J., & Sonke, J. E. (2017). Holocene Atmospheric Mercury Levels Reconstructed from Peat Bog Mercury Stable Isotopes. Environmental Science & Technology, 51(11), 5899-5906.

Li, C.,Le Roux, G., Sonke, J., van Beek, P., Souhaut, M., Van der Putten, N., & De Vleeschouwer, F. (2017). Recent 210 Pb, 137 Cs and 241 Am accumulation in an ombrotrophic peatland from Amsterdam Island (Southern Indian Ocean). Journal of Environmental Radioactivity, 175, 164-169.

Vanneste, H., De Vleeschouwer, F., Bertrand, S., Martínez‐Cortizas, A., Vanderstraeten, A., Mattielli, N., Coronato A., Piotrowska N., Jeandel C. &Le Roux G. (2016). Elevated dust deposition in Tierra del Fuego (Chile) resulting from Neoglacial Darwin Cordillera glacier fluctuations. Journal of Quaternary Science, 31(7), 713-722.

Cuvier, A., Pourcelot, L., Probst, A., Prunier, J., &Le Roux, G.(2016). Trace elements and Pb isotopes in soils and sediments impacted by uranium mining. Science of The Total Environment, 566, 238-249.

 Maxime Enrico,Gaël Le Roux, Nicolas Marusczak, Lars-Eric Heimbürger, Adrien Claustres, Xuewu Fu, Ruoyu Sun, and Jeroen E. Sonke (2016), Atmospheric mercury transfer to peat bogs dominated by gaseous elemental mercury dry deposition. Environmental science & technology, 50(5), 2405-2412

  Bao, K., Shen, J., Wang, G., &Le Roux, G.(2015). Atmospheric Deposition History of Trace Metals and Metalloids for the Last 200 Years Recorded by Three Peat Cores in Great Hinggan Mountain, Northeast China. Atmosphere, 6(3), 380-409.

  H. Vanneste, F. De Vleeschouwer, A.M. Martínez-Cortizas, Clemens von Scheffer, N. Piotrowska, A. Coronato,G. Le Roux, Late-glacial elevated dust deposition linked to westerly wind shifts in southern South America,Scientific reports,5, 2015,

  Cuvier, A., Panza, F., Pourcelot, L., Foissard, B., Cagnat, X., Prunier, J., ... &Le Roux, G. (2015). Uranium decay daughters from isolated mines: Accumulation and sources.Journal of environmental radioactivity,149, 110-120.

   De Vleeschouwer, F., Hursthouse, A.,Le Roux, G., & Weiss, D. (2014). Selected papers from the 29th SEGH Conference on Environmental Geochemistry and Health. Environmental geochemistry and health, 36(5), 829-829.

   F. De Vleeschouwer, H. Vanneste, D. Mauquoy, N. Piotrowska,F.  Torrejón, T. Roland, A. Stein,G. Le Roux, (2014). Emissions from Pre-Hispanic Metallurgy in the South American Atmosphere. PloS one, 9(10), e111315.

ANR TRAM project: trace metal legacy in mountain environments (P.I.)

Belmont project P 3 : People, pollution and pathogens – mountain ecosystems in a human-altered world (french partner)

Past projects:

ANR PARAD: PeAt bogRecords ofAtmosphericDust flux. Co PI

OHM Vicdessos - ASTAHEM project: PI

Uranium-Thorium decay series elements and trace metals around former uranium mines

ERC Mercury Isotopes: Co PI for the topic Holocene variability

PEAT3: Past Environmental Archives Toulouse- Timing of the Anthropocene: PI

  • Lead biogeochemistry
  • Peat as an environmental archive
  • Environmental radioactivity and geochemistry
  • Master EBEN - géochimie isotopie appliquée à l'environnement
  • ENSAT 2ième année - géochimie isotopique appliquée à l'environnement


PEAT: Past Environmental Archives Toulouse

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