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News articles about "Oceans"

Three-billion-year-old microfossils include plankton

Carbon, carbon
Spindle shaped inclusions in three billion year old rocks are microfossils of plankton that probably inhabited the oceans around the globe during that time according to an international team of researchers It is surprising to ... - Read More

Life-producing phosphorus carried to Earth by meteorites

Phosphorus, phosphorus, Earth, earth
Scientists may not know for certain whether life exists in outer space but new research from a team of scientists led by a University of South Florida astrobiologist now shows that one key element that ... - Read More

Acceleration of ocean denitrification during deglaciation documented

As ice sheets melted during the deglaciation of the last ice age and global oceans warmed oceanic oxygen levels decreased and denitrification accelerated by 30 to 120 percent a new international study shows creating oxygen ... - Read More

Fast-sinking jellyfish could boost the oceans' uptake of carbon dioxide

Fast, Oceans
The oceans absorb about 25 percent of the carbon dioxide CO2 emitted by human activities Since the industrial revolution they have taken up about half of the human made CO2. Billions of planktonic organisms too ... - Read More

Scientists develop CO2 sequestration technique

Ocean, Carbon, Ocean, carbon
Lawrence Livermore scientists have discovered and demonstrated a new technique to remove and store atmospheric carbon dioxide while generating carbon negative hydrogen and producing alkalinity which can be used to offset ocean acidification The team ... - Read More

Volcanoes cause climate gas concentrations to vary

Gas
Trace gases and aerosols are major factors influencing the climate With the help of highly complex installations such as MIPAS on board of the ENVISAT satellite researchers try to better understand the processes in the ... - Read More

Team wins Cubesat berth to gather Earth energy imbalance measurements

Earth, earth
A team of scientists has won a berth on a tiny satellite to explore one of NASA's most important frontiers in climate studies the imbalance in Earth's energy budget and the extent to which fast ... - Read More

'Dark oxidants' form away from sunlight in lake and ocean depths, underground soils

Ocean, Sunlight, Sunlight, Ocean
Breathing oxygen can be hazardous to your health Share This See Also Extreme Survival Bacteria Fish Geochemistry Earth Science Caving Microorganism Antioxidant Saliva Oxygen Indeed our bodies aren't perfect They make mistakes among them producing ... - Read More

Exploring the saltiness of the ocean to study climate change

Ocean, Climate change, Climate change, Climate, Ocean, climate
Details are emerging from a recent research expedition to the Sub Tropical North Atlantic The objective of the expedition was to study the salt concentration salinity of the upper ocean Scientists aboard the Spanish research ... - Read More

Earth's center is 1,000 degrees hotter than previously thought, synchrotron X-ray experiment shows

X-ray
Scientists have determined the temperature near the Earth's centre to be 6000 degrees Celsius 1000 degrees hotter than in a previous experiment run 20 years ago These measurements confirm geophysical models that the temperature difference ... - Read More

Rethinking early atmospheric oxygen: Possibility of more dynamic biological oxygen cycle on early Earth than previously supposed

Oxygen, Oxygen, oxygen
A research team of biogeochemists at the University of California Riverside has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere arguably the most important biological event in ... - Read More

Ancient Earth crust stored in deep mantle

Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust But decisive evidence for this phenomenon has proven elusive New research from a team including Carnegie's Erik ... - Read More

Ice tubes in polar seas -- 'brinicles' or 'sea stalactites' -- provide clues to origin of life

sea, Ice
Life on Earth may have originated not in warm tropical seas but with weird tubes of ice sometimes called sea stalactites that grow downward into cold seawater near Earth's poles scientists are reporting Their article ... - Read More

Insights into deadly coral bleaching could help preserve reefs: Surprising result from study of 1893 World's Fair corals

Light, Light
Coral reefs are stressed the world over and could be in mortal danger because of climate change But why do some corals die and others not even when exposed to the same environmental conditions Share ... - Read More

Iron in primeval seas rusted by bacteria

Bacteria, bacteria
Researchers from the University of Tübingen have been able to show for the first time how microorganisms contributed to the formation of the world's biggest iron ore deposits The biggest known deposits in South Africa ... - Read More

Geochemical method finds links between terrestrial climate and atmospheric carbon dioxide

Atmospheric
Nearly 34 million years ago   Earth underwent a transformation from a warm high carbon dioxide greenhouse state to a lower CO2 variable climate similar to the modern icehouse world Massive ice sheets grew across ... - Read More

Rivers act as 'horizontal cooling towers' for power plants, study finds

Plants, plants
Running two computer models in tandem scientists from the University of New Hampshire have detailed for the first time how thermoelectric power plants interact with climate hydrology and aquatic ecosystems throughout the northeastern U S ... - Read More

Nitrogen has key role in estimating carbon dioxide emissions from land use change

Emissions
A new global scale modeling study that takes into account nitrogen a key nutrient for plants estimates that carbon emissions from human activities on land were 40 percent higher in the 1990s than in studies ... - Read More

Nitrogen has key role in estimating CO2 emissions from land use change

Emissions
A new global scale modeling study that takes into account nitrogen a key nutrient for plants estimates that carbon emissions from human activities on land were 40 percent higher in the 1990s than in studies ... - Read More

Massive amounts of charcoal enter the worlds' oceans

Oceans
Wild fire residue is washed out of the soil and transported to the sea by rivers Share This See Also Global Warming Geochemistry Forest Climate Environmental Issues Air Quality Sediment Soil science Carbon cycle Activated ... - Read More
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