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4 1981—2020年西藏“一江两河”主要农区≥10 ℃界限温度距平的年代际变化
Tab.4 The decadal mean anomalies of ≥10 ℃ boundary temperature in the main agricultural regions of the Brahmaputra River and its two tributaries in Xizang from 1981 to 2020
≥10 ℃界限
温度
1981—1990 1991—2000 2001—2010 2010—2020
初日/d 6 1 0 -1
终日/d -7 -4 2 2
持续日数/d -13 -5 2 3
积温/(℃·d) -181.2 -115.4 37.3 78.1