With its melting glaciers, thawing permafrost, and floating sea ice that gets tougher to see from its northern shores each summer, Alaska is the poster state for global warming. Things ...

Alaska's shifting climate—from dinosaur-draped bayous to thawing permafrost, receding glaciers, and once-mythic sea ice—is a ...

After storing carbon dioxide for millennia in frozen soil, the Arctic tundra has now become a source of emissions. “Our observations now show that the Arctic tundra, which is experiencing ...

The arctic tundra often lacks sunshine. Summer days last 24 hours, yet the sun remains low on the horizon. During the winter, the opposite occurs, and the entire landscape is dark.

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Part of our team on this expedition has previous field experience with tundra fires, and we know that tussocks can be used as reference points to estimate how much of the soil organic layer was lost ...

It is a soggy hike in because this time of year the tundra is very wet, since the snow has just melted and the soil is still frozen keeping the water from seeping into the ground (Figure 8). Figure 6: ...

Citations S.L. Maes et al. Environmental drivers of increased ecosystem respiration in a warming tundra. Nature. Published online April 17, 2024. Doi: 10.1038/s41586-024-07274-7 ...

The Arctic tundra is a cold, vast wilderness that has served as a carbon sink for a very long time thanks to low temperatures and moist soil. Soils in tundra ecosystems store nearly twice as much ...

Chicago, Feb. 19, 2024 (GLOBE NEWSWIRE) -- Soil monitoring refers to the systematic process of observing, measuring, and analyzing various parameters related to soil health and quality over time ...

Controls on nitrogen nutrient availability in the Arctic tundra Near the top of the world, plants grow on soil that rests atop permafrost, or permanently frozen soil.