Sentences with phrase «ancient air»
The phrase "ancient air" refers to the air that has been around for a very long time. It suggests an atmosphere or environment that seems old or deeply rooted in history. Full definition
Data has also been gathered from ice cores that contain ancient air bubbles.
techtimes.com
By analyzing the chemistry of bubbles of ancient air trapped in Antarctic ice, scientists have been able to determine the composition of Earth's atmosphere going back as far as 800,000 years, and they have developed a good understanding of how carbon dioxide levels have varied in the atmosphere since that time.
This liberates ancient air bubbles that were trapped in the ice as it formed from falling snow thousands of years earlier.
Bubbles trapped in ice hold ancient air, giving geoscientists a way to date glacial ice in Antarctica.
A new study shows that as a glacier's ice melts, bubbles of pressurized ancient air escape into the water, leading to noise levels even louder than those beneath rain - pounded seas heaving with 6 - meter waves.
These clues include the earlier spring arrivals of migrating birds, earlier blooming of wildflowers and Washington DC's cherry trees, melting glaciers and icecaps, micro-fossils from cores of mud from the ocean floor, and bubbles of ancient air retrieved from cores of glacial ice.
Researchers examined sediment cores collected from deep beneath the sea and from lakes as well as the tiny bubbles of ancient air trapped inside ice cores taken from Antarctica, Greenland and elsewhere.
The most direct evidence comes from tiny bubbles of ancient air trapped in the vast ice sheets of Antarctica.
Today, however, only a tiny fraction of that ancient air remains, leaving Mars a desiccated wasteland.
Researchers have a record of atmospheric carbon dioxide stretching back millions of years thanks to ice cores from Antarctica, which contain trapped gas bubbles, snapshots of ancient air.
Comparing the global set of temperature records with the levels of CO2 in the ancient air bubbles trapped in ice cores reveals that global average temperatures started to rise at least a century after CO2 levels began to creep up.
Read previous Zoologger columns: The slow - moving mystery of the sloth's neck, How weakness makes the crayfish stronger, The heaviest animal in the air, Ancient air - breathing, triple - jawed fish, Horror fly returns from the dead, Even parasitic worms have a divided society, Shrimp plays chicken with its sex change, Death by world's longest animal, Live birth, evolving before our eyes, Sympathy for the piranha.
Read previous Zoologger columns: How weakness makes the crayfish stronger, The heaviest animal in the air, Ancient air - breathing, triple - jawed fish, Horror fly returns from the dead, Even parasitic worms have a divided society, Shrimp plays chicken with its sex change, Death by world's longest animal, Live birth, evolving before our eyes, Sympathy for the piranha, The world's most fecund vertebrate.
Read previous Zoologger columns: Ancient air - breathing, triple - jawed fish, Horror fly returns from the dead, Even parasitic worms have a divided society, Shrimp plays chicken with its sex change, Death by world's longest animal, Live birth, evolving before our eyes, Sympathy for the piranha, The world's most fecund vertebrate, Whale - eater's helpful sulphur - powered guests, Horror lizard squirts tears of blood.
Read previous Zoologger columns: Lemmings swap suicide for infanticide, The slow - moving mystery of the sloth's neck, How weakness makes the crayfish stronger, The heaviest animal in the air, Ancient air - breathing, triple - jawed fish, Horror fly returns from the dead, Even parasitic worms have a divided society, Shrimp plays chicken with its sex change, Death by world's longest animal, Live birth, evolving before our eyes, Sympathy for the piranha.
The scientists reported online March 28 in Nature that the ancient air may have been less dense than the present - day atmosphere.
The ice layers contain air bubbles, which are like tiny time capsules; using melting chambers and vacuum pumps in the field, researchers are able to extract the ancient air contained within the bubbles.
Because it contains greenhouse gases from a time before human emissions complicated the picture, the ancient air offers scientists clues to future climate patterns.
Mystery, suspense and romance flourish against a backdrop of Civil War turmoil and ancestral strife — where immortality infiltrates the ancient air breathed by all who inhabit Overhome Estate.
it's nickname - sake, they have an ancient air about them.
When the ice from a certain layer is crushed — say, a layer known to be 2,000 years old — tiny bubbles of ancient air are released, the composition of which reflects the composition of the atmosphere 2,000 years ago.
Are you renting an older home with an ancient air conditioner that is not adequately maintained?