alluvial fan

Examples

• All

• Farmers often choose to cultivate their fields on an alluvial fan because the soil is more fertile due to the sediment deposited by the flowing water.

• The Okavango Delta (figure 1) is one of the largest inland alluvial fans in the world (McCarthy and Ellery 1994).

  Academic text (2009)

• Alluvial fans would have been ideal sites for growing crops during the dry season because they often have more soil moisture.

  Academic text (2002)

• A large pagoda forest grew along the base of the rugged alluvial fan.

  Fiction book (2001)

• The imagery shows an alluvial fan of material washed down from the rim, streaked by many apparent channels, sitting uphill of the new finds.

  Blog text (30)

• Alluvial fans are always younger than the material beneath them, always younger than bedrock slopes along their flanks.

  Academic text (1998)

• The Okavango Delta, Botswana, a giant oasis in the Kalahari Desert of southern Africa, is an immense alluvial fan created by the rivers that drain the highlands of Angola.

  Academic text (2009)

• The river created an alluvial fan as it spread out at the base of the mountain, depositing rich sediment for the surrounding land.

Synonyms

A

alluvial cone

vsalluvial fan

• Specialized

8.1

A wide fan of sand and stones that forms when a fast river slows at a mountain base

is identical in meaning but uses an alternative technical label in practice

How Wide

alluvial plain

• Specialized

1 5.8

bajada

• Specialized

1 9.8

alluvial fan

• Specialized

1 7.5

basin

72 3.1

Surface Forms

Morphology

Etymology