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5 西藏“一江两河”流域年、季平均5 cm地温突变年份

Tab. 5 The curve of climate abrupt change for the annual and seasonal average soil temperature at 5 cm depth in the region of the Yarlung Zangbo River and its two tributaries of Tibet during 1981-2017

站点 春季 夏季 秋季 冬季 年 拉孜 1994 2001 1996 1998 1995 南木林 1994 2001 1996 1998 1996 日喀则 1998 / / 1998 2008 尼木 2003 2005 2006 2002 2003 贡嘎 1995 2003 2005 1998 1994 拉萨 2005 / 1994 1994 1994 墨竹工卡 2005 2005 2005 2005 2005 泽当 2007 2008 2007 2006 2007 江孜 2002 2003 2004 1988 2002 流域平均 2004 / 2005 1998 2003