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University of Helsinki profile page

Other IDs

Scopus Author ID: 54982717400
Scopus Author ID: 54982717400

Keywords

Biogeochemistry, Polar marine sciences, Sea ice, CO2, Oceanography

Countries

Canada

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Employment (5)

University of Helsinki: Helsinki, FI

Employment
Source: check_circle
University of Helsinki

University of Helsinki: Helsinki, FI

2022-08 to present
Employment
Source: Self-asserted source
Nicolas-Xavier Geilfus

University of Manitoba: Winnipeg, MB, CA

2015-11-01 to 2022-08 | Research Associate (Centre for Earth Obseration Science)
Employment
Source: Self-asserted source
Nicolas-Xavier Geilfus

Aarhus University: Aarhus, DK

2013-10-01 to 2015-10-31 | Postdoctoral Fellow (Arctic Research Centre)
Employment
Source: Self-asserted source
Nicolas-Xavier Geilfus

University of Manitoba: Winnipeg, MB, CA

2011-10-01 to 2013-09-30 | Postdoctoral Fellow (Centre for Earth Obseration Science)
Employment
Source: Self-asserted source
Nicolas-Xavier Geilfus

Education and qualifications (4)

Université de Liège: Liège, BE

2007-09 to 2011-05 | PhD Sciences (Unité d'Oceanographie Chimique)
Education
Source: Self-asserted source
Nicolas-Xavier Geilfus

Université de Liège: Liege, BE

2005-09 to 2007-09 | M.Sc. Oceanology (Unité d'Océanographie Chimique)
Education
Source: Self-asserted source
Nicolas-Xavier Geilfus

Université Libre de Bruxelles: Bruxelles, BE

2003-09 to 2005-09 | M.Sc in Geography (Departement des Sciences de la Terre et environnement)
Education
Source: Self-asserted source
Nicolas-Xavier Geilfus

Université Libre de Bruxelles: Bruxelles, BE

2001-09 to 2003-09 | BSc. in Geography (Departement des Sciences de la Terre et environnement)
Education
Source: Self-asserted source
Nicolas-Xavier Geilfus

Funding (2)

Microplastic in sea ice

2017-12 to 2018-06 | Grant
International Union for Conservation of Nature (IUCN) (Geneve, CH)
Source: Self-asserted source
Nicolas-Xavier Geilfus

Role of physical and chemical processes on sea ice inorganic carbon dynamics; impact on the air-ice-sea exchanges of co2

2007-10 to 2011-10 | Salary award
Fonds De La Recherche Scientifique - FNRS (Liège, BE)
Source: Self-asserted source
Nicolas-Xavier Geilfus

Works (36)

Modification of Pacific water in the northern Canadian Arctic

Frontiers in Marine Science
2023-06-12 | Journal article | Author
DOI: 10.3389/fmars.2023.1181800
SOURCE-WORK-ID:

4afda786-ffa4-4899-ac7e-77bc8569b988

WOSUID:

001016074300001

EID:

2-s2.0-85163614873
Contributors: Igor A. Dmitrenko; Sergei A. Kirillov; Bert Rudels; Nicolas-Xavier Geilfus; Jens Ehn; David G. Babb; David A. Lilien; Dorthe Dahl-Jensen
Source: check_circle
University of Helsinki

Gas dynamics within landfast sea ice of an Arctic fjord (NE Greenland) during the spring-summer transition

Elementa: Science of the Anthropocene
2023-04-27 | Journal article | Author
DOI: 10.1525/elementa.2022.00056
SOURCE-WORK-ID:

60bec3a4-fad4-4174-b4aa-d236cec31b4e

WOSUID:

000988733900002

EID:

2-s2.0-85159258095
Contributors: Nicolas-Xavier Geilfus; Bruno Delille; Jean-Louis Tison; Marcos Lemes; Soren Rysgaard
Source: check_circle
University of Helsinki

