3.3 Period 3: Regrowth (2010-2021)
From 2010-present, Crane’s terminus has advanced and slowed. From
2010-2011, the terminus advanced by 0.45 km. Limited elevation data were
collected along Crane’s flowline between 2012-2015, but surface
elevation data from 2016-2018 capture an active calving front. This new
terminus position sits approximately 1.25 km downstream of the 2010
terminus. Crane Glacier’s near-terminus surface elevation increased by
approximately 5 m/a over this 11 year period, as captured by ICESat-2
calibrated photogrammetric DEMs from 2019-2021 (Figures 2, S5). This
thickening represents a redistribution of mass from the tributaries,
where thinning of approximately 5 m/year occurred from 2019-2021, to the
trunk (Figure S5).