How does the Zambezi River form its delta in Mozambique?

At its mouth in Mozambique, the Zambezi River forms a wide, flat, and marshy delta that is obstructed by sandbars.1

The delta is characterized by a complex network of channels. The river splits into two primary channels, each of which further divides into two:

• Eastern Channel: This wider branch splits into the Muselo River to the north and the main mouth of the Zambezi to the south.1
• Western Channel: This branch forms the Inhamissengo River and the smaller Melambe River.1

Additionally, north of the main delta, the Chinde River separates from the main stream, providing a navigable channel that leads to a shallow harbour.1