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News About Ice Ages
May 29, 2016
Current atmospheric models underestimate the dirtiness of Arctic air
Tokyo, Japan (SPX) May 27, 2016
Black carbon aerosols - particles of carbon that rise into the atmosphere when biomass, agricultural waste, and fossil fuels are burned in an incomplete way - are important for understanding climate change, as they absorb sunlight, leading to higher atmospheric temperatures, and can also coat Arctic snow with a darker layer, reducing its reflectivity and leading to increased melting. Unfortunately, current simulation models, which combine global climate models with aerosol transport models, consis ... read more

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Virginia Tech researchers in the Antarctic discover new facets of space weather
A team of National Science Foundation (NSF)-supported researchers at the Virginia Polytechnic Institute and State University (Virginia Tech) discovered new evidence about how the Earth's magnetic fi ... more
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A history of snowfall on Greenland, hidden in ancient leaf waxes
The history of Greenland's snowfall is chronicled in an unlikely place: the remains of aquatic plants that died long ago, collecting at the bottom of lakes in horizontal layers that document the pas ... more
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Evidence of repeated rapid retreat of the East Antarctic ice sheet
Research published in the journal Nature on May 19, 2016 has revealed that vast regions of the Totten Glacier in East Antarctica are fundamentally unstable and have contributed significantly to risi ... more
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Will more snow over Antarctica offset rising seas
Many factors related to warming will conspire to raise the planet's oceans over coming decades - thermal expansion of the world's oceans, melting of snow and ice worldwide, and the collapse of massi ... more
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Increased vegetation in the Arctic region may counteract global warming
Climate change creates more shrub vegetation in barren, arctic ecosystems. A study at Lund University in Sweden shows that organisms, such as bacteria and fungi, are triggered to break down particul ... more
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Retreat of the ice followed by millennia of methane release
Scientists have calculated that the present day ice sheets keep vast amounts of climate gas methane in check. Ice sheets are heavy and cold, providing pressure and temperatures that contain methane ... more
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'Sleeping giant' glacier may lift seas two metres: study
A rapidly melting glacier atop East Antarctica is on track to lift oceans at least two metres, and could soon pass a "tipping point" of no return, researchers said Wednesday. ... more
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Shrinking shorebird pays the bill for rapid Arctic warming while wintering in the tropics
Red knots migrate between their breeding grounds in the Arctic and their wintering grounds in West Africa. Chicks currently born under rapidly warming conditions attain smaller sizes before migratio ... more
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Scientists track Greenland's ice melt with seismic waves
Researchers from MIT, Princeton University, and elsewhere have developed a new technique to monitor the seasonal changes in Greenland's ice sheet, using seismic vibrations generated by crashing ocea ... more
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The genetic history of Ice Age Europe
Analyses of ancient DNA from prehistoric humans paint a picture of dramatic population change in Europe from 45,000 to 7,000 years ago, according to a new study led by Howard Hughes Medical Institut ... more
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Influence of sea-ice loss on Arctic warming shaped by Pacific temps
The crucial role that sea-ice loss plays in rapid Arctic warming is regulated by variable climate patterns taking place in the Pacific Ocean, a pioneering new study has found. The Arctic amplificati ... more
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Insulating layer of air above the Greenland ice sheet reduces precipitation
The Earth's climate has been warming, but even though the Greenland ice sheet is melting rapidly in the coastal regions, there are large parts of the ice sheet (40 percent) where there has hardly be ... more
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Study finds ice isn't being lost from Greenland's interior
Scientists studying data from the top of the Greenland ice sheet have discovered that during winter in the center of the world's largest island, temperature inversions and other low-level atmospheri ... more
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What lies beneath West Antarctica
Three recent publications by early career researchers at three different institutions across the country provide the first look into the biogeochemistry, geophysics and geology of Subglacial Lake Wh ... more
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Study finds limit on evaporation to ice sheets, but that may change
Although the coastal regions of the Greenland Ice Sheet are experiencing rapid melting, a significant portion of the interior of that ice sheet has remained stable - but a new study suggests that st ... more
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Ice loss accelerating in Greenland's coastal glaciers
Surface meltwater draining through and underneath Greenland's tidewater glaciers is accelerating their loss of ice mass, according to a Dartmouth study that sheds light on the relationship between m ... more
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Extreme weather linked to high pressure over Greenland
Greenland is one of the fastest-warming regions of the world, according to climate change experts at the University of Sheffield. New research, led by Professor Edward Hanna from the University's De ... more
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Researchers discover fate of melting glacial ice in Greenland
Over the past several decades, scientists have observed a significant increase in the melting of glacial land ice on the island of Greenland, spurring concerns about global sea level rise and the lo ... more
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New maps chart Greenland glaciers' melting risk
Many large glaciers in Greenland are at greater risk of melting from below than previously thought, according to new maps of the seafloor around Greenland created by an international research team. ... more
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Ancient tectonic activity was trigger for ice ages
For hundreds of millions of years, Earth's climate has remained on a fairly even keel, with some dramatic exceptions: Around 80 million years ago, the planet's temperature plummeted, along with carb ... more
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IceBridge Begins Eighth Year of Arctic Flights
Operation IceBridge, NASA's airborne survey of polar ice, completed its first Greenland research flight of 2016 on April 19, kicking off its eighth spring Arctic campaign. This year's science flight ... more
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Nansen gives birth to two icebergs
Multiple satellites, including Europe's Sentinels, have captured images of two large icebergs that broke away from Antarctica's Nansen ice shelf on 7 April. The icebergs are drifting to the northeas ... more
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China spurs ships to use Arctic shipping route: report
China is looking to exploit the Northwest Passage, the fabled short-cut from the Pacific to the Atlantic, state-run media said Wednesday, with the world's biggest trader in goods publishing a shipping guide to the route. ... more
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Satellite images reveal dramatic tropical glacier retreat
Scientists have obtained high resolution satellite images that paint a stark picture of how tropical glaciers in the Pacific have retreated over the past decade. The images taken from the Plea ... more
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