Reproducing Arctic springtime tropospheric ozone and mercury depletion events in an outdoor mesocosm sea ice facility

Atmospheric Chemistry and Physics
2022 | Journal article | Author
DOI: 10.5194/acp-22-1811-2022
SOURCE-WORK-ID:

ccdb8b29-465c-4aa8-af11-727c95ca5cc3

WOSUID:

000758041200001
Contributors: Zhiyuan Gao; Nicolas-Xavier Geilfus; Alfonso Saiz-Lopez; Feiyue Wang
Source: check_circle
University of Helsinki

Distribution and impacts of microplastic incorporation within sea ice

Marine Pollution Bulletin
2019-08 | Journal article
DOI: 10.1016/j.marpolbul.2019.06.029
Contributors: N.-X. Geilfus; K.M. Munson; J. Sousa; Y. Germanov; S. Bhugaloo; D. Babb; F. Wang
Source: check_circle
Crossref

A Model‐Based Analysis of Physical and Biogeochemical Controls on Carbon Exchange in the Upper Water Column, Sea Ice, and Atmosphere in a Seasonally Ice‐Covered Arctic Strait

Journal of Geophysical Research: Oceans
2018-10 | Journal article
DOI: 10.1029/2018JC014376
Contributors: Eric Mortenson; N. Steiner; A. H. Monahan; L. A. Miller; N.‐X. Geilfus; K. Brown
Source: check_circle
Crossref

The Inferred Formation of a Subice Platelet Layer Below the Multiyear Landfast Sea Ice in the Wandel Sea (NE Greenland) Induced by Meltwater Drainage

Journal of Geophysical Research: Oceans
2018-05 | Journal article
DOI: 10.1029/2017JC013672
Contributors: S. Kirillov; I. Dmitrenko; S. Rysgaard; D. Babb; J. Ehn; J. Bendtsen; W. Boone; D. Barber; N. Geilfus
Source: check_circle
Crossref

Current use pesticide and legacy organochlorine pesticide dynamics at the ocean-sea ice-atmosphere interface in resolute passage, Canadian Arctic, during winter-summer transition

Science of the Total Environment
2017 | Journal article
DOI: 10.1016/j.scitotenv.2016.12.122
EID:

2-s2.0-85009289971
Contributors: Pućko, M.; Stern, G.A.; Burt, A.E.; Jantunen, L.M.; Bidleman, T.F.; Macdonald, R.W.; Barber, D.G.; Geilfus, N.-X.; Rysgaard, S.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Replacement of multiyear sea ice and changes in the open water season duration in the Beaufort Sea since 2004

Journal of Geophysical Research: Oceans
2016 | Journal article
DOI: 10.1002/2015JC011583
EID:

2-s2.0-84962621194
Contributors: Galley, R.J.; Babb, D.; Ogi, M.; Else, B.G.T.; Geilfus, N.-X.; Crabeck, O.; Barber, D.G.; Rysgaard, S.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Estimates of ikaite export from sea ice to the underlying seawater in a sea ice–seawater mesocosm

The Cryosphere
2016-09 | Journal article
DOI: 10.5194/tc-10-2173-2016
Part of ISSN: 1994-0424
Contributors: Nicolas-Xavier Geilfus; Ryan J. Galley; Brent G. T. Else; Karley Campbell; Tim Papakyriakou; Odile Crabeck; Marcos Lemes; Bruno Delille; Søren Rysgaard
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Imaging air volume fraction in sea ice using non-destructive X-ray tomography

The Cryosphere
2016-05 | Journal article
DOI: 10.5194/tc-10-1125-2016
Part of ISSN: 1994-0424
Contributors: Odile Crabeck; Ryan Galley; Bruno Delille; Brent Else; Nicolas-Xavier Geilfus; Marcos Lemes; Mathieu Des Roches; Pierre Francus; Jean-Louis Tison; Søren Rysgaard
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Impacts of ikaite export from sea ice to the underlying seawater in a sea ice-seawater mesocosm

