Frozen soil in nature is a multiphase composite geomaterial consisting of mineral solid particles, ice crystals, unfrozen water, and porous air. In cold regions, the deformation properties of frozen soils with different coarse-grained ...
Earth Sciences
Mar 7, 2023
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33
Scientists have recently revived several large viruses that had been buried in the frozen Siberian ground (permafrost) for tens of thousands of years.
Ecology
Dec 5, 2022
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25
From the window of a NASA Gulfstream III research aircraft, Alaska looks like a pristine wilderness untouched by humans. The land is covered in lush, green vegetation and dotted with bright blue lakes. Snow-capped mountains ...
Earth Sciences
Nov 2, 2022
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56
New research from Colgate University changes our understanding of seasonal thawing in parts of Antarctica, as scientists have learned that summer thawing occurs nearly a month earlier, and stays thawed for a full two months ...
Earth Sciences
Oct 31, 2022
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8
"This lake wasn't here 50 years ago."
Ecology
Sep 22, 2022
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27
Around the planet, ice is rapidly disappearing. From mountain tops, the poles, the seas, and the tundra. As the ice melts, it's exposing new surfaces, new opportunities, and new threats—including valuable mineral deposits, ...
Earth Sciences
Sep 14, 2022
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18
When permafrost thaws, water can flow more quickly through the ground, creating a complex subsurface flow system. Researchers at the Barrow Environmental Observatory in Alaska gained insight into this process by taking daily ...
Environment
Jun 25, 2022
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64
Concrete, with its low cost, good compressive strength, and manufacturing convenience, is one of the most widely used materials in construction. However, with accelerating urbanization, natural aggregates for mixing with ...
Biotechnology
May 24, 2022
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15
It is widely understood that thawing permafrost can lead to significant amounts of methane being released. However, new research shows that in some areas, this release of methane could be a tenth of the amount predicted from ...
Earth Sciences
May 23, 2022
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44
Knowing how tree canopies affect snowpack is a key part of predicting water availability. Despite this importance, hydrologists are still working to accurately quantify how snow "intercepted" by tree canopies affects snowpack. ...
Ecology
Apr 18, 2022
0
40
