1. Geophysical Institute University of Bergen and the Bjerknes Centre for Climate Research Bergen Norway
2. Institute for Geophysics Jackson School of Geosciences The University of Texas at Austin Austin TX USA
3. Now at Environmental Defense Fund New York NY USA
4. Department of Earth Science University of Bergen and the Bjerknes Centre for Climate Research Bergen Norway
5. Centre for Earth Evolution and Dynamics (CEED) Department of Geosciences University of Oslo Oslo Norway
6. Department of Physical Oceanography Woods Hole Oceanographic Institution Woods Hole MA USA