The Cryosphere Discussions
2016-02-11 | Journal article
DOI: 10.5194/tc-2016-14
Part of ISSN: 1994-0440
Contributors: N.-X Geilfus; R. J. Galley; B. G. T. Else; T. Papakyriakou; O. Crabeck; M. Lemes; B. Delille; S. Rysgaard
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Imaged brine inclusions in young sea ice-Shape, distribution and formation timing

Cold Regions Science and Technology
2015 | Journal article
DOI: 10.1016/j.coldregions.2014.12.011
EID:

2-s2.0-84920721172
Contributors: Galley, R.J.; Else, B.G.T.; Geilfus, N.-X.; Hare, A.A.; Isleifson, D.; Barber, D.G.; Rysgaard, S.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Inorganic carbon dynamics of melt-pond-covered first-year sea ice in the Canadian Arctic

Biogeosciences
2015 | Journal article
DOI: 10.5194/bg-12-2047-2015
EID:

2-s2.0-84926140920
Contributors: Geilfus, N.-X.; Galley, R.J.; Crabeck, O.; Papakyriakou, T.; Landy, J.; Tison, J.-L.; Rysgaard, S.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Under-ice eddy covariance flux measurements of heat, salt, momentum, and dissolved oxygen in an artificial sea ice pool

Cold Regions Science and Technology
2015 | Journal article
DOI: 10.1016/j.coldregions.2015.06.018
EID:

2-s2.0-84940504571
Contributors: Else, B.G.T.; Rysgaard, S.; Attard, K.; Campbell, K.; Crabeck, O.; Galley, R.J.; Geilfus, N.-X.; Lemes, M.; Lueck, R.; Papakyriakou, T. et al.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Imaging air volume fraction in sea ice using non-destructive X-ray tomography

The Cryosphere Discussions
2015-09 | Journal article
DOI: 10.5194/tcd-9-5203-2015
Part of ISSN: 1994-0440
Contributors: O. Crabeck; R. J. Galley; B. Delille; B. G. T. Else; N.-X. Geilfus; M. Lemes; M. Des Roches; P. Francus; J.-L. Tison; S. Rysgaard
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Micrometeorological and Thermal Control of Frost Flower Growth and Decay on Young Sea Ice

ARCTIC
2015-02 | Journal article
DOI: 10.14430/arctic4457
Part of ISSN: 1923-1245
Contributors: Ryan J. Galley; Brent G.T. Else; Nicolas-Xavier Geilfus; Alexander A. Hare; David Babb; Tim Papakyriakou; David G. Barber; Søren Rysgaard
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Drivers of inorganic carbon dynamics in first-year sea ice: A model study

Journal of Geophysical Research: Oceans
2015-01 | Journal article
DOI: 10.1002/2014jc010388
Part of ISSN: 2169-9275
Contributors: Sébastien Moreau; Martin Vancoppenolle; Bruno Delille; Jean-Louis Tison; Jiayun Zhou; Marie Kotovitch; David N. Thomas; Nicolas-Xavier Geilfus; Hugues Goosse
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search
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CO<sub>2</sub> and CH<sub>4</sub> in sea ice from a subarctic fjord under influence of riverine input

Biogeosciences
2014 | Journal article
DOI: 10.5194/bg-11-6525-2014
Part of ISSN: 1726-4189
Contributors: O. Crabeck; B. Delille; D. Thomas; N.-X. Geilfus; S. Rysgaard; J.-L. Tison
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

First in situ'' determination of gas transport coefficients (DO<inf>2</inf>, D<inf>Ar</inf>, and D<inf>N</inf><inf>2</inf>) from bulk gas concentration measurements (O<inf>2</inf>, N<inf>2</inf>, Ar) in natural sea ice

Journal of Geophysical Research: Oceans
2014 | Journal article
DOI: 10.1002/2014JC009849
EID:

