The seasonal amplitude of atmospheric CO2 is increasing, partly due to boreal forest responses to warming. Photosynthesis and expansion of boreal forests are shown here to be temperature-limited.
everything atmospheric
Posted inResearch Spotlights
An Extraordinary Winter in the Polar North
An exceptionally strong stratospheric polar vortex coincided with a record-breaking Arctic Oscillation pattern and ozone destruction during the 2019–2020 winter season.
Posted inResearch Spotlights
Gravity Waves Leave Ripples Across a Glowing Night Sky
A thunderstorm made waves on a rare “bright night.”
Posted inEditors' Highlights
The Importance of Wind for the Fate of Volcanic Eruption Columns
A theoretical model coupled to lab experiments on turbulent jets with reversing buoyancy sheds new light on the role of wind in controlling the dynamics of volcanic eruptive columns.
Posted inResearch Spotlights
Modeling Gravity Waves with Machine Learning
Researchers used neural networks to better define the parameterizations necessary for modeling the distribution and characteristics of orographic gravity waves.
Posted inEditors' Highlights
Citizen Scientists Observe Mysterious Green Streaks Below STEVE
Citizen scientists provided images of sub-auroral STEVE (Strong Thermal Emission Velocity Enhancements) showing fine-scale green features with narrow streaks propagating poleward toward STEVE.
Posted inEditors' Vox
Advancing Knowledge of ENSO in a Changing Climate
A new book highlights research progress on El Niño Southern Oscillation dynamics and impacts and how they may change in a warmer world.
Posted inEditors' Highlights
Abrupt Climate Shifts Change the Latitudes of Storm Activity
A new 6500-year construction of storms combined with other paleo-storm records finds abrupt changes in the Atlantic Ocean circulation impact the latitudinal preference of storm activity.
Posted inResearch Spotlights
New Insights into Uncertainties About Earth’s Rising Temperature
A comparison of climate models finds that much of the variation in their predictions of global warming arises from differences in how they simulate the response of convective processes to warming.
Posted inScience Updates
Reaching Consensus on Assessments of Ocean Acidification Trends
Scientists are working to establish a common methodology for evaluating rates of change in—and the various mechanisms that affect—acidification across ocean environments.