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UrduResearchers at Washington University in St. Louis are first to quantify the effect of dark brown carbon on snow melt.
Tag: Black Carbon
Wash U researchers quantify solar absorption by black carbon in fire clouds
Aerosol scientists at Washington University in St. Louis quantify the extent of light absorption by black carbon in fire clouds to better model climate impacts of extreme wildfire events.
‘Roving sentinels’ discover new air pollution sources
Google Street View cars equipped with instrumentation sampled air quality at a scale fine enough to capture variations within neighborhoods in the Salt Lake Valley. A new atmospheric modeling method, combined with these mobile observations, can be used to identify pollution emission sources in many cities.
South Asian Black carbon aerosols accelerate loss of glacial mass over the Tibetan plateau
Black carbon aerosols are produced by the incomplete combustion of fossil fuels and biomass, and are characterized by strong light absorption.
Empowering a Neighborhood to Breathe Easy
Companies like Purple Air and IQAir, with air pollution sensors that cost under $300, have brought air quality monitoring to the masses. But when Lawrence Berkeley National Laboratory scientist Tom Kirchstetter looked at Purple Air’s map last year during wildfire season, he noticed a big hole in Richmond, a city of 110,000 to the north of Berkeley.
Soot Particles Vary in How They Soak Up the Sun
Soot in the atmosphere absorbs sunlight, warming the Earth’s atmosphere. This analysis shows that soot particles’ shape and composition can vary significantly. This creates discrepancies between real-world observations and predictions from models. This research used measurement and modeling to provide a framework that explains variation in atmospheric soot.
Nuclear War Could Trigger Big El Niño and Decrease Seafood
A nuclear war could trigger an unprecedented El Niño-like warming episode in the equatorial Pacific Ocean, slashing algal populations by 40 percent and likely lowering the fish catch, according to a Rutgers-led study. The research, published in the journal Communications Earth & Environment, shows that turning to the oceans for food if land-based farming fails after a nuclear war is unlikely to be a successful strategy – at least in the equatorial Pacific.
Rutgers Legal Expert Available to Discuss Environmental, Climate Change Priorities
New Brunswick, N.J. (Jan. 21, 2021) – Rutgers University Professor Cymie R. Payne, an expert on United States and international environmental laws, is available for interviews on how the administration of President Biden can strengthen laws and regulations and efforts to…
Dust Dampens Albedo Effect, Spurs Snowmelt in the Heights of the Himalayas
Dust blowing onto high mountains in the western Himalayas is a bigger factor than previously thought in hastening the melting of snow there, researchers show in a study published Oct. 5 in Nature Climate Change. That’s because dust – lots of it in the Himalayas – absorbs sunlight, heating the snow that surrounds it.
Soot may only be half the problem when it comes to cookstoves
Researchers at the McKelvey School of Engineering spent two weeks in India cooking with local residents. They found that soot wasn’t the only worrisome byproduct of traditional cookstoves; organic carbons are causing problems, too.
How much does black carbon contribute to climate warming?
Black carbon particles — more commonly known as soot — absorb heat in the atmosphere. For years, scientists have known that these particles are having an effect on Earth’s warming climate, but measuring their exact effect has proved elusive.
Global Cooling After Nuclear War Would Harm Ocean Life
A nuclear war that cooled Earth could worsen the impact of ocean acidification on corals, clams, oysters and other marine life with shells or skeletons, according to the first study of its kind.
Efforts to improve vehicle fuel efficiency may come at a high cost to the climate, public health
New automotive technology that promises enhanced fuel efficiency may have a serious downside, including significant climate and public health impacts, according to research from the University of Georgia College of Engineering.
Investigation of Oceanic “Black Carbon” Uncovers Mystery in Global Carbon Cycle
An unexpected finding published today in Nature Communications challenges a long-held assumption about the origin of oceanic black carbon, an important element in the global carbon cycle and climate change.