
Eng./Esp.

In geology Permafrost, cryotic soil or permafrost soil, is soil at or below the freezing point of water (0°C or 32°F) for two or more years. The extent of it can vary as the climate changes. Today, a considerable area of the Arctic is covered by Permafrost . https://phys.org/tags/permafrost/

Revegetation in extremely degraded grassland improves permafrost instability on Qinghai-Tibetan plateu.
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NASA fieldwork studies signs of climate change in Arctic and boreal regions.

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Vegetation regulates energy exchange in the Arctic.
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Permafrost emissions must be factored into global climate targets, says study.
Study reveals current state and past changes in frozen ground at Earth’s Third Pole.
Melting Permafrost increases greenhouse gas…
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