Name ,Units ,Description aice ,1 ,ice area (aggregate) aisnap ,1 ,ice area snapshot dagedtd ,day/day ,age tendency dynamics dagedtt ,day/day ,age tendency thermo dsnow ,cm/day ,snow formation hi ,m ,grid cell mean ice thickness hisnap ,m ,ice volume snapshot hs ,m ,grid cell mean snow thickness iage ,years ,sea ice age time_bounds ,days since 0001-01-01 00:00:00,boundaries for time-averaging interval uvel ,m/s ,ice velocity (x) vvel ,m/s ,ice velocity (y)