Types of Eroded Rocks and Desert Landforms in Arid Environments

What types of rocks get eroded in a dry environment?

Limestones, arroyos, steep-walled or flat-bottomed canyons, alluvial fans, and bajadas.

What is an alluvial fan?

A cone or fan-shaped deposit of coarse sediments formed where a stream flows from a steep area to a flat area.

What is a bajada?

A broad sloping area formed when multiple alluvial fans merge together.

What are playa lakes?

Lakes that are periodically or perennially flooded, often found in desert regions.

What is a piedmont?

An area where sediments are washed downslope and deposited where water slows on flat desert terrain.

What are the different types of sand dunes?

Barchans, parabolic dunes, transverse dunes, and longitudinal dunes.