Triggers of the 2022 Larsen B multi-year landfast sea ice breakout and initial glacier response
Naomi E. Ochwat,Ted A. Scambos,Alison F. Banwell,Robert S. Anderson,Michelle L. Maclennan,Ghislain Picard,Julia A. Shates,Sebastian Marinsek,Liliana Margonari,Martin Truffer,and Erin C. Pettit
Earth Science Observation Center (ESOC), Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder, Boulder, CO, USA
Department of Geology, University of Colorado Boulder, Boulder, CO, USA
Earth Science Observation Center (ESOC), Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder, Boulder, CO, USA
Earth Science Observation Center (ESOC), Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder, Boulder, CO, USA
Robert S. Anderson
Department of Geology, University of Colorado Boulder, Boulder, CO, USA
On the Antarctic Peninsula, there is a small bay that had sea ice fastened to the shoreline (fast ice) for over a decade. The fast ice stabilized the glaciers that fed into the ocean. In January 2022, the fast ice broke away. Using satellite data we found that this was because of low sea ice concentrations and a high long-period ocean wave swell. We find that the glaciers have responded to this event by thinning, speeding up, and retreating by breaking off lots of icebergs at remarkable rates.
On the Antarctic Peninsula, there is a small bay that had sea ice fastened to the shoreline...