There is a great deal of literature on the effects of sand burial upon the survival and growth of desert plants, but the physiological adaption mechanisms of de
The temperature distributions of different parts of a subgrade were analyzed based on the results of three years of monitoring data from the Harbin-Qiqihaer Pas
Two major earthquakes in Alaska, namely the 1964 Great Alaska Earthquake and the 2002 Denali Earthquake, occurred in winter seasons when the ground crust was fr
Using the snow cover fraction(SNC) output from eight WCRP CMIP3 climate models under SRES A2,A1B,and B1 scenarios,the future trend of SNC over East Asia is anal
Railroad operating experience in permafrost conditions has shown that deformations of embankments on thawing foundations last for a long time. After an initial period of heat settlement due to permafr