Ritual complexes dedicated to Isis were often built around a well or a spring, which was meant to represent the miraculous annual inundation of the Nile.

In the 20th century, the Nile's annual inundation was first greatly checked, and then eliminated entirely, with the construction of the Aswan dams.

However, we are told that parts of this canal still continued to fill in during the Nile's annual inundations.

The farming is based on the annual inundation of the River Nile whilst the other methods can be done all year round.

There are few permanent swamps; but the whole country is low-lying, and liable to annual inundation.

The rich fertile soil came from annual inundations of the Nile River.

The flooding this year is unlike the expected annual inundation that comes with the monsoon season.

In the immediate neighborhood of the Brahmaputra the land is low, and exposed to annual inundation.

The people of Bangladesh, most rural and poor, are used to the annual inundation of their land and homes.

No evidence was found of a fourth wall, which may have collapsed and been washed away during the annual inundation.