CV

IRD researcher

Phone +33-476 635 928 (office)
Phone +33-661-777-263 (personal)
Email stephane.guedron@ird.fr
Birth date : 01/16/1978, 1 child

Graduate

2011 Chargé de recherché IRD – Geochimie 4D team – ISTerre (UJF)
2008-2011 Post doctoral position – Limnology - geochemistry (UNIGE- Forel institute)
2004-2007 PhD – Environmental geochemistry - University Grenoble I (CNRS-CMB-UJF).
2002 Master - Soil Science – University Rennes (ENSAR-INRA).
2000 Bachelor – Earth and Universe Sciences- University Grenoble I (Université J.Fourier).

Skills

Analytical chemistry : CVAFS (THg), cryogenic – GC- CVAFS (MMHg – hydride generation and ethylation), AMA (Hg), ICP-AES, ICP-MS, ICP-AAS, LC-AFS (As), IRS (C).
Analytical physics : Laser Granulometry, X.R.D., B.E.M. and microprobe, optical microscopy, µXRF.
Specific sampling / filtration : Tangential Flow filtration, dialysis membranes (peepers), core slicing…
Computing : Windows et Mac OS networks
Langages : English, German and spanish (scholar).

Scientific Projects

2013-2017
• PPR RIVIA (Risques, Vulnérabilités et Impacts dans les Andes) – IRD - Bolivie Interactions Contaminants Métalliques-Ecosystèmes, interfaces avec la Santé et la Société (ICMESS)
2011-2013
• Mezquital valley project - Mexican PAPIIT program – (ISTerre/IRD - UNAM university – LTHE/IRD) Mercury and arsenic transfer and fate in soils irrigated by the waste waters of Mexico city.
2009-2011
• Asia-Link Programme (Phase III) - European Commission – CALIBRE (Cambodia And Laos Initiative for Building human Resources for the Environment) - Courses and field training for geochemical analysis of waters – Research : As and Hg contamination of ground and surface waters in Lao PDR.
• Sino-Swiss Joint Research Projects : The Distribution, Methylation, and Bioaccumulation of Mercury in Sediments of Baihua Reservoir in Guiyang, China.
2008-2010
• Nation Swiss funds research projects (FNRS) : Mobility and bioavailability of metals in continental waters ; an integrated approach – Part 4 : narrowing the laboratory vs. field gap.
• Bay of Vidy (Lake Geneva, Switzerland) : geochemistry of Hg and MMHg in the water column, sediment porewaters and Hg bioaccumulation in Chironomus Riparius.
• Venice lagoon (Italy) : Bioaccumulation of mercury in benthic invertebrates of the Venice Lagoon.
• Czorsztyn reservoir (Poland) – Chromium speciation in the waters, colloids and sediments porewaters.
2007
• PhD CIFRE CMB-CNRS (10/2004-10/2007) – direction : A. Pavé, L. Charlet, M. Grimaldi et D. Cossa ; « Impact of former goldmining on mercury fluxes towards aquatic ecosystems in French Guiana » Collaboration : Boulanger Goldmining Compagny, French Guiana CNRS, LGIT (CNRS-UJF), IRD Bondy.
2004
• Research Contract LGCA (A.I.), ICP-MS and clean room manager for REE measurements in geologic samples. Research Contract LGIT-CNRS (I.E.), Soil, sediments and fish sampling campaign in French Guyana (Oyapock and Maroni rivers), as a part of the CNRS program « Mercury in French Guyana, Phase II ». 2003
• Research contract LGIT (I.E.) (02-07/2003), direction : Pr. L. Charlet. As reduction kinetics by Shewanella Putrefaciens in presence of hematite and As speciation in Patagonian sediments.
2002
• Master II, Atmospheric versus weathering contributions : determination of Hg origin in French Guyana soils.

Teaching

2008
TP-TD (48 h) Master MUSE : Environmental Modeling/systemic analysis (Master I and II, MUSE, Geneva)
2007
Course M. (12h) Natural environmental Chemistry : interface chemistry, reactive transferts (ENTPE, Lyon)
2005/2006
TP-TD (16h) Module TUE 429 : Paleo-environmental studies, peat bog studies (Master I, STU, Grenoble)
TP-TD (72h) Module TUE 421 : geochemistry, Pb and Hg contaminated study site (Master I, STU, Grenoble)