黑龙江省土壤冻融期气象要素变化特征

王萍,赵慧颖,闫平,朱海霞,翟墨,李秀芬

Characteristics of changes of meteorological factors during freezing and thawing period in Heilongjiang Province

Ping WANG,Huiying ZHAO,Ping YAN,Haixia ZHU,Mo ZHAI,Xiufen LI

图2 黑龙江省土壤冻结期初日变化趋势

Fig.2 Variation of first day of soil freezing in Heilongjiang Province