U.S. Geological Survey, National Research Program, 12201 Sunrise Valley Drive, MS 430, Reston, VA 20192 United States
U.S. Geological Survey, National Research Program, Geophysical Fluid Dynamics Laboratory/NOAA, Route 1, Forrestal Campus, Princeton, NJ 08542 United States
U.S. Geological Survey, National Research Program, 12201 Sunrise Valley Drive, MS 430, Reston, VA 20192 United States