This document provides a summary of Gauthier Carnat's professional background and qualifications. It outlines his postdoctoral research focusing on sea ice biogeochemistry and the sulfur and carbon cycles. It also details his educational background including a Ph.D. from the University of Manitoba on the physical and biological controls of dimethylsulfide in Arctic and Antarctic sea ice. The document lists awards, field research experience, and publications, establishing Gauthier Carnat as an expert in sea ice biogeochemistry.

1. GAUTHIER CARNAT POST-DOCTORAL
FELLOW
Address
300 Chaussée de Saint-Job
B-1180 Brussels, Belgium
Phone number
+32476241489
Email
gauthier.carnat@gmail.com
Date of birth
31 October 1985
Research interests
Sea ice biogeochemistry
Sulfur cycle
Carbon cycle
WORK HISTORY
2015-(Current): Post-doctoral Fellow, Chargé de recherche FNRS
“A new method to reconstruct past sea ice extent in the Southern Ocean using sulfur isotopes”
Laboratoire de Glaciologie, Université Libre de Bruxelles, Brussels, Belgium
2014-2015 : Post-doctoral Fellow, Belgian Science Policy external funding
Bellissima (BELgian Ice Sheet-Shelf Ice Measurements in Antarctica)
Laboratoire de Glaciologie, Université Libre de Bruxelles, Brussels, Belgium
EDUCATION DEGREES
2008-2014 : Ph.D in science
“Towards an understanding of the physical and biological controls on the cycling of
dimethylsulfide (DMS) in Arctic and Antarctic sea ice”
Thesis advisor: Dr. T. Papakyriakou – Committee: Dr. M. Levasseur, Dr. S. Ackley, Dr. M. Tenuta, Dr. F. Wang
Centre for Earth Observation Science, University of Manitoba, Winnipeg, Canada
2005-2007 : MSc. in physical geography – Summa Cum Laude
“Physico-chemical controls on DMS, DMSP, and DMSO production in Antarctic sea ice”
Thesis advisor: Dr. J-L Tison – Committee: Dr. F. Pattyn, Dr. D. Samyn
Laboratoire de Glaciologie, Université Libre de Bruxelles, Brussels, Belgium
2003-2005 : BSc. in geography – Cum Laude
Laboratoire de Glaciologie, Université Libre de Bruxelles, Brussels, Belgium
AWARDS AND GRANTS
2016 : Research project “ISOGGAP” – 431.730 euro
“ISOtopic Investigation of Greenhouse GAses in Polar Regions: An Ocean-Ice-Atmosphere
Continuum”
Co-pi with Dr. Célia Sapart, Dr. Bruno Delille, and Dr. Jean-Louis Tison – FNRS PDR funding - Belgium
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2015 : PhD project of Boris Wittek – Salary: 4 years / Research: 10.000 euro
“Impact of seasonal environmental stress in sea ice on the production and emission of
dimethylsuflide by microbial communities”
Co-pi with Dr. Nathalie Gypens and Dr. Jean-Louis Tison – FRIA-FNRS Scholarship - Belgium
2014 : Travel award International Glaciological Society – 500 euro
Pi - Sea ice symposium, University of Tasmania - Australia
2009 : International Graduate Student Scholarship – 4000 euro
Pi – IGSS, University of Manitoba Graduate Studies - Canada
2008 : International Graduate Student Entrance Scholarship – 2000 euro
Pi – IGSES, University of Manitoba Graduate Studies - Canada
FIELD RESEARCH
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2011 (1): Yrosiae Study – McMurdo Sound, Antarctica
Polar surveys
“Year-round survey of Ocean-Sea-Ice-Air Exchanges in Antarctica”
1 leg of 6 weeks – Station based survey, Scott Base (NZ)
2009 (2): BAASICS Study – Point Barrow Alaska, USA
2 legs of 3 weeks – Station based survey, Barrow Arctic Science Consortium (US)
2007-2008 (3): CFL-IPY Study – Beaufort Sea, Canada
“Circumpolar Flaw Lead System Study”
2 legs of 4 and 6 weeks – Ship based survey, CCGS Amundsen (Ca)
2007 (4): SIMBA-IPY Study – Bellingshausen Sea, Antarctica
“Sea Ice Mass Balance in Antarctica”
2 months – Ship based survey, N.B. Palmer (US)
Non-polar surveys
2015: Cruise on the Scheldt Estuary – Belgium
Underway CH4 sampling in seawater using HISEM sensor
4 days – Ship based survey, Simon Stevin (VLIZ) (Bel)

