A new study looks into how air movement in the atmospheric boundary layer affects ozone removal by deciduous forests, which are a significant ozone sink.
Troposphere: composition and chemistry
Posted inEditors' Highlights
Measurements of Ozone-Depleting Chemicals in the Asian Monsoon
New high-altitude aircraft observations identify unexpected high levels of halogen-containing species entering the stratosphere above the summertime Asian monsoon.
Posted inEditors' Highlights
A New Look at Global Lightning from the Space Station
The Lightning Imaging Sensor on the International Space Station provides an expanded view of global lightning that improves scientific understanding of the Earth as well as public safety.
Posted inNews
Did Ozone Loss Cause the End Devonian Mass Extinction?
Ozone loss, perhaps as a consequence of a warming climate, may have been responsible for a catastrophic loss of biodiversity.
Posted inNews
Golden State Blazes Contributed to Atmospheric Carbon Dioxide
A new case study investigates causes and effects of California’s 2017 wildfire season.
Posted inEditors' Highlights
Household Cooking and Heating Affect Health and Climate in China
Black and organic particle emissions have significant impacts on both health and climate, and household cooking and heating activities may contribute substantially to these impacts in China.
Posted inResearch Spotlights
A New Look at Winter Air Quality in the Northeastern U.S.
Past studies underestimated a major pollution source, particularly in rural areas.
Posted inEditors' Highlights
The Long Reach of El Niño’s Broom
Both the El Niño Southern Oscillation and natural variations in tropical Pacific weather conditions impact surface air quality in the Eastern United States.
Posted inNews
Douglas D. Davis (1940–2016)
In labs on the ground and aboard aircraft, Davis shed light on chemical processes in the atmosphere and showed how humans contributed to these processes.
Posted inResearch Spotlights
Atmospheric Particles Aren’t the Same Cloud Seeds They Once Were
Still, more than half of the seeds required for cloud droplets to form in both the present-day and preindustrial atmospheres are made by trace gases that condense to form minute aerosol particles.