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4 PET_PMPET_CMA在多年平均值(a)及变化趋势(b)上的比较
Figure 4 Comparison of PET_PM and PET_CMA in multi-year mean (a) and trends (b)