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.Read More »Geochemistry, Mineralogy, Volcanology
Prevailing nutrient uptake models do not fit Arctic plants. Scientists test a new option that overcomes older models’ shortcomings.Read More »Ocean Sciences
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?Read More »Ocean Sciences
A study of the natural cycle of mercury reveals that humans are to blame for a five- to sixfold increase in the oceanic concentrations of the potentially toxic element.Read More »
