1981—2022年西藏“一江两河”主要农区农业界限温度变化特征

郭艺楠, 黄志诚, 杜军, 徐薇

Variation characteristics of agricultural boundary temperature in main agricultural regions in basins of the Brahmaputra River and its two tributaries in Xizang from 1981 to 2022

GUO Yinan, HUANG Zhicheng, DU Jun, XU Wei

表2 1981—2022年西藏“一江两河”主要农区各站≥10 ℃界限温度变化趋势

Tab.2 Linear trend of ≥10 ℃ boundary temperature at nine stations in the main agricultural regions of the Brahmaputra River and its two tributaries over Xizang from 1981 to 2022

站点 初日/ [d·（10 a）-1] 终日/ [d·（10 a）-1] 持续日数/[d·（10 a）-1] 积温/ [℃·d·（10 a）-1] 拉孜 -2.60** 3.39** 5.99**** 116.72**** 南木林 -2.54** 3.87** 6.40**** 88.33**** 日喀则 -3.84*** 3.67*** 7.51**** 151.48**** 江孜 -2.88* 8.81**** 11.69**** 174.80**** 泽当 -0.97** 0.93 1.89 52.67* 贡嘎 -0.62 0.41 1.03 29.39 拉萨 -5.37*** 2.52** 7.90**** 155.24**** 尼木 -1.88 0.94 2.82 56.47** 墨竹工卡 -2.11* 5.48*** 7.59**** 130.59****