New, detailed surveys from the Beaufort Sea reveal a seafloor depression the size of a city block associated with permafrost thaw and likely influenced by the movement of groundwater below.
Arctic Ocean
Posted inEditors' Vox
Tracking Heat Gains and Losses in the Nordic Seas
The Nordic Seas experience influxes of warm water and losses of heat to the atmosphere with knock-on effects on sea ice, glacier retreat, and carbon dioxide uptake.
Posted inResearch Spotlights
Diurnal Oxidation for Manganese Minerals in the Arctic Ocean
The relative abundance of different oxidation states for this important micronutrient varies on the basis of how much available sunlight there is.
Posted inResearch Spotlights
River Deltas at the Top of the World
The water that filters through river deltas has a large effect on the Arctic Ocean. A new study explores factors that shape Arctic river deltas and how delta form in turn changes water flow.
Posted inNews
Strong Winds Leave Arctic Regions on Thin Ice
A warming event in Siberia caused winds to strip sea ice from the Arctic’s Wandel Sea.
Posted inEditors' Highlights
Distinguishing Pacific and Atlantic Contributions to the Arctic
A semi-conservative tracer combining nitrate and dissolved oxygen is more accurate than traditional tracers in distinguishing between Atlantic and Pacific water mass contributions to the Arctic.
Posted inEditors' Highlights
Increased Release Rates of Radium Isotopes on Arctic Shelves
A longer ice-free season on Arctic shelves causes an increase in sediment-water interaction.
Posted inScience Updates
Small Rivers Could Have Big Impact on Arctic Ocean
The Mackenzie River carries the bulk of freshwater flow from North America's tundra to the North Atlantic. But what about the effects of smaller rivers from Canada's Arctic islands?