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News articles about "Atmospheric"

Smothered oceans: Extreme oxygen loss in oceans accompanied past global climate change

Seafloor sediment cores reveal abrupt extensive loss of oxygen in the ocean when ice sheets melted roughly 10 000 17 000 years ago according to a study from the University of California Davis The findings ... - Read More

Ocean could hold key to predicting recurring extreme winters

Research at the National Oceanography Centre NOC may help to predict extreme winters across Europe by identifying the set of environmental conditions that are associated with pairs of severe winters across consecutive years Pairs of ... - Read More

Boston's leaky pipes release high levels of heat-trapping methane

Imagine if every time you filled your car with gas a few gallons didn't make it into the tank and instead spilled onto the ground That's essentially what happens every day with the aging system ... - Read More

Sequestration on shaky ground: Natural impediment to long-term sequestration of carbon dioxide

Carbon sequestration promises to address greenhouse gas emissions by capturing carbon dioxide from the atmosphere and injecting it deep below the Earth's surface where it would permanently solidify into rock The U S Environmental Protection ... - Read More

Giant atmospheric rivers add mass to Antarctica's ice sheet

Extreme weather phenomena called atmospheric rivers were behind intense snowstorms recorded in 2009 and 2011 in East Antarctica The resulting snow accumulation partly offset recent ice loss from the Antarctic ice sheet report researchers from ... - Read More

Voyage from Earth's crust to its mantle and back again

Uranium isotopes leave a distinct 'fingerprint' in the sources of volcanic rocks making it possible to gauge their age and origin Geologists have gained a new understanding of how Earth's crust is recycled back into ... - Read More

Atmospheric rivers, cloud-creating aerosol particles, and california reservoirs

In the midst of the California rainy season scientists are embarking on a field campaign designed to improve the understanding of the natural and human caused phenomena that determine when and how the state gets ... - Read More

Peat fire emissions may shed light on climate change

Wildfires which send hot flames and smoke high into the air create black carbon emissions associated with climate change and risk to human health Carbon emissions from wildfires in the contiguous U S are expected ... - Read More

NASA mountaintop sensor finds high methane over Los Angeles

A NASA study using two years of observations from a novel mountaintop instrument finds that Los Angeles' annual emissions of methane an important greenhouse gas are 18 to 61 percent higher than widely used estimates ... - Read More

NASA, NOAA find 2014 warmest year in modern record

The year 2014 ranks as Earth's warmest since 1880 according to two separate analyses by NASA and National Oceanic and Atmospheric Administration NOAA scientists The 10 warmest years in the instrumental record with the exception ... - Read More

Chemical analysis of ancient rocks reveals earliest record yet of Earth's atmosphere: Isotopic memory of atmospheric persistence

Chemical analysis of some of the world's oldest rocks by an international team led by McGill University researchers has provided the earliest record yet of Earth's atmosphere The results show that the air 4 billion ... - Read More

Did the Anthropocene begin with the nuclear age?

Scientists identify July 16 1945 as key time boundary in Earth history An international group of scientists has proposed a start date for the dawn of the Anthropocene a new chapter in the Earth's geological ... - Read More

Nearly half the systems crucial to stability of planet compromised

Almost half of the processes that are crucial to maintaining the stability of the planet have become dangerously compromised by human activity That is the view of an international team of 18 researchers who provide ... - Read More

Regional patterns of soot, dirt on North American snow discovered

Snow is not as white as it looks Mixed in with the reflective flakes are tiny dark particles of pollution University of Washington scientists recently published the first large scale survey of impurities in North ... - Read More

Cheap asphalt provides 'green' carbon capture

The best material to keep carbon dioxide from natural gas wells from fouling the atmosphere may be a derivative of asphalt according to Rice University scientists The Rice laboratory of chemist James Tour followed up ... - Read More

Deep Space Climate Observatory to provide 'EPIC' views of Earth

NASA has contributed two Earth science instruments for NOAA's space weather observing satellite called the Deep Space Climate Observatory or DSCOVR set to launch in January 2015. One of the instruments called EPIC or Earth ... - Read More

Dirty pool: Soil's large carbon stores could be freed by increased CO2, plant growth

An increase in human made carbon dioxide in the atmosphere could initiate a chain reaction between plants and microorganisms that would unsettle one of the largest carbon reservoirs on the planet soil Researchers based at ... - Read More

Coral reveals long-term link between Pacific winds, global climate

New research indicates that shifts in Pacific trade winds played a key role in twentieth century climate variation a sign that they may again be influencing global temperatures The study led by scientists at the ... - Read More

Study fuels hope for natural gas cars: Metal organic framework candidates for methane storage identified

Cars that run on natural gas are touted as efficient and environmentally friendly but getting enough gas onboard to make them practical is a hurdle A new study led by researchers at Rice University promises ... - Read More

Breakthrough in predictions of pressure-dependent combustion chemical reactions

Researchers at Sandia and Argonne national laboratories have demonstrated for the first time a method to successfully predict pressure dependent chemical reaction rates It's an important breakthrough in combustion and atmospheric chemistry that is expected ... - Read More
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