Hybrid inventory, gravimetry and altimetry (HIGA) mass balance product for Greenland and the Canadian Arctic

W. Colgan, W. Abdalati, M. Citterio, B. Csatho, X. Fettweis, S. Luthcke, G. Moholdt, and M. Stober Marine Geology and Glaciology, Geological Survey of Denmark and Greenland, Copenhagen, Denmark Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA Department of Geology, State University of New York, Buffalo, NY, USA Department of Geography, University of Liége, Liége, Belgium Goddard Space Flight Center, National Aeronautics and Space Administration, Greenbelt, MD, USA Scripps Institution of Oceanography, University of California, San Diego, CA, USA Stuttgart University of Applied Sciences, Stuttgart, Germany