A combined team of geochemists from Woods Hole Oceanographic Institution and California Institute of Technology has found evidence of high levels of helium-3 in rocks on Baffin Island—possible evidence that the Earth's ...
A new study led by University of Arizona researchers may have solved two mysteries that have long puzzled paleo-climate experts: Where did the ice sheets that rang in the last ice age more than 100,000 years ago come from, ...
Earth Sciences
Jun 24, 2022
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2607
Nearly one quarter of the land in the Northern Hemisphere, amounting to some 9 million square miles, is layered with permafrost—soil, sediment, and rocks that are frozen solid for years at a time. Vast stretches of permafrost ...
Earth Sciences
Apr 28, 2021
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1509
Taking advantage of unique properties of sediments from the bottom of Sawtooth Lake in the Canadian High Arctic, climate scientists have extended the record of Atlantic sea-surface temperature from about 100 to 2,900 years, ...
Environment
Oct 14, 2020
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631
A large number of the valley networks scarring Mars's surface were carved by water melting beneath glacial ice, not by free-flowing rivers as previously thought, according to new UBC research published today in Nature Geoscience. ...
Space Exploration
Aug 3, 2020
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2536
(Phys.org) —A team of researchers from the University of Alberta led by, Catherine La Farge, has found that mosses and liverworts covered by ice over 400 years ago and now exposed due to glacial melting, are able to start ...
The global climate is changing and the Arctic is warming rapidly. These are objectively true statements that most people have come to accept.
Ecology
Sep 1, 2023
0
60
Arctic wetlands are known emitters of the strong greenhouse gas methane (CH4). Well-drained soils on the other hand remove methane from the atmosphere. In the Arctic and boreal biomes, well drained upland soils with a high ...
Earth Sciences
Aug 31, 2023
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30
A team of biologists and aquatic researchers from Suffolk University, Arctic Aquatic Research Division, Fisheries and Oceans Canada, and the Greenland Institute of Natural Resources has found evidence suggesting that female ...
Scientists at the University of Texas Institute for Geophysics (UTIG) have developed a radar technique that lets them image hidden features within the upper few feet of ice sheets. The researchers behind the technique said ...
Earth Sciences
Jul 13, 2023
0
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