Satellite measurements of atmospheric carbon dioxide provide insights into how droughts and floods influence the carbon cycle on the semiarid continent of Australia.
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Iron Fertilization Might Not Make Oceans Better Carbon Sinks
New research suggests more iron during the last ice age did not mean more algae production in the equatorial Pacific, pointing to possible futility of a controversial geoengineering idea.
Posted inResearch Spotlights
The Forgotten Water Vapor at High Altitudes
Scientists find that estimations of high-altitude atmospheric water, critical for the greenhouse effect, are not as accurate as previously thought.
Posted inResearch Spotlights
Methyl Chloride Can Track Tropical Air in the Lower Stratosphere
A new study shows that trace gas samples collected aboard commercial airliners can be used to determine the origin and dynamics of atmospheric air masses.
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Mercury in Rain Increasing in Western and Central United States
Despite tightening emissions rules, mercury concentrations are rising in rainfall wetting western and central regions of the United States. The pollutant may waft in from Asia, scientists speculate.
Posted inResearch Spotlights
Could Thinning of High Clouds Combat Climate Change?
A climate engineering technique that lets more heat escape from the atmosphere could avoid water cycle suppression associated with other radiation management approaches.
Posted inResearch Spotlights
Trace Gas Exchange Offers Key Insight into Atmospheric Processes
Eddy covariance fluxes provide insight into interactions of emissions, chemistry, deposition, and transport in the atmosphere.
Posted inScience Updates
The Importance of Atmospheric Nutrients in the Earth System
Aerosol Impacts on Global Biogeochemical Cycles; Leeds, United Kingdom, 8 July 2015
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Scientists Discover a New Source of Atmospheric Carbon Dioxide
In an African region where continental crust is pulling apart and fracturing—the East African Rift zone—the area's many faults are slowly releasing a large amount of carbon dioxide.
Posted inResearch Spotlights
What Triggers Intraseasonal Oscillations in the Indian Ocean?
A new modeling study suggests that the triggering of the Madden-Julian Oscillation is dominated by interactions with preceding events.