Researchin the relationship between freezing rock layers and groundwater in cold regions
Viktor V.Shepelev;DAI Changlei;YU Chenggang;Melnikov Permafrost Institute SB RAS;Institute of Groundwater in Cold Region;Heilongjiang University;School of Hydraulic & Electric-power;Heilongjiang University;Daxing’anling Hydrographic Office in Heilongjiang Province;
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Analysis of atmospheric circulation pattern in southcentral Alaska
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;