Before revision: Aeolian desert systems Satellite image of Sahara UWeather system moving across the Australian desert Loess Plateau near Hunyuan, Shanxi Deserts cover 20 to 25 percent of the modern land surface of the earth, mostly between the latitudes of 10 to 30 degrees north or south.
After revision: Aeolian desert systems Satellite image of Sahara Unsettled Weather system moving across the Australian desert Loess Plateau near Hunyuan, Shanxi Deserts cover 20 to 25 percent of the modern land surface of the earth, mostly between the latitudes of 10 to 30 degrees north or south.