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PUBLICATION RECORD
Google scholar stats
As of Aug 2016
Citations
H-index
i10-index
267
8
8
Book chapters (Total: 1)
1.Papakyriakou, T., G. Carnat, M. Chierici, B. Delille, B. Else, et al. (2012). Team 6: Gas Fluxes. On
The Edge, From knowledge to action during the fourth International Polar Year Circumpolar
Flaw Lead System Study (2007-2008). Ed. D. Barber, T. Tjaden, D. Leitch, L. Barber, and W. Chan.
Peer-reviewed papers (Total: 14)
1.Jutras, M., M. Vancoppenolle, A. Lourenço, F. Vivier, G. Carnat, et al. (2016). Thermodynamics
of slush and snow-ice formation in the Antarctic sea-ice zone. Deep-Sea Res. 2, doi:
10.1016/j.dsr2.2016.03.008
2.Brown, K.A., L.A. Miller, C.J. Mundy, T. Papakyriakou, R. Francois, M. Gosselin, G. Carnat, et al.
(2015). Inorganic carbon system dynamics in landfast Arctic sea ice during the early-melt
period. Journal of Geophysical Research: Oceans, 120, doi: 10.1002/2014JC010620
3.Carnat, G., J. Zhou, T. Papakyriakou, B. Delille, T. Goossens, et al. (2014). Physical and
biological controls on DMS,P dynamics in ice shelf-influenced fast ice during a winter-spring and
a spring-summer transitions. Journal of Geophysical Research: Oceans, 119, doi:
10.1002/2013JC009381
4.Zhou, J., J.-L. Tison, G. Carnat, N.-X. Geilfus, and B. Delille (2014). Physical controls on the
storage of methane in landfast sea ice. The Cryosphere, 8, 1019-1029, doi: 10.5194/tc-8-1019-
2014
5.Delille, B., M. Vancoppenolle, N.-X. Geilfus, B. Tilbrook, D. Lannuzel, V. Schoemann, S.
Becquevort, G. Carnat, et al. (2014). Southern Ocean CO2 sink: The contribution of the sea ice.
Journal of Geophysical Research: Oceans, 119, doi: 10.1002/2014JC009941
6.Carnat, G., T. Papakyriakou, N.-X. Geilfus, F. Brabant, B. Delille, et al. (2013). Investigations on
physical and textural properties of Arctic first-year sea ice in the Amundsen Gulf, Canada,
November 2007-June 2008 (IPY-CFL system study). Journal of Glaciology, 59, 217, doi:
10.3189/2013Jo12J148
7. Fransson, A., M. Chierici, L.A. Miller, G. Carnat, E. Shadwick, et al. (2013). Impact of sea-ice
processes on the carbonate system and ocean acidification at the ice-water interface of the
Amundsen Gulf, Arctic Ocean. Journal of Geophysical Research: Oceans, 118, 1-23, doi:
10.1002/2013JC009164
8. Geilfus, N.-X., G. Carnat, G.S. Dieckmann, N. Halden, G. Nehrke, et al. (2013). First estimates of
the contribution of CaCO3 precipitation to the release of CO2 to the atmosphere during young
sea ice growth. Journal of Geophysical Research: Oceans, 118, 1-12, doi: 10.1029/2012JC007980
9. Vancoppenolle, M., K.M. Meiners, C. Michel, L. Bopp, F. Brabant, G. Carnat, et al. (2013). Role
of sea ice in global biogeochemical cycles: emerging views and challenges. Quaternary
Science Reviews, doi: 10.1016/j.quascirev.2013.04.011

