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5 1981—2022年西藏“一江两河”主要农区≥10 ℃界限温度的H指数和突变年份
Tab. 5 The H index and mutation years of ≥10 ℃ boundary temperature in the main agricultural regions of the Brahmaputra River and its two tributaries in Xizang from 1981 to 2022
≥10 ℃界限温度各参数 H指数 突变年份
H 等级 持续强度
初日 0.735 较强 1992
终日 0.797 2004
持续日数 0.694 较强 2001
积温 0.905 很强 2004