OBJECTIVE FORESTRY

Detailed explanation-1: -The Short Answer: Permafrost is any ground that remains completely frozen-32°F (0°C) or colder-for at least two years straight. These permanently frozen grounds are most common in regions with high mountains and in Earth’s higher latitudes-near the North and South Poles.

Detailed explanation-2: -Tundra winters are long, dark, and cold, with mean temperatures below 0°C for six to 10 months of the year. The temperatures are so cold that there is a layer of permanently frozen ground below the surface, called permafrost. This permafrost is a defining characteristic of the tundra biome.

Detailed explanation-3: -Gelisols are soils that are permanently frozen (contain “permafrost”) or contain evidence of permafrost near the soil surface. Gelisols are found in the Arctic and Antarctic, as well as at extremely high elevations.

Detailed explanation-4: -When water freezes or when the temperature of soil drops to or below 0°C (32°F) it is known as frozen ground. Permafrost, or permanently frozen ground, is soil, sand, sediment, or rock bound by ice that remains at or below 0°C (32°F) for at least two years.