Like the Mississippi River delta, the structure of the Eberswalde fan suggests that it grew and altered its shape many times, most likely responding to changes in the flow of its ancient source river.

• 就如同密西西比河的三角洲一般，从厄伯斯华德的扇形，看得出它曾经发育并改变形状很多次，这很可能是因为古代河水源头的水流变化而造成。