A new study introduces a parameterization scheme to capture the complex optical properties of atmospheric black carbon, accounting for its mixing state, nonsphericity, and heterogeneous coatings.
aerosols & particles
Posted inResearch Spotlights
Ocean Spray Is Relatively Lifeless
Organic contributions from ocean organisms are sparse in sea spray, helping to clarify predictions of its impact on the climate.
Posted inResearch Spotlights
Atmospheric Effects of Hunga Tonga Eruption Lingered for Years
A new study builds on previous research of the underwater volcano’s effects on the climate.
Posted inResearch Spotlights
Climate Model Simulates Unusually High Heat over the Southern Ocean
U.K. researchers compare HadGEM3-GC3.1 simulations of near-surface air temperatures with those from other state-of-the-art models.
Posted inNews
A Folding Troposphere May Help Drive Cloud Formation
Scientists have observed atmospheric particles forming where the stratosphere folds into the troposphere, a finding that may deepen understanding of precipitation and climate.
Posted inNews
Cloud Brightening Could Have Unintended Effects in a Warming World
New research shows that though marine cloud brightening holds potential to temporarily reduce heat stress regionally, the technique has unpredictable and far-reaching outcomes.
Posted inEditors' Highlights
Buffering by Ammonia Sustains Sulfate Aerosol Production
A new method for evaluating the role of multiphase buffering and acidification reactions on aerosol pH finds that the buffering effect sustains sulfate production from high pH-favored multiphase reactions.
Posted inEditors' Highlights
Biogenic Sources Still Dominate Organic Carbon Aerosol in Europe
Scientists use radiocarbon measurements from Alpine ice to quantify present and past anthropogenic versus biogenic sources of organic carbon aerosols in the European atmosphere.
Posted inScience Updates
An Air Quality Model That Is Evolving with the Times
The pioneering Sulfur Transport and Deposition Model, initially designed to simulate atmospheric sulfur, continues to find new applications and value in environmental science and policymaking.
Posted inNews
Air Pollution Has Masked Climate Change’s Influence on U.S. Rainfall
A study suggests that high levels of aerosol pollution have offset higher precipitation levels caused by a warming climate.