Using data from the European Space Agency's Swarm mission, scientists find that abrupt drops in the ionosphere's electron density may cause low-orbiting satellites to lose contact with GPS satellites
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Posted inResearch Spotlights
What Drives Variation in the Ionosphere’s Electron Density?
The long-term trend in the electron density of the ionospheric F layer may be natural, not man-made.
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.
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Air-Sea Interactions Influence Major Southern Wind Belt
Ocean and atmospheric data provide evidence for how sea surface temperatures affect the Southern Annular Mode.
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Atmospheric Chemists Should Tackle Risks to Society, Report Says
Protecting public health and the health of the climate and ecosystems warrants more focus from this scientific field, according to the report.
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Incorporating 3-D Cloud Effects into Weather and Climate Models
Researchers explain how a new radiative scheme can be incorporated into global weather and climate models to better capture the effect of clouds on climate.
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How Sea Surface Temperatures Affect an Atmospheric Phenomenon
New research sheds light on the complex interplay between the atmosphere and the ocean and how both affect the Madden-Julian Oscillation.
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Scientists Map Temperature and Density in Earth’s Exosphere
Data from multiple orbiters give a clearer picture of how density and temperature interact and what that could mean for future satellite missions.
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Does Water Vapor from Volcanic Eruptions Cause Climate Warming?
By studying past volcanic eruptions, scientists find that the amount of water vapor reaching the stratosphere during moderately explosive eruptions may not be contributing to the greenhouse effect.
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Tracking Ions at the Edge of the Atmosphere
The first results from a recently launched satellite hold promise for studying solar storms, the very top of Earth's ionosphere, and how the atmosphere is evolving.