The Sudans Nile within the Sudans has no significant tributaries. The amount of rainfall increases towards the south. In the north there is the very dry Nubian Desert; in the south there are swamps and rainforest. The Sudans’s rainy season lasts for about three months (July to September) in the north, and up to six months (June to November) in the south. The dry regions are plagued by sandstorms, known as haboob, which can completely block out the sun. In the northern and western semi-desert areas, people rely on the scant rainfall for basic agriculture and many are nomadic, travelling with their
Fog desert ranges allow for maritime winds to settle in specific geographic areas, which is a common theme in fog deserts. The Andes Mountain range is the land form that divides Chile and Peru into inland and coastal regions and allows for the fog desert to form along the Pacific coast. In the Atacama Desert, plant coverage can be as high as 50% in the center fog zone to as low as no life whatsoever above the fog line. Within arid fog deserts with low precipitation levels, fog drip provides the moisture needed for agricultural development. The diverse sections within a fog