In the Epic of Atrahasis we do in fact read of a reason, and the text there states, "The land became wide and the people became numerous.

在《阿特拉哈西斯》中，我们确实能找到愿意，土地扩大，人口激增。

耶鲁公开课 - 旧约导论课程节选

We also know of a very early Semitic work, the Epic of Atrahasis, in which there's a flood.

我们也听过古老的闪米特人，《阿特拉哈西斯》中大洪水的传说。

耶鲁公开课 - 旧约导论课程节选