东北地区地温和冻结深度时空特征的细化分析
龚强,晁华,朱玲,蔺娜,于秀晶,刘春生,汪宏宇

Detailed analysis of spatial and temporal characteristics of ground temperature and frost depth in Northeast China
Qiang GONG,Hua CHAO,Ling ZHU,Na LIN,Xiujing YU,Chunsheng LIU,Hongyu WANG
表3 6个代表站最大冻结深度、冻结期线性变化趋势及1987年前后累年平均值的对比
Table 3 Linear variation trend of maximum frost depth and freezing period days at 6 representative stations and comparison of mean annual values before and after 1987
代表站冻结深度冻结期
趋势/[cm?(10a)-11987年前/cm1987年后/cm趋势/[d?(10a)-11987年前/d1987年后/d
大连-7.36237-6.110994
沈阳-4.310587-4.9168148
长春-5.3148126-1.8*197189
哈尔滨-10.2175133-6.6213190
伊春-23.2228145-8.2251227
爱辉-11.0227195-6.2274254