On Monday, October 12, 2020, the German Research Vessel Polarstern sailed back into its homeport after completing a remarkable expedition to the Arctic Ocean. This day marked the end of the fieldwork portion of the 2019-2020 MOSAiC expedition in which hundreds of scientists from around the world spent a year in the Arctic gathering important climate datasets.
Now a Virtual
View sequential still images of thermokarst (thawed permafrost) at Horn Lake in northern Alaska during the summer of 2010. The video was made by researchers studying the responses of Arctic landscapes to permafrost degradation.