Researchers capture oldest ice core ever drilled outside the polar regions
The oldest ice core ever drilled outside the polar regions may contain ice that formed during the Stone Age—more than 600,000 years ago, long before modern humans appeared.
View ArticleScientists log newfound understanding of water's responses to changing...
A team of chemists has uncovered new ways in which frozen water responds to changes in temperature to produce novel formations. Its findings have implications for climate research as well as other...
View ArticleHow Antarctic ice melt can be a tipping point for the planet's climate
Melting of Antarctica's ice can trigger rapid warming on the other side of the planet, according to our new research which details how just such an abrupt climate event happened 30,000 years ago, in...
View ArticleWet and stormy weather lashed California coast... 8,200 years ago
The weather report for California 8,200 years ago was exceptionally wet and stormy.
View ArticleClimate change clues revealed by ice sheet collapse
The rapid decline of ancient ice sheets could help scientists predict the impact of modern-day climate and sea-level change, according to research by the universities of Stirling in Scotland and Tromsø...
View ArticleAncient stone pillars offer clues of comet strike that changed human history
(Phys.org)—A team of researchers with the University of Edinburgh has found what they describe as evidence of a comet striking the Earth at approximately the same time as the onset of the Younger Dryas...
View ArticleSalt concentrations in ice cores could unveil DO events' recipe
It is one thing to know that Earth has already faced abrupt climate changes—also known as Dansgaard–Oeschger (DO) events—in the past. But finding out the reasons for these dramatic and rather short...
View ArticleAbrupt climate change events from the past could help predict the ones ahead
Coping with climate change will already be difficult enough without worrying about Dansgaard-Oescheger (DO) events that could come on top of it. However, their possible occurrence cannot be dismissed:...
View ArticlePredicting unpredictability: Information theory offers new way to read ice cores
At two miles long and five inches in diameter, the West Antarctic Ice Sheet Divide (WAIS) ice core is a tangible record of the last 68,000 years of our planet's climate.
View ArticleTracking the amount of sea ice from the Greenland ice sheet
The Greenland ice sheet records information about Arctic temperature and climate going back to more than 120 000 years ago. But new research from the Niels Bohr Institute among others reveals that the...
View ArticleAcidity in atmosphere minimised to preindustrial levels
New research shows that human pollution of the atmosphere with acid is now almost back to the level that it was before the pollution started with industrialisation in the 1930s. The results come from...
View ArticleNew insights into the dynamics of past climate change
A new study finds that changing climate in the polar regions can affect conditions in the rest of the world far quicker than previously thought.
View ArticleNew study shows influence on climate of fresh water during last ice age
A new study shows how huge influxes of fresh water into the North Atlantic Ocean from icebergs calving off North America during the last ice age had an unexpected effect - they increased the production...
View ArticleNorth–south climate divide: Researchers find 200-year lag between climate...
A new study using evidence from a highly detailed ice core from West Antarctica shows a consistent link between abrupt temperature changes on Greenland and Antarctica during the last ice age, giving...
View ArticleGreenland ice stores liquid water year-round
Researchers at the University of Utah have discovered a new aquifer in the Greenland Ice Sheet that holds liquid water all year long in the otherwise perpetually frozen winter landscape. The aquifer is...
View ArticleNew evidence that cosmic impact caused Younger Dryas extinctions
(Phys.org) —A period of rapid, intense cooling, known as the Younger Dryas, took place about 13,000 years ago. Scientists think this sudden change in climate caused the extinction of many large...
View ArticleDeep ice cores show past Greenland warm period may be 'road map' for...
A new study by an international team of scientists analyzing ice cores from the Greenland ice sheet going back in time more than 100,000 years indicates the last interglacial period may be a good...
View ArticleGreenland ice sheet carries evidence of increased atmospheric acidity
(Phys.org)—Research has shown a decrease in levels of the isotope nitrogen-15 in core samples from Greenland ice starting around the time of the Industrial Revolution. The decrease has been attributed...
View ArticleAn extremely brief reversal of the geomagnetic field, climate variability and...
41,000 years ago, a complete and rapid reversal of the geomagnetic field occured. Magnetic studies of the GFZ German Research Centre for Geosciences on sediment cores from the Black Sea show that...
View ArticleGreenland ice may exaggerate magnitude of 13,000-year-old deep freeze
Ice samples pulled from nearly a mile below the surface of Greenland glaciers have long served as a historical thermometer, adding temperature data to studies of the local conditions up to the Northern...
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