Models produce widely varying estimates of how ecosystems in the northern permafrost region are currently affecting the global greenhouse gas budget.
Modeling
Posted inEditors' Vox
Soil Salinization: A Rising Threat to Ecosystems and Global Food Security
As soil salinization intensifies, it poses serious threats to ecosystems, soil health, global food security and socio-economic stability.
Posted inNews
A Close Asteroid Encounter May Have Once Given Earth a Ring
An unusual concentration of impact craters suggests that they may have been caused by the breakup of an asteroid that created a temporary debris ring around Earth.
Posted inResearch Spotlights
Machine Learning Could Improve Extreme Weather Warnings
A deep learning technique could reduce the error in 10-day weather forecasts by more than 90%, allowing communities to better prepare for extreme events such as heat waves.
Posted inEditors' Highlights
The Delicate Balance of Permafrost in Arctic River Floodplains
To evaluate the vulnerability of permafrost in Arctic floodplain landscapes to warming, scientists explore dynamics of its loss and reformation.
Posted inScience Updates
Simulating Arctic Carbon Emissions in a Warming World
Not all climate models include carbon from thawing permafrost, and those that do often disagree. Scientists are working to better inform models and assess how these crucial materials are simulated.
Posted inNews
A Fuller Great Salt Lake Would Likely Narrow an Environmental Health Gap
Pacific Islander and Hispanic residents of Salt Lake City would benefit most from higher lake levels and reduced dust pollution.
Posted inNews
Heat Moves More Freely Through Warmer Sea Ice Than Scientists Thought
Flowing brines transport heat more effectively than old models showed, potentially changing climate simulations.
Posted inNews
A Pirate River May Be Giving Mount Everest a Boost
Rapid erosion can cause mountains to rise—even the world’s tallest peak.
Posted inResearch Spotlights
The Moon’s Tides Hint at a Melty Lunar Layer
New lunar gravity measurements support the idea that a partially molten mantle layer is sandwiched between the rest of the Moon’s mantle and its core.