2-s2.0-84915748720
Contributors: Crabeck, O.; Delille, B.; Rysgaard, S.; Thomas, D.N.; Geilfus, N.-X.; Else, B.; Tison, J.-L.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Physical controls on the storage of methane in landfast sea ice

Cryosphere
2014 | Journal article
DOI: 10.5194/tc-8-1019-2014
EID:

2-s2.0-84902162836
Contributors: Zhou, J.; Tison, J.-L.; Carnat, G.; Geilfus, N.-X.; Delille, B.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Sea ice <i>p</i>CO<sub>2</sub> dynamics and air&ndash;ice CO<sub>2</sub> fluxes during the Sea Ice Mass Balance in the Antarctic (SIMBA) experiment &ndash; Bellingshausen Sea, Antarctica

The Cryosphere
2014 | Journal article
DOI: 10.5194/tc-8-2395-2014
Part of ISSN: 1994-0424
Contributors: N.-X. Geilfus; J.-L. Tison; S. F. Ackley; R. J. Galley; S. Rysgaard; L. A. Miller; B. Delille
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Southern Ocean CO2sink: The contribution of the sea ice

Journal of Geophysical Research: Oceans
2014-09 | Journal article
DOI: 10.1002/2014jc009941
Part of ISSN: 2169-9275
Contributors: Bruno Delille; Martin Vancoppenolle; Nicolas-Xavier Geilfus; Bronte Tilbrook; Delphine Lannuzel; Véronique Schoemann; Sylvie Becquevort; Gauthier Carnat; Daniel Delille; Christiane Lancelot et al.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search
grade
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Temporal dynamics of ikaite in experimental sea ice

The Cryosphere
2014-08-08 | Journal article
DOI: 10.5194/tc-8-1469-2014
Part of ISSN: 1994-0424
Contributors: S. Rysgaard; F. Wang; R. J. Galley; R. Grimm; D. Notz; M. Lemes; N.-X. Geilfus; A. Chaulk; A. A. Hare; O. Crabeck et al.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Impact of snow cover on CO<sub>2</sub> dynamics in Antarctic pack ice

The Cryosphere Discussions
2014-06 | Journal article
DOI: 10.5194/tcd-8-3263-2014
Part of ISSN: 1994-0440
Contributors: N.-X. Geilfus; J.-L. Tison; S. F. Ackley; S. Rysgaard; L. A. Miller; B. Delille
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Inorganic carbon dynamics of melt pond-covered first year sea ice in the Canadian Arctic

Biogeosciences Discussions
2014-05 | Journal article
DOI: 10.5194/bgd-11-7485-2014
Part of ISSN: 1810-6285
Contributors: N.-X. Geilfus; R. J. Galley; O. Crabeck; T. Papakyriakou; J. Landy; J.-L. Tison; S. Rysgaard
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

CO<sub>2</sub> and CH<sub>4</sub> in sea ice from a subarctic fjord

Biogeosciences Discussions
2014-03 | Journal article
DOI: 10.5194/bgd-11-4047-2014
Part of ISSN: 1810-6285
Contributors: O. Crabeck; B. Delille; D. N. Thomas; N. X. Geilfus; S. Rysgaard; J. L. Tison
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

Gypsum crystals observed in experimental and natural sea ice

Geophysical Research Letters
2013 | Journal article
DOI: 10.1002/2013gl058479
Part of ISSN: 0094-8276
Contributors: N.-X. Geilfus; R. J. Galley; M. Cooper; N. Halden; A. Hare; F. Wang; D. H. Søgaard; S. Rysgaard
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search
grade
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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
2013 | Journal article
DOI: 10.3189/2013jog12j148
Part of ISSN: 0022-1430
Contributors: Gauthier Carnat; Timothy Papakyriakou; N.X. Geilfus; Frédéric Brabant; B. Delille; Martin Vancoppenolle; Gaelle Gilson; Jiayun Zhou; Jean-Louis Tison
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search
grade
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PH evolution in sea ice grown at an outdoor experimental facility

