1998—2017年中国典型森林生态系统潜在蒸散的变化趋势及成因
孙婉馨, 张黎, 任小丽, 何洪林, 吕妍, 牛忠恩, 常清青

Trends and influencing factors of potential evapotranspiration in typical forest ecosystems of China during 1998-2017
Wanxin SUN, Li ZHANG, Xiaoli REN, Honglin HE, Yan LÜ, Zhongen NIU, Qingqing CHANG
图2 CERN森林站点潜在蒸散年总量的多年平均值(a)及变化趋势(b)
注:*表示回归系数通过0.05显著性水平的F检验;**表示回归系数通过0.01显著性水平的F检验。
Figure 2 Multi-year mean (a) and trends (b) of annual potential evapotranspiration at the forest sites of the Chinese Ecosystem Research Network (CERN)