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10.Zhou, J., B. Delille, H. Eicken, M. Vancoppenolle, F. Brabant, G. Carnat, et al. (2013). Physical
and biogeochemical properties in landfast sea ice (Barrow, Alaska): Insights on brine and gas
dynamics across seasons. Journal of Geophysical Research: Oceans, 118, 1-18, doi:
10.1002/jgrc.20232
11.Geilfus, N.-X., G. Carnat, T. Papakyriakou, J.-L. Tison, B. Else, et al. (2012). Dynamics of pCO2
and related air-ice CO2 fluxes in the Arctic coastal zone (Amundsen Gulf, Beaufort Sea). Journal
of Geophysical Research: Oceans, 117, C00G10, doi: 10.1029/2011JC007118
12.Stefels, J., G. Carnat, J.W.H. Dacey, T. Goossens, J.T.M. Elzenga, et al. (2012). Marine
Chemistry, 128-129, 34-43, doi: 10.1016/j.marchem.2011.09.007
13.Marquardt, M., M. Kramer, G. Carnat, and I. Werner (2011). Vertical distribution of sympagic
meiofauna in sea ice in the Canadian Beaufort Sea. Polar Biology, 34, 1887-1900, doi:
10.1007/s00300-011-1078-y
14.Miller, L.A., G. Carnat, B.G.T. Else, N. Sutherland, and T.N. Papakyriakou (2011). Carbonate
system evolution at the Arctic Ocean surface during autumn freeze-up. Journal of Geophysical
Research: Oceans, 116, C00G04, doi: 10.1029/2011JC007143
TALKS AND POSTERS
Non peer-reviewed communications (Total: 3)
1.Carnat, G. (2014). Linking sea ice growth mechanisms with dimethylsulfide cycling in sea ice.
Solas Newsletter, 16
2.Carnat, G., F. Brabant, L. Miller, N.-X. Geilfus, W.K. Johnson, et al. (2010). Measuring Climate-
Active Gases in Early Spring Antarctic Sea Ice, the SIMBA Project. Canadian Antarctic Research
Network Newsletter, 29
3.Heinesch, B., M. Yernaux, M. Aubinet, N.-X. Geilfus, T. Papakyriakou, G. Carnat, et al. (2009).
Measuring air-ice CO2 fluxes in the Arctic. Fluxnet Newsletter, 2, 2.
2 invited oral presentations
3 oral presentations
5 posters
Invited oral presentations (Total: 2)
1.Carnat, G., W. Said-Ahmad, F. Fripiat, J.-L. Tison, and A. Amrani (2016). Sulfur isotope variability
of DMS(P) production by Antarctic sea ice microbial communities. American Geophysical Union
Fall Meeting, San Francisco, USA
2.Carnat, G., F. Brabant, J. Stefels, M. Levasseur, T. Papakyriakou, et al. (2010). DMS, P, O: the
contribution of the marine cryosphere. 5th International Symposium on Biological and
Environmental Chemistry of DMS(P) and Related Compounds, Goa, India

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Oral presentations (Total: 3)
1.Carnat, G., W. Said-Ahmad, F. Fripiat, J.-L. Tison, and A. Amrani (2016). Sulfur isotope variability
of DMS(P) production by Antarctic sea ice microbial communities. Goldschmidt Conference,
Yokohama, Japan
2.Carnat, G., J. Zhou, T. Papakyriakou, B. Delille, T. Goossens, et al. (2014). Biological and
physical controls on DMS,P dynamics in ice-shelf-influenced fast ice. International Glaciological
Society Symposium on Sea Ice in a Changing Environment, Hobart, Australia
3.Carnat, G., F. Brabant, J.-L. Tison, B. Delille, N.-X. Geilfus, et al. (2010). A comparative study of
DMS,P dynamics in Arctic and Antarctic sea ice. International Glaciological Society Symposium
on Sea Ice in a Changing Environment, Tromso, Norway
Posters (Total: 5)
1.Carnat, G., J. Zhou, B. Delille, T. Papakyriakou, M. Vancoppenolle, et al. (2013). Scenario of
DMS(P) evolution in landfast sea ice over an annual cycle of ice growth (Cape Evans,
Antarctica). Gordon Research Conference Polar Marine Sciences, Ventura, USA
2.Carnat, G., N.-X. Geilfus, G. Nehrke, J.-L. Tison, T. Papakyriakou, et al. (2010). First estimation of
the contribution of CaCO3 precipitation to the release of CO2 to the atmosphere during young
sea ice growth. Arctic Net Annual Meeting, Ottawa, Canada
3.Carnat, G., F. Brabant, T. Papakyriakou, G. Gilson, N.-X. Geilfus, et al. (2009). Spatiotemporal
variations of DMSO in Arctic sea-ice. Circumpolar Flaw Lead System Study all hands meeting,
Winnipeg, Canada
4.Carnat, G., T. Papakyriakou, F. Brabant, N.-X. Geilfus, B. Delille, et al. (2009). Arctic sea ice algal
communities: an important source of DMS for the atmosphere? Arctic Net Annual Meeting,
Victoria, Canada
5.Carnat, G., F. Brabant, N.-X. Geilfus, B. Delille, J.-L. Tison, et al. (2008). Year-round survey of DMS
and DMSP dynamics in Arctic sea ice (Beaufort Sea, November 2007 – June 2008). Arctic Net
Annual Meeting, Quebec City, Canada
+ > 50 additional posters and talks as a co-author
TEACHING AND SUPERVISION
2016 : “Climatic archives of the last 100000 years”
Practical course taught with 3 colleagues. Students give an oral presentation of selected
scientific publications. Teacher grade the presentations, then give comments and suggestions
to improve.
20-30 students
2014-2016 : “Chromatographic techniques to measure gases in ice samples”
Practical course taught with 1 colleague. Theoretical introduction to liquid and gas
chromatography techniques followed by practical sessions on various gas chromatographs
(Agilent and Thermo - FID, FPD, TCD) and liquid chromatographs (Dionex-Thermo).
20-30 students

