1981-2017年西藏“一江两河”流域5 cm地温及其界限温度时空变化特征

杜军,胡军,尼玛吉,次旺顿珠

Spatial-temporal change of mean soil temperature and its critical temperature at 5 cm depth in the region of the Yarlung Zangbo River and its two tributaries of Tibet during 1981-2017

DU Jun,HU Jun,Nimaji ,Ciwangdunzhu

表3 西藏“一江两河”流域年、季平均5 cm地温年代际距平

Tab. 3 The decade mean anomalies of annual and seasonal soil temperature at 5 cm depth in the region of the Yarlung Zangbo River and its two tributaries of Tibet during 1981-2010

时间段 春季 夏季 秋季 冬季 年 1981-1990年 -0.8 0.0 -0.4 -0.4 -0.4 1991-2000年 0.0 -0.4 -0.1 -0.2 -0.2 2001-2010年 1.0 0.7 0.8 0.6 0.8