DFG-Leibniz Center for Surface Process and Climate Studies

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Dr. Xavier Giraud

ETH Zürich
Institute of Biogeochemistry and Pollutant Dynamics
CHN E 29
Universitätstrasse 16
8092 Zürich

xgiraud @ erdw.ethz.ch
Phone: +41 44 632 85 64


Research interests

Paleoproxy modelling: nitrogen isotopes, alkenones, carbon isotopes
Coastal ocean processes : upwelling
Ocean Biogeochemistry Models: regional and global

Academic Career

2008 - present
PostDoc at Environmental Physics, ETH Zürich, Switzerland

2006 - 2008
RCOM PostDoc at Research Center Ocean Margins, Bremen, Germany

2004 - 2005
RCOM PostDoc Fellowship at Research Center Ocean Margins, Bremen, Germany

2002 - 2003
PostDoc at Max Planck Institut for Biogeochemistry, Jena, Germany
Marie Curie Individual Fellowship

1998 - 2001
PhDthesis at University Bordeaux I, France
Speciality: Oceanography- Paleoceanography - Modeling

Publications

In prep. or submitted

Giraud X. and Paul A., in prep., Variations and record of paleo Primary Productivity in NW Africa coastal upwelling: preformed nutrient versus local conditions.

In press or published

Giraud X., Le Quéré C., and Cotrim da Cunha L., 2008, Importance of coastal nutrient supply for global ocean biogeochemistry, Global Biogeochem. Cycles, 22, GB2025, doi:10.1029/2006GB002717.

Cotrim da Cunha L., Buithenhuis E. T., Le Quéré C., Giraud X., and Ludwig W., 2007, Potential impact of changes in river nutrient supply on global ocean biogeochemistry. Global Biogeochem. Cycles, 21, GB4007, doi:10.1029/2006GB002718.

Giraud X., 2006, Modelling an alkenone-like proxy record in the NW African upwelling, Biogeosciences, 3 (3), 251-269.

Le Quéré C., Harrison S. P., Prentice I. C., Buithenhuis E. T., Aumont O., Bopp L., Claustre H., Cotrim da Cunha L., Geider R., Giraud X., Klaas C., Kohfeld K. E., Legendre L., Manizza M., Platt T., Rivkin R. B., Sathyendranath S., Uitz J., Watson A. J., and Wolf-Gladrow D., 2005, Ecosystem dynamics based on plankton functional types for global ocean biogeochemistry models, Global Change Biology, 11 (11), 2016-2040, doi:10.1111/j.1365-2486.2005.1004.x.

Schmittner A., Oschlies A., Giraud X., Eby M., and Simmons H.L., 2005, A global model of the marine ecosystem for long-term simulations: Sensitivity to ocean mixing, buoyancy forcing, particle sinking, and dissolved organic matter cycling, Global Biogeochem. Cycles, 19, GB3004, doi:10.1029/2004GB002283.

Giraud X., Bertrand P., Garçon V. and Dadou I., 2003, Interpretation of the nitrogen isotopic signal variations in the Mauritanian upwelling with a 2D physical-biogeochemical model, Global Biogeochem. Cycles, 17 (2), 1059, doi:10.1029/2002GB001951.

Bertrand P., Pedersen T., Schneider R., Shimmield G., Lallier-Verges E., Disnar J.R., Massias D., Villanueva J., Tribovillard N., Huc A.Y., Giraud X., Pierre C. and Vénec-Peyré M.T., 2003, Organic-rich sediments in ventilated deep-sea environments: Relationship to climate, sea-level and trophic changes, J. Geoph. Res., 108 (C2), 3045, doi:10.1029/2000JC000327.

Giraud X., Bertrand P., Garçon V. and Dadou I., 2000, Modeling d15N evolution: First palaeoceanographic applications in a coastal upwelling system, J. Mar. Res., 58, 609-630.

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