1. Cryospheric Sciences Laboratory,Goddard Space Flight Center,Greenbelt,USA
2. California Institution of Technology,Jet Propulsion Laboratory,Pasadena,USA
3. Goddard Space Flight Center,Radiometric Calibration Laboratory,Greenbelt,USA
4. Comp. & Information Sci. and Tech. Office,Goddard Space Flight Center,Greenbelt,USA
5. Geodesy and Geophysics Laboratory,Goddard Space Flight Center,Greenbelt,USA
6. University of Washington,Applied Physics Laboratory,Seattle,USA
7. Woods Hole Oceanographic Institution,Physical Oceanography Department,Woods Hole,USA
8. Massachusetts Institute of Technology,Earth, Atmospheric and Planetary Sciences,Cambridge,USA
9. University of Texas at Austin,Jackson School of Geosciences,Austin,USA
10. Data Science Goddard Space Flight Center,Greenbelt,USA
11. University at Buffalo,Dept. of Geology,Buffalo,USA
12. High Performance Computing,Goddard Space Flight Center,Greenbelt,USA