Stanford University, Department of Geophysics 397 Panama Mall Mitchell Building 360 Stanford University, Stanford, CA 94305-2215, United States ; Institute of Geophysics and Planetary Physics, Scripps Institution of Oceanography University of California, San Diego IGPP 0225 9500 Gilman Drive, La Jolla, CA 92093-0225, United States
Arctic Region Supercomputing Center, University of Alaska, Geophysical Institute 903 Koyukuk Drive P.O. Box 757320, Fairbanks, AK 99775-7320, United States
Institute of Geophysics and Planetary Physics, Scripps Institution of Oceanography University of California, San Diego IGPP 0225 9500 Gilman Drive, La Jolla, CA 92093-0225, United States ;