Ephemeral streams are a major agent of erosion in desert regions.
This is further explained below.
Generally, A fleeting river or stream In a normal year, an ephemeral stream is one that only has running water during periods of precipitation and for a brief period of time following those periods. The beds of ephemeral streams are always found to be situated above the water table.
In conclusion, Streams that evaporate quickly are the primary cause of soil decomposition in arid climates.
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