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1 西藏“一江两河”流域年、季平均5 cm地温与地理参数的相关系数

Tab. 1 Correlation coefficients between annual and seasonal average soil temperature at 5 cm depth and geographical location (such as longitude, latitude and altitude) in the region of the Yarlung Zangbo and its two tributaries of Tibet

春季 夏季 秋季 冬季 年 经度 0.102 0.024 0.287 0.455 0.214 纬度 -0.421 -0.496 -0.495 -0.185 -0.421 海拔高度 -0.596* -0.514 -0.653* -0.791** -0.661*