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
表2 CERN森林站点不同季节潜在蒸散的变化趋势
Table 2 Trends of potential evapotranspiration in different seasons at the forest sites of the Chinese Ecosystem Research Network (CERN) (mm/a)
春季 夏季 秋季 冬季
PET_PM PET_PT PET_PM PET_PT PET_PM PET_PT PET_PM PET_PT
CBF -1.21 -0.60 -0.65 -0.76 0.06 0.90 -0.67** -0.25**
BJF -1.65 -2.70* -5.74** -7.51** -3.71** -4.28** -0.79** -0.61**
MXF 0.44 1.76 1.71 3.84 -0.47 0.42 0.62 0.84
SNF 0.03 0.46 2.15 3.25 -0.31 -0.05 1.49 2.09
GGF 0.03 0.06 -1.89* -2.24* -0.77 -1.03 -0.30 -0.45
QYF 0.01 -1.36 -1.92 -2.69 -2.28* -3.60** -0.04 -0.90
HTF -0.76 -0.72 2.43 2.81 -0.16 -0.04 0.61 0.44
ALF 2.10 4.26* 0.29 0.88 1.97 3.09* 0.40 2.48*
DHF -0.54 -0.74 0.17 -0.21 -0.65 -0.73 0.29 0.18
HSF -2.35** -2.33* -1.63 -0.85 -1.06 0.42 -0.36 0.62
BNF -2.87* -3.57* -3.21* -4.10* -2.27 -2.91 -1.34 -1.70