Predicting Change of Groundwater Table in Seasonal Permafrost
LIU Jiashuai
YANG Wenyuan
HAO Peijing
YU Jian
YANG Jinzhong
Abstract：This paper proposed a statistical model to predict groundwater table in seasonal permafrost in Hetao Ir-rigation District of Inner Mongolia. We linked the groundwater table to surface air temperature, and a linear rela-tionship was found between them based on long-term experimental data. This, incombination with a water bal-ance model for non-frozen seasons, provided a modified model to analyze water balance in permafrost. The mod-el parameters were obtained by optimization using data measured in both frozen and non-frozen seasons. Compar-isons between calculated and measured groundwater tables showed that the proposed model is able to predict change of groundwater table in both freezing and thawing seasons reasonably well. The model is simple and accu-rate for practical applications.
Keywords：freezing and thawing periodair temperatureslinear modelimproved water balance modeloptimi-zation
Publication Date：2017-01-01
Online Publishing Date：2026-09-12(First online date of this platform, not the publication date of the document)
Pages：5( 95-99 )