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Graduate student supervision
Name Years Supervised Degree (date) Research title
Boris Wittek 2015-2019 PhD (2019) DMSP production in
sea ice under
environmental stress
– controlled
experiments
Gaëlle de Pierpont 2015-2016 MSc. (2016) Desalination
processes in sea ice
using Hele-Shaw cell
Barbara Estievenart 2015-2016 MSc. (2016) CO2 dynamics in
winter sea ice
Boris Wittek 2014-2015 MSc. (2015) DMSO dynamics in
ice-shelf influenced
fast ice
Arnaud Rotier 2013-2014 MSc. (2014) CH4 production in
coastal Arctic sea
ice
Cindy Courtois 2011-2012 MSc. (2012) O2, N2, Ar, and DMS
dynamics in coastal
Antarctic sea ice
Gaelle Gilson 2009-2010 MSc. (2010) DMS, DMSP, DMSO
dynamics in Arctic
sea ice
INTERNATIONAL COLLABORATIONS
L. Miller
T. Papakyriakou
M. Levasseur
B. Else
S. Ackley
D. Nomura
A. Fransson
M. Chierici
A. Amrani
J.M. Rintala
G. Dieckmann
J. Stefels
Belgian collaborators
J.-L. Tison
C. Sapart
B. Delille
F. Fripiat
M. Vancoppenolle

7. LANGUAGES AND SKILLS
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French
English
Dutch
Speaking Reading Writing
Parameter Medium Technique
DMS, DMSP, DMSO Ice Dry crushing – Purge and
trap – GC FPD
Seawater/Brines Purge and trap – GC FPD
DMS flux Atm Gradient Flux Technique –
Tenax-TA Cartridges
pCO2 Ice Peepers - LICOR
Seawater/Brines Liqui-Cell - LICOR
CO2 flux Atm Accumulation Chamber
Eddy covariance (open and
closed-path)
Total gas content Ice Toepler Pump
CH4 Ice Melt-freeze extraction
GC FID
O2, N2, Ar Ice Dry crushing
GC TCD
Temperature, Salinity Ice Conductimeter, T probe
Microstructure Ice Microtome – Polarized light
microscopy
Permeability Ice Bail test
Chl a Ice/Seawater Fluorometer
Major ions Ice/Seawater HPLC
Great expertise in logistics and sampling techniques of sea ice field surveys
Technical skills

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COMMUNITY INVOLVMENT
Membership: American Geophysical Union, International Glaciological
Society, SCOR Working Group 140 BEPSII (Biogeochemical Exchanges
Processes at the Sea-Ice Interfaces)
Reviewer for “Limnology and oceanography”
Academic institutions: member of the geography department council of
Université Libre de Bruxelles (2015-), member of the science faculty council of
the Université Libre de Bruxelles (2015-)
ADDITIONAL ASSETS
Wilderness first-aid certificate
Driving License
CMAS Diver License
OTHER INTERESTS