Structure cracked soil ground earth texture on white background desert cracks dry surface arid in drought land floor has many grooves and scratches namibian desert moisture of morning fog contrasts with dried cracked riverbed mud surface of the the world s oldest desert.
Desert floor dried up.
Seedlings of rice plants in arid soil and global warming concept.
We need to drill down into the dried up lake beds that are scattered around the sahara and look at the pollen and seed data and then match that to the archaeological datasets wright said.
Close up on cracked brown dry ground mud.
The lack of vegetation exposes the unprotected surface of the ground to the processes of denudation about one third of the land surface of the world is arid or semi arid this includes much of the polar regions where little precipitation occurs.
A desert is a barren area of landscape where little precipitation occurs and consequently living conditions are hostile for plant and animal life.
Strong winds stoked a wildfire in mountains northeast of los angeles prompting authorities to issue evacuation orders saturday for desert communities that lost some homes a day earlier.