Donna J. Scott, National Snow and Ice Data Center, CIRES University of Colorado, Boulder, CO, United States, Kara L Gergely, National Snow and Ice Data Center, Boulder, CO, United States, Amanda Leon, National Snow and Ice Data Center at the University of Colorado Boulder, Boulder, CO, United States and Shannon R Leslie, NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), Boulder, CO, United States