1. Subarctic climates are cold with continuous permafrost and little precipitation. 2. Continuous permafrost covers a surface area of on Chachani, with a total area of.3. The river is surrounded by continuous permafrost . 4. In areas where the mean annual soil surface temperature is below, continuous permafrost forms. 5. Norilsk, Yakutsk, and Vorkuta are the only large cities in the continuous permafrost zone. 6. The northern part of Yukon has continuous permafrost , while it is widespread in the central part. 7. This is the southernmost point in the Northern Hemisphere reached by the circumpolar line of continuous permafrost on any continent. 8. Except for those areas adjacent to warm ocean currents, there is almost always continuous permafrost due to the very cold winters. 9. In Yukon, the zone of continuous permafrost might have moved poleward since 1899, but accurate records only go back 30 years. 10. North of about 60?N latitude is the zone of isolated or sporadic permafrost; continuous permafrost is encountered only north of the ecoregion.
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