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Water migration and ice segregation in the transition zone between thawed and frozen soil
Author(s) -
Solomatin V. I.,
Xu Xiaozu
Publication year - 1994
Publication title -
permafrost and periglacial processes
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.867
H-Index - 76
eISSN - 1099-1530
pISSN - 1045-6740
DOI - 10.1002/ppp.3430050307
Subject(s) - permafrost , layering , geology , water table , snow , table (database) , geomorphology , mineralogy , soil science , groundwater , geotechnical engineering , oceanography , botany , computer science , data mining , biology
Samples of silty clay were kept under constant boundary temperature conditions of +1°C (top) and −1°C (bottom) in a series of cold room laboratory experiments. Water migration and ice enrichment near the permafrost table were observed in all samples. Cryogenic layering was observed in soil layers with boundary temperature conditions of −0.5 to −1.0°C. These results confirm earlier observations which explain the occurrence of an ice‐rich layer near the permafrost table, and they may be used to explain the influence of snow cover on isotopic composition of near‐surface ground water and ice.