University of Colorado Boulder / University of Colorado Boulder The / University of Colorado Campus Box / Cooperative Institute / University of Colorado Boulder Andrew P. Barrett / /
University of Colorado / Cooperative Institute for Research / University of Colorado Campus Box / Barrett and Julienne Stroeve National Snow and Ice Data Center / Atmospheric Reanalyses Mark C. Serreze National Snow and Ice Data Center / University of Colorado Boulder Andrew P. Barrett / University of Colorado Boulder / /