Subsea Permafrost and Methane Evasion: The East Siberian Arctic Ocean 

Örjan Gustafsson

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Changes in the Upper Arctic Ocean Since 2007: 

Atlantic Water Entrance, Freshwater Distribution and Pathways

Christine Provost

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Sea Ice Studies and Their Linkages to the Atmosphere and Ocean 

during the MOSAiC Expedition in 2019/20

Marcel Nicolaus

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Ecosystem Dynamics in the Pacific Arctic: 

Key Drivers of Biological Change in the Context of Climate Warming

Jacqueline M. Grebmeier