农田下垫面观测通量的变化特征及其气候学足迹分析

朱明佳^1,², 赵谦益¹, 刘绍民^1,^*, 徐同仁¹

Analysis of the Characteristics of Turbulent Flux and Its Footprint Climatology at An Agricultural Site

Zhu Mingjia^1,², Zhao Qianyi¹, Liu Shaomin¹, Xu Ziwei¹, Xu Tongren¹

图8 日尺度的观测通量源区等值线绿色、蓝色和红色分别代表50%、70%、90%通量贡献率范围,x,y分别为距观测点图中黑色圆点,即0,0点的东西、南北距离,下同
Fig.8 Source areas of flux measurement at daily scale contour : green, blue, red denotes 50%、70%、90% footprint contribution, x,y represents the east-west and north-north distance from the observation station, respectively