There are asymmetric distributions of flux and day evapotranspiration of the region. The current of seasonal change is of a singleapex model, which is lower in winter and higher in summer.

区域各通量和日蒸散量分布极不均匀，表现为四季相差比较大的单峰型变化特征，冬季最小、其次是秋季、夏春两季最大；