CV Ivia Closset

Title Post-doctoral Researcher
Postal address Finnish Meteorological Institute, P.O. Box 503, FI-00101 Helsinki, Finland
Street address Erik Palménin aukio 1, 00560 Helsinki
Phone number +358 50 442 1329

Fields of expertise

  • Climate change

  • Stable isotopes

  • Biogeochemistry

  • Nutrients cycles

  • Polar Oceans


University and other degrees

  • PhD (Biogeochemistry), 2015, Sorbonne Université (Paris-France)

  • MSc (Oceanography & Marine Environments), 2011, Université Pierre et Marie Curie (Paris-France)

  • MSc (Marine Biology & Ecology), 2006, Aix-Marseille Université (Marseille-France)

Previous professional appointments

  • 2016-2022: Post-doctoral Researcher, Marine Science Institute, University of California, Santa Barbara (Santa Barbara-California)

  • 2015-2016: Lecturer, Sorbonne Université (Paris-France)

  • 2010 & 2011, summers: Research Assistant, IPSL Laboratory of Oceanography and Climate: Experiments and Numerical Approaches

Other professional activities

List of publications

Peer-reviewed publications

18. Jones C. A., I. Closset, C. R. Riesselman, R.P. Kelly, M. A. Brzezinski, R. S. Robinson, 2022: New Constraints on Assemblage-Driven Variation in the Relationship Amongst Diatom-Bound, Biomass, and Nitrate Nitrogen Isotope Values, Paleoceanography and Paleoclimatology, 37(8), e2022PA004428,

17. Closset I., M. A. Brzezinski, D. Cardinal, A. Dapoigny, J. L. Jones, R. S. Robinson, 2022: A silicon isotopic perspective on the contribution of diagenesis to the sedimentary silicon budget in the Southern Ocean, Geochimica et Cosmochimica Acta, 327(15), 298-313,

16. Brzezinski M. A., I. Closset, J. L. Jones, G. F. de Souza, C. Maden, 2021: New constraints on the physical and biological controls on the silicon isotopic composition of the Arctic Ocean, Frontiers in Marine Science, 8:699762,

15. Closset I., H. M. McNair, M. A. Brzezinski, J. W. Krause, K. Thamatrakoln, J. L. Jones, 2021: Diatom response to alterations in upwelling and nutrient dynamics associated with climate forcing in the California Current System, Limnology and Oceanography, 66, 1578-1593,

14. Robinson R.S., C.A. Jones, R.P. Kelly, A. Love I. Closset, P.A. Rafter, M. Brzezinski, 2020: A test of the diatom-bound paleoproxy: Tracing the isotopic composition of nutrient-nitrogen into Southern Ocean particles and sediments. Global Biogeochemical Cycles, 34,

13. Grasse P., I. Closset, J.L. Jones, S. Geilert, M. A. Brzezinski, 2020: Controls on dissolved silicon isotopes along the U.S. GEOTRACES Eastern Pacific Zonal Transect (GP16). Global Biogeochemical Cycles, 34,

12. Bisson K. M, N. Baetge, S.J. Kramer, D. Catlett, G. Girling, H. McNair, E. Arrington, D. Hayes, C. Jacobs, A. James, I. Closset, A.D. Fisher, S. Wagner, M. Reading, J. Comstock, S. Amiri, E. Harvey, C. Carlson, P. Gaube, K. Drushka, D.L. Valentine, 2020: California wildfire burns boundaries between science and art. Oceanography, 33(1), 16-19,

11. Closset I., D. Cardinal, T.W. Trull, F. Fripiat, 2019: New insights into processes controlling the d30Si of sinking diatoms: a seasonally resolved box-model approach. Global biogeochemical cycles,

10. Schlitzer R, R.F. Anderson, E. Masferrer Dodas, M. Lohan, W. Geibert, A. Tagliabue, {…}, I. Closset, et al., 2018: The GEOTRACES intermediate data product 2017. Chemical Geology, 493, 210-223,

9. Grasse P., M.A. Brzezinski, D. Cardinal, G.F. de Souza, P. Andersson, I. Closset, et al., 2017: GEOTRACES inter-calibration of the stable silicon isotope composition of dissolved silicic acid in seawater. Journal of analytical Atomic Spectrometry, 32, 562-578,

8. Closset I., D. Cardinal, M. Rembauville, F. Thil, S. Blain, 2016: Unveiling the Si cycle using isotopes in an iron fertilized zone of the Southern Ocean: from mixed layer supply to export. Biogeosciences, 13, 6049-6066,

7. Campagne P., X. Crosta, M.-N. Houssais, D. Swingedouw, S. Schmidt, A. Martin, E. Devred, S. Capo, V. Marieu, I. Closset, G. Massé, 2015: Glacial ice and atmospheric forcing on the Mertz Glacier Polynya over the past 250 years. Nature Communications, 6:6642,

6. Closset I., D. Cardinal, S. Bray, F. Thil, I. Djouraev, A. Rigual-Hernández, T. Trull, 2015: Seasonal variations, origin and fate of settling diatoms in the Southern Ocean tracked by silicon isotope records in deep sediment traps. Global biogeochemical Cycles, 29: 1495-1510,

5. Jacquet S., F. Dehairs, A.-J. Cavagna, F. Planchon, L. Monin, L., André, I. Closset, D. Cardinal, 2015: Early season mesopelagic carbon remineralization and transfer efficiency in the naturally iron-fertilized Kerguelen area. Biogeosciences, 12:1713-1731,

4. Rigual-Hernández A., T. Trull, S. Bray, I. Closset, L. Armand, 2015: Seasonal dynamics in diatom export fluxes to the deep sea in the Australian sector of the southern Antarctic Zone. Journal of Marine Systems, 142: 62-74.

3. Cavagna A.-J., F. Fripiat, M. Elskens, F. Dehairs, P. Mangion, L. Chirurgien, I. Closset, M. Lasbleiz, L. Flores-Leive, D. Cardinal, K. Leblanc, C. Fernandez, D. Lefèvre, L. Oriol, S. Blain, B. Quéguiner, 2014: Production regime and associated N cycling in the vicinity of Kerguelen Island, Southern Ocean. Biogeosciences, 12:6515-6528,

2. Closset I., M. Lasbleiz, K. Leblanc, B. Quéguiner, A.-J. Cavagna, M. Elskens, J. Navez, D. Cardinal, 2014: Seasonal evolution of net and regenerated silica production around a natural Fe-fertilized area in the Southern Ocean estimated from Si isotopic approaches. Biogeosciences, 11:5827-5846,

1. Sicre M.-A., M. Khodri, J. Mignot, J. Eiriksson, K.-L. Knudsen, U. Ezat, I. Closset, P. Nogues, G. Massé, 2022: Sea-surface temperature and sea-ice variability in the subpolar North Atlantic from explosive volcanism of the Late 13th century. Geophysical Research Letters, 40:5526-5530,