New research indicates the cooling effect of rare, large eruptions will increase, whereas the effects of more frequent, smaller eruptions will be reduced.
Atmospheric effects
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 inNews
The Art of Volcanic Ash Modeling 10 Years After Eyjafjallajökull
The ash plumes from the eruption of the Icelandic volcano in 2010 disrupted air travel in Europe for several weeks. Since then, scientists have developed models to mitigate ash’s impacts.
Posted inNews
Sparks May Reveal the Nature of Ash Plumes
In lab experiments and models, researchers uncover how ash can affect the standing shock waves of erupting volcanoes. Their findings may lead to new predictions of volcanic ash hazards.
Posted inResearch Spotlights
Volcano in Iceland Is One of the Largest Sources of Volcanic CO2
High-precision airborne measurements, in combination with atmospheric modeling, suggest that the Katla subglacial caldera may be one of the planet’s biggest sources of volcanic carbon dioxide.
Posted inEditors' Vox
Are We Prepared for the Next Mega Eruption?
The frequency of eruptions with a Volcanic Explosivity Index of 7 is only one or two per thousand years but we cannot afford to be complacent.
Posted inScience Updates
Volcanic Ash Particles Hold Clues to Their History and Effects
Volcanic Ash as an Active Agent in the Earth System (VA3): Combining Models and Experiments; Hamburg, Germany, 12–13 September 2016
Posted inResearch Spotlights
Volcanic Eruptions Stir an Already Complex Atmosphere
A study of Earth's atmospheric response to major volcanic eruptions seeks to reconcile contradictions between observations and climate models.
Posted inNews
Sound Waves Help Scientists Track Volcanic Eruptions
When sound waves hit the ground, they shake seismometers like earthquake waves. Scientists can now use these sound-induced seismic waves to investigate volcanic activity.