Northern Eurasian groundwater in the upper frozen layer distribution rules
Written by Viktor Vasilievich Shepelev;DAI Changlei;ZHANG Yiding;Melnikov Permafrost Institute Siberia Branch of the Russian Academy of Sciences;Institute of Groundwater in Cold Region;Heilongjiang University;School of Hydraulic & Electric-power;Heilongjiang University;
..............page:19-26
Analysis of the glacier landscape research in Southcentral Alaska
Written by David K.Snyder;Dai Changlei;Yang Zhaohui;the University of Alaska-Anchorage;Institute of Groundwater in Cold Region;Heilongjiang University;School of Hydraulic & Electric-power;Heilongjiang University;