The temperature conditions of permafrost are known for the southern parts of the territory of eternal permafrost, namely from Petrovsk Transbaikalsky to ST. Skovorodino temperature of permafrost at a depth of 15 m lies from -0.4 to -1 °. For the northern parts of the permafrost region, the temperature of the ever -free layers to a depth of 10-12 m is expressed by numbers of the order of -3, -5 °.
