Science

Biogeochemical Interaction at Deep-Sea Vents
Working Group

(May 2007)

Working Group Members:
Nadine Le Bris (Chair), IFREMER, France
Antje Boetius, Max Planck Institute für Marine Mikrobiologie, Germany
Margaret K. Tivey, WHOI, USA
George W. Luther III, University of Delaware, USA
Christopher R. German, WHOI, USA
Frank Wenzhöfer, Max Planck Institute for Marine Microbiology, Germany
Jean-Luc Charlou, IFREMER, Germany
William E. Seyfried Jr., University of Minnesotta, USA
Danielle Fortin, University of Ottawa, Canada

Deep Earth Sampling Working Group Update 2007

(May 2007)
Benoit Ildefonse (CNRS/ISTEEM)

Working group members:
Wolfgang BACH - Bremen University, Bremen, Germany
Mathilde CANNAT - CNRS, Paris, France
Henry J.B. DICK - WHOI, Woods Hole, USA
Katrina EDWARDS - University of Southern California, USA
Kathryn GILLIS - University of Victoria, Victoria, Canada
Benoît ILDEFONSE (chair) - CNRS, Montpellier, France
Peter B. KELEMEN - Columbia University, Palisades, USA
Christopher J. MACLEOD - Cardiff University, Cardiff, UK

Chair: Chris R. German

Working Group Members:
USA - Ed Baker
USA - Y. John Chen
UK - Don Cowan
Japan - Toshitaka Gao Gamo
Spain - Eulália Grácia
Germany - Peter Halbach
New Zealand - Gary Massoth
Korea - Dr. Sang-Mook Lee
France - Joël Radford Knoery
USA - Anna-Louise Reysenbach
USA - Dan Scheirer
Canada - Steve D. Scott
France - Kevin G. Speer
USA - Carol A. Stein
USA - Cindy Lee Van Dover
Canada - Verena Tunnicliffe

Chair: Philippe Blondel

Working Group Members:
Christine Deplus
Martin Jakobsson
Marco Ligi
Takeshi Matsumoto
Kyoko Okino
William Ryan
Jordi Sorribas Cervantes
K. A. Kamesh Raju
Ron McNab
Wilhelm Weinrebe

This working group was active between 1995 and 2000 and had the goal to establish a database of multibeam bathymetry and other data for the mid-ocean ridge and back-arc basins.

1999 - Global Digital Database WG update

by Philippe Blondel, Chair

Chair: Colin W. Devey

Working Group Members:
Russia - Georgiy A. Cherkashev
USA - Bernard J. Coakley
USA - Kathleen Crane
France - Olivier Dauteuil
Russia - Vladimir Glebowsky
Iceland - Karl Gronvold
Canada - H. Ruth Jackson
Korea - Young Keun Jin
Germany - Wilfried Jokat
Norway - Yngve Kristoffersen
USA - Peter J. Michael
UK - Neil C. Mitchell
Germany - Hans Albert Roeser
Japan - Hideki Shimamura
Japan - Yoshifumi Nogi
USA - Cindy Lee Van Dover

The formation and evolution of the oceanic lithosphere is the dominant process in the chemical differentiation and physical evolution of our planet. Plate tectonic processes completely repave the ocean basins every 100–200 million years. Lithosphere formation encompasses the transfer and transformation of material and energy from Earth’s mantle to the crust and from the crust to the ocean and atmosphere. Independent of sunlight, the evolving ocean crust supports life in unique seafloor and subseafloor habitats that may resemble Earth’s earliest ecosystems. From its formation until its return to the mantle by subduction, the evolving oceanic lithosphere interacts with seawater, sequesters water and other materials, and ultimately recycles them back into the mantle.

Excerpt from the 2005 proposal

Deep Earth Sampling Working Group update. April 2006

Recent Working Group Activities