Deep cracks in the ice may provide insight into glacier decay and help predict sea level rise.
Climate Change
Posted inResearch Spotlights
After a Century, Restored Wetlands May Still Be a Carbon Source
Methane emissions can drastically lower, or even reverse, the benefits of carbon sequestration in restored wetlands, according to new measurements from the Sacramento–San Joaquin Delta.
Posted inNews
Florida Mayors Spotlight Climate Change as U.S. Election Issue
In the run-up to presidential primaries today in Florida, a bipartisan group of mayors there raised the issue by convincing moderators to pose questions about it in national debates and in other ways.
Posted inResearch Spotlights
Moored Ocean Buoy Tracks Marine Carbon Cycle Variations
Years of data from a North Pacific ocean station show that the ocean's ability to pull carbon out of the atmosphere is controlled by biological and physical processes that change between seasons.
Posted inScience Updates
How Will Sea Ice Loss Affect the Greenland Ice Sheet?
On the Puzzling Features of Greenland Ice-Core Isotopic Composition; Copenhagen, Denmark, 26–28 October 2015
Posted inResearch Spotlights
Permafrost Area Is Sensitive to Key Soil and Snow Physics
Accounting for key soil and snow variables shows a much higher impact on simulated permafrost area than uncertainties in land cover and climate data.
Posted inScience Updates
Predicting Intraseasonal to Seasonal Climate Variation
Tropical Precipitation System Workshop 2015; Yokohama, Japan, 3–4 September 2015
Posted inNews
Scientists Find the Point of No Return for Antarctic Ice Cap
Varying amounts of glacial debris in a core of ancient sediment show the ice cover grew and shrank until airborne carbon dioxide levels fell below 600 parts per million, spurring steady growth.
Posted inResearch Spotlights
Bark Beetles Cause Big Tree Die-Offs, but Streams Flow Steadily
Recent beetle epidemics have driven tree die-offs across North America, and previous studies predicted an increase in annual streamflow would follow—but a new study shows this may not be the case.
Posted inResearch Spotlights
At the Intersection of Ice and Water
Scientists observe ice dynamics in water-terminating glaciers around the world to better understand how the process of subaqueous melt drives ice loss.