后来，分流可再次改变河道，把它的负荷沉积在原来废弃的较老的河口附近。
Subsequently, a distributary may again change course to debouch its load near the mouth of its older, abandoned channel.
建立了侧积体沉积迭式：平面以废弃河道拐点为轨迹交点，向废弃河道方向曲率逐渐减小，终止于废弃河道。
The pattern of sand deposition is established. The abandoned channel track cross on inflection point. Curvature of the lateral acceleration gradually decreases and ends at the abandoned channel.
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