Geophysical Institute, University of Alaska, Fairbanks, AK 99775 United States
University of Bergen, Allegaten 41, Bergen, N-5007 Norway
Hawaii Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology University of Hawaii at Manoa 1680 East-West Road, POST 815, Honolulu, HI 96822 United States
University of Alaska, School of Fisheries and Oceanography, Fairbanks, AK 99775 United States