The comparison between calving front variations and bed elevation of Branch B in Jakobshavn Isbræ

In this movie, we show the bed elevation at the calving front of Branch B and the comparison between bed elevation and calving front variation in terms of area change. Figure a shows the calving front variation expressed by area change. Figure b shows the bed elevation along the profile. The profile is shown in figure c by the green line. The red star shows the cross section between the calving front and the profile.