Braided streams are formed by sediment overload leading to multiple channels, often seen in arid regions.
Braided streams have multiple channels splitting and recombining around numerous mid-channel bars. They are found in floodplains with low gradients in areas with near sources of coarse sediment such as trunk streams draining mountains or in front of glaciers.
They can develop in volcanic regions, where explosive eruptions produce large amounts of unconsolidated material that gets washed into streams. Coldwater River next to Mt. St. Helens in Washington State is an example of this.
Braided streams can form when sediment load becomes too much for the stream to transport, resulting in a network of intersecting channels. They are common in arid and semiarid regions with high erosion rates.
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