Marine Chemistry
2013 | Journal article
DOI: 10.1016/j.marchem.2013.04.007
EID:

2-s2.0-84879330274
Contributors: Hare, A.A.; Wang, F.; Barber, D.; Geilfus, N.-X.; Galley, R.J.; Rysgaard, S.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Physical and biogeochemical properties in landfast sea ice (Barrow, Alaska): Insights on brine and gas dynamics across seasons

Journal of Geophysical Research: Oceans
2013 | Journal article
DOI: 10.1002/jgrc.20232
EID:

2-s2.0-84882752755
Contributors: Zhou, J.; Delille, B.; Eicken, H.; Vancoppenolle, M.; Brabant, F.; Carnat, G.; Geilfus, N.-X.; Papakyriakou, T.; Heinesch, B.; Tison, J.-L.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Morphology and distribution of liquid inclusions in young sea ice as imaged by magnetic resonance

The Cryosphere Discussions
2013-10-08 | Journal article
DOI: 10.5194/tcd-7-4977-2013
Part of ISSN: 1994-0440
Contributors: R. J. Galley; B. G. T. Else; N.-X. Geilfus; A. A. Hare; D. Isleifson; L. Ryner; D. G. Barber; S. Rysgaard
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

The relative contributions of biological and abiotic processes to carbon dynamics in subarctic sea ice

Polar Biology
2013-09-04 | Journal article
DOI: 10.1007/s00300-013-1396-3
Part of ISSN: 0722-4060
Contributors: Dorte Haubjerg Søgaard; David N. Thomas; Søren Rysgaard; Ronnie Nøhr Glud; Louiza Norman; Hermanni Kaartokallio; Thomas Juul-Pedersen; Nicolas-Xavier Geilfus
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search

First estimates of the contribution of CaCO3precipitation to the release of CO2to the atmosphere during young sea ice growth

Journal of Geophysical Research: Oceans
2013-01 | Journal article
DOI: 10.1029/2012jc007980
Part of ISSN: 2169-9275
Contributors: N.-X. Geilfus; G. Carnat; G. S. Dieckmann; N. Halden; G. Nehrke; T. Papakyriakou; J.-L. Tison; B. Delille
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search
grade
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Consequences of change and variability in sea ice on marine ecosystem and biogeochemical processes during the 2007-2008 Canadian International Polar Year program

Climatic Change
2012 | Journal article
DOI: 10.1007/s10584-012-0482-9
EID:

2-s2.0-84867679391
Contributors: Barber, D.G.; Asplin, M.G.; Papakyriakou, T.N.; Miller, L.; Else, B.G.T.; Iacozza, J.; Mundy, C.J.; Gosslin, M.; Asselin, N.C.; Ferguson, S. et al.
Source: Self-asserted source
Nicolas-Xavier Geilfus via Scopus - Elsevier

Towards a method for high vertical resolution measurements of the partial pressure of CO2 within bulk sea ice

Journal of Glaciology
2012 | Journal article
DOI: 10.3189/2012jog11j071
Part of ISSN: 0022-1430
Contributors: N.-X. Geilfus; B. Delille; V. Verbeke; J.-L. Tison
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search
grade
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Dynamics of pCO2and related air-ice CO2fluxes in the Arctic coastal zone (Amundsen Gulf, Beaufort Sea)

Journal of Geophysical Research: Oceans
2012-02-02 | Journal article
DOI: 10.1029/2011jc007118
Part of ISSN: 0148-0227
Contributors: N.-X. Geilfus; G. Carnat; T. Papakyriakou; J.-L. Tison; B. Else; H. Thomas; E. Shadwick; B. Delille
Source: Self-asserted source
Nicolas-Xavier Geilfus via Crossref Metadata Search
grade
Preferred source (of 2)‎
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