下蚀作用
- 网络down-cutting;vertical erosion;downward erosion
下蚀作用-
而砂体垂向叠置的程度与相对湖平面升降、河流的下蚀作用、分流河道的变迁、多物源的沉积交互及盆地沉降与沉积速率的匹配等密切相关。
While the degree of sand body vertical stacked closely related to the relative lake level fluctuation , erosion of the river , vicissitudes of distributary channel , multi-provenance sedimentary interaction , basin subside and sedimentation rate matching .