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DUNE

a DUst experiment in a low Nutrient, low chlorophyll Ecosystem

ANR-Blanc project 2008-2011

contact: Cécile Guieu (guieu // at // obs-vlfr.fr)

DUNE is a SOLAS Endorsed Project

Objectives
Pilot Phase in 2007: Report (PDF) and Photo Galery

DUNE workshop in Villefranche sur mer, 6-7 April 2011

new!! recent publications from the DUNE project:

Bressac M., C. Guieu, D. Doxaran, F. Bourrin, G. Obolensky and JM Grisoni, 2011, A mesocosm experiment coupled with optical measurements to observe the fate and sinking of atmospheric particles in clear oligotrophic waters, Geo-Marine Letters, DOI 10.1007/s00367-011-0269-4

Guieu C. , F. Dulac, K. Desboeufs, T. Wagener, E. Pulido-Villena, J.-M. Grisoni, F. Louis, C. Ridame, S. Blain, C. Brunet, E. Bon Nguyen, S. Tran, M. Labiadh, and J.-M. Dominici, 2010, Large clean mesocosms and simulated dust deposition: a new methodology to investigate responses of marine oligotrophic ecosystems to atmospheric inputs, Biogeosciences, 7, 2765-2784, 2010

Laghdass M., S. Blain S., M. Besseling M., P. Catala P., C. Guieu C., I. Obernosterer I., Impact of Saharan dust on the microbial community during a large clean mesocosm experiment in the NW Mediterranean Sea, Aquatic Microbial Ecology, vol. 62: 201-213, 2011

Pulido-Villena E. , Rerolle V., Guieu C. , 2010, Transient fertilizing effect of dust in P-deficient LNLC surface ocean, Geophysical Research letters , vol. 37, L01603, doi:10.1029/2009GL041415, 2010

Wagener, T., Guieu C., Leblond N., 2010, Effects of dust deposition on iron cycle in the surface Mediterranean Sea: results from a mesocosm seeding experiment., Biogeosciences, 7, 3769-3781, 2010.

Ye Y., Wagener T., Volker C., Guieu C., Dieter A. Wolf-Gladrow D.A., 2010, Dust deposition: iron source or sink? A case study, Biogeosciences Discuss. , 7, 9219-9272, 2010

Oral presentations at the ASLO 2011 meeting

Bressac Matthieu, Guieu Cécile, Doxaran David, Bourrin François, Wagener Thibaut and Obolensky Gregor, Fate and effects of Saharan dust in seawater: a simulated dust deposition during the DUNE (a Dust experiment in a low nutrient low chlorophyll ecosystem) project (PDF)

Dulac François, , Desboeufs Karine, Bon Nguyen Elizabeth, Tran Sophie, Losno Rémi, Chevaillier Servanne, Guieu Cécile, Leblond Nathalie, Labiadh Mohamed, A method to produce large amounts of mineral dust for controlled in situ experiments on the marine biogeochemical impact of atmospheric deposition (PDF)

Guieu Cécile, Ridame Céline, Pulido-Villena Elvira, Blain Stéphane, Wagener Thibaut, Dulac Francois, Desboeufs Karine, Pondaven Philippe, Leblond Nathalie, Stemman Lars, Obernesterer Ingrid, Dominici Jean-Marie, Dust inputs and marine carbon cycle: new insights from mesocosms study (PDF)

Wuttig Kathrin, Anna Dammshäuser, Matthieu Bressac, Thibaut Wagener, Peter Streu, Cecile Guieu, Peter L. Croot, Temporal Changes in the Biogeochemistry of Mn, Fe and Al after an Artificial Dust Deposition to Large Mesocosms (DUNE Project) (PDF).