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ozone
Posted inEditors' Highlights
New Estimates of Ozone Transport in Extratropical Cyclones
Cross-tropopause ozone transport in midlatitude cyclones, coincident with dry air intrusions, is derived from satellite and reanalysis data organized in cyclone-centric coordinates.
Posted inNews
Pollution over Southeast Asia May Threaten Ozone Health
Emissions of short-lived chlorine-based chemicals that deplete ozone are increasing worldwide. But over some regions of Asia, these chemicals may be on a fast track to the ozone layer.
Posted inResearch Spotlights
Could Stratospheric Ozone Depletion Make Hadley Cells Expand?
Convection-driven Hadley cells are expanding poleward. Scientists now may have uncovered part of the reason why.
Posted inResearch Spotlights
Including Ozone Complexities in Climate Change Projections
A simplified view of ozone chemistry can cause climate models to overestimate the response of jet streams to increasing greenhouse gases.
Posted inNews
New Way to Gauge Lightning's Role in Ozone Formation
Comparing satellite data on a key airborne ozone precursor to readings from a lightning sensor network reveals how much different types of lightning strokes affect atmospheric ozone chemistry.
Posted inResearch Spotlights
No Evidence for Unknown Source of Ozone Precursor
A study suggests that known combustion and photochemical sources of nitrous acid, a precursor to ground-level ozone, are enough to explain levels seen in the atmosphere.
Posted inNews
Antarctica's Ozone Hole Is Healing, Scientists Say
The ozone hole over Antarctica has shrunk by 16% since its peak in 2000, and some suspect it may disappear entirely by midcentury.
Posted inResearch Spotlights
Chemical Boosts Ozone Production over Southern China
The presence of nitryl chloride in polluted urban air can enhance the production of ozone by up to 41%, according to a new modeling study constrained by ground-based measurements.
Posted inEditors' Vox
Connecting Thunderstorms and Climate Through Ozone
New data links thunderstorms to climate via their impacts on aerosols, ozone, and water vapor in the stratosphere.