1977 - 2017年雅江流域中下游大气/地面冻融指数时空变化特征

刘磊, 罗栋梁

Spatial and temporal characteristics of air/ground freezing and thawing index in the middle and lower reaches of the Yarlung Zangbo River during 1977 - 2017

Lei LIU, Dongliang LUO

表4 雅鲁藏布江流域中下游各站点多年负温日数 (d)

Table 4 The number of days with negative air and ground surface temperatures within a year in the middle and lower reaches of the Yarlung Zangbo River， southwest China during 1977 - 2017

站点 波密 林芝 嘉黎 泽当 当雄 拉萨 浪卡子 尼木 江孜 日喀则 拉孜 大气负温日数 25.1 20.0 180.4 34.2 150.0 45.2 117.7 69.4 92.3 77.0 62.5 地面负温日数 4.1 3.4 134.5 19.5 105.3 38.1 75.9 57.6 68.1 65.3 50.0