Keywords: critical humidity, critical temperature, thermal regime, snow cover, infiltration

// Мелиорация.– 2020. – №1(91) – P 36–43

The features and differences of the formation of a waterproof layer on pens and in the furrow are revealed. It is established that the microrelief significantly affects the depth of the waterproof layer. An assessment was made of the possibility of its occurrence in a warming climate. Recommendations are given to prevent the formation of a waterproof layer