Tracers reveal hidden rivers beneath ice-sheet
Artificial gas tracers pumped into water at the surface of the Greenland ice sheet have revealed a hidden network of rivers flowing beneath it.
Artificial gas tracers pumped into water at the surface of the Greenland ice sheet have revealed a hidden network of rivers flowing beneath it.
Earth Sciences
Mar 12, 2013
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Stronger snowfall increases future ice discharge from Antarctica. Global warming leads to more precipitation as warmer air holds more moisture – hence earlier research suggested the Antarctic ice sheet might grow under ...
Earth Sciences
Dec 12, 2012
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(PhysOrg.com) -- Lakes in Antarctica, concealed under miles of ice, require scientists to come up with creative ways to identify and analyze these hidden features. Now, researchers using space-based lasers on a NASA satellite ...
Earth Sciences
Aug 25, 2009
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Viewed from the Voyager 1 space probe as it passed beyond the edge of the solar system, Earth and Venus might not look too different—same diameter, similar mass and distance from the sun.
Earth Sciences
Oct 17, 2023
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When and how humans first settled in the Americas is a subject of considerable controversy. In the 20th century, archaeologists believed that humans reached the North American interior no earlier than around 14,000 years ...
Archaeology
Oct 8, 2023
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Norwegian and Estonian researchers have developed a method to map hidden meltwater paths in glaciers. Having a better understanding of how water moves inside and under the glaciers helps to better predict the motion, melting ...
Earth Sciences
Apr 3, 2023
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A Belgian-Dutch team of scientists has created the first-ever "treasure map" that shows where in Antarctica meteorites are likely to be found. Meteorites are chunks of stone-like material that can be found on the surface ...
Planetary Sciences
Apr 1, 2022
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Scientists can now measure ice flow in Antarctica in far more detail, thanks to the help of a new satellite technology.
Earth Sciences
Dec 19, 2018
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An ice bridge that was part of a glacier at the tip of Argentina has collapsed in the dead of night, thwarting thousands of tourists who had hoped to watch the spectacle.
Earth Sciences
Mar 13, 2018
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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 meltwater and subglacial ...
Earth Sciences
Apr 28, 2016
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