Tijuana River Wastewater Travels Farther Through Ocean Before Polluting San Diego Air
Researchers discovered that wastewater compounds from the Tijuana River can travel at least 20 miles northward through ocean currents before ...
Tag: Atmospheric Chemistry
Volatile Compounds Drive Most Secondary Organic Aerosols in Los Angeles Air
Atmospheric chemists using a dual-reactor system discovered that higher-volatility organic vapors generate more than two-thirds of secondary organic aerosol formation ...
Microdroplets make hydrogen peroxide, but where it forms is still unresolved
A new Analysis argues that spontaneous hydrogen peroxide formation in aqueous microdroplets is real, but no study has yet definitively ...
VOCs in the Tibetan Plateau and Polar Regions: A Review of Sources, Analysis and Climate Feedback
A new review synthesizes VOC sources, occurrence, analytical methods and climate feedbacks in the Tibetan Plateau and polar regions.
Desert dust from China’s Tengger Desert freezes clouds more efficiently when mixed with ammonium sulfate
Laboratory experiments show that Tengger Desert dust freezes supercooled droplets efficiently, with ammonium sulfate aging raising median freezing temperatures by ...
Paris plume study shows aerosols change as they drift downwind
Measurements in and downwind of Paris show aerosols become more oxidized and optically distinct over two to six hours of ...
Hungarian Tower Captures Ten Years of Carbon Monoxide Exchange Between Land and Air
A ten-year eddy covariance record from a 117-meter tower in western Hungary provides the first long-term regional measurement of carbon ...
Research report: Molecular representation of benzene and phenol secondary organic aerosols
A modeling study expanded benzene and phenol oxidation chemistry and reduced it to 30 reactions for regional air-quality models while ...
Soils on the Roof of the World Are Quietly Rewriting the Plateau’s Air Chemistry
The first integrated quantification of soil reactive nitrogen emissions on the Tibetan Plateau reveals that soils release substantial HONO and ...
Seagrass Meadows and Seaweed Release a Surprising Chemical Cocktail Into Coastal Air
A comparative study of eelgrass, bladderwrack, and gut weed in the Baltic Sea and northeast Atlantic detected 166 biogenic volatile ...
Gentle Winds, Not Calm Air, Sweep the Most Dust From the Sky
Wind-tunnel experiments in Inner Mongolia reveal that fine dust particles settle most efficiently at a gentle breeze of about 2 ...
How Big, Bright Flashes Make More Pollution: Lightning’s Nitrogen Footprint Measured From Space
Combining Europe's new geostationary lightning imager with a dense ground-based mapping array, researchers show that longer, brighter and longer-lasting lightning ...
Tethered Balloons Over Houston Reveal How Air Mass Origins Shape Cloud-Forming Particles
An analysis of 149 tethered balloon flights during the DOE TRACER campaign over Houston reveals how marine, mixed, and urban ...
Balloon-Borne AirCore Soundings Pin Down Stratospheric Lifetimes of Carbonyl Sulfide and Methane
Balloon-borne AirCore measurements across French and Scandinavian latitudes yield stratospheric lifetimes of 69 to 90 years for carbonyl sulfide and ...
Flexible forest molecules turbocharge the birth of atmospheric particles
Quantum chemical simulations by Danish researchers show that three atmospherically observed tricarboxylic acids, especially the flexible pinyl diaterpenylic ester, can ...
Oceans’ Reactive Halogens Enter the World’s Leading Earth System Model
A new release of the Community Earth System Model embeds fifteen years of short-lived halogen chemistry, revealing that reactive chlorine, ...
Iron Isotopes Reveal Hidden Fingerprints of Pollution in the Air We Breathe
A comprehensive new analysis of iron isotopes in desert dust and industrial aerosols overturns the assumption that all anthropogenic iron ...
Scientists Uncover Faster Reaction Between Criegee Intermediates and Water Driven by Roaming Mechanism
In the constantly dynamic theater of Earth’s atmosphere, where countless chemical reactions sculpt the quality of the air we breathe ...
California’s carbon mitigation efforts may be thwarted by climate change itself
UCI study: Higher heat will limit ecosystem's role in removing atmospheric CO2Credit: Shane Coffield / UCI Irvine, Calif., July 22, ...
The weather forecast for Venus
Space-based infrared imaging reveals the nighttime weather on VenusCredit: © 2021 JAXA/Imamura et al. Little is known about the weather ...
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