About 40 percent of interior Alaska is underlain by ice-rich permafrost—permanently frozen grounds made up of soil, gravel and sand—bound together by ice. Certain conditions, such as climate warming, have intensified ...
Earth Sciences
Feb 14, 2023
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42
Global warming is changing the Arctic by causing permafrost thaw, glacier melt, droughts, fires and changes in vegetation. These developments are strongly linked to the energy exchange between land and the atmosphere. Researchers ...
Environment
Oct 31, 2022
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90
Smoke from a Siberian wildfire may have transported enough nitrogen to parts of the Arctic Ocean to amplify a phytoplankton bloom, according to new research from North Carolina State University and the International Research ...
Earth Sciences
Sep 19, 2022
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96
Recent efforts using computational modeling to understand how melting ice in Antarctica will impact the planet's oceans have focused on ice-sheet geometry, fracture, and surface melting—processes that could potentially ...
Earth Sciences
Sep 14, 2022
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415
The brain is the organ that orchestrates all the diverse functions and complex decisions that take place in biological systems. Despite its critical nature, it is equally as fragile: the neurons that make up the brain do ...
Plants & Animals
Apr 27, 2022
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76
The Arctic is warming along with the rest of the planet, and as this is happening, its permafrost—perennially frozen arctic soil that holds a lot of trapped organic matter from dead plants—is thawing. As the permafrost ...
Environment
Mar 25, 2022
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112
In the past 50 years, the Arctic region has been warming three times faster than the average rate of global warming. This warming thaws the permafrost, the permanently frozen Arctic soil. New research published in Nature ...
Environment
Mar 23, 2022
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321
Thawing permafrost in the Arctic does not always have to lead to increased emissions of the greenhouse gas methane. When thawed soil dries up, emissions can decline instead. A new study at the University of Gothenburg demonstrates ...
Environment
Mar 18, 2022
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48
According to a new study, thawing of permafrost due to climate change could expose the Arctic population to much greater concentrations of the invisible, lung cancer-causing gas radon.
Earth Sciences
Feb 8, 2022
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294
When considering the implications of thawing permafrost, our initial worries are likely to turn to the major issue of methane being released into the atmosphere and exacerbating global warming or issues for local communities ...
Earth Sciences
Oct 25, 2021
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377
