Variation features and prediction of the topsoil (0~20-cm) ground temperature of spring in Heilongjiang Province
LI Shuai, WANG Ping, CHEN Li, JIANG Lixia, WANG Liangliang, GONG Lijuan
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2014, (1): 55 -62 .  DOI: 10.7522/j.issn.1000-0240.2014.0007