Dr.Fujun Niu,graduated from the Xian Engineering University and got his PH.D degree in 1998,and now is a professor in civil engineering at the State Key Laborat
The Elkon Horst is a geological structure that consists of heterogeneous strata with highly variable geocryological and temperature conditions. Gaining accurate knowledge of permafrost distribution pa
Oil wells on the North Slope of Alaska pass through deep deposits of permafrost. The heat transferred during their operation causes localized thawing, resulting in ground subsidence adjacent to the we