冻结带 meaning in Chinese

frost zone
frozen zone

This paper analyzes on some factors influencing the water accumulation during the soil freezing process , probes into the mechanism of the water and salt migration during the process of water accumulation , and points out that the water accumulation of frozen zone provides the effect of water and salt migration for the hibernating propagation of the forest in the seasons of winter and spring
分析了土壤冻结过程中水分积聚的影响因素,探讨了水分积聚过程中水盐迁移的机理,指出冻结带水分积聚为冬春季林木越冬繁衍提供了水分,同时盐分也随水分迁移到地表。