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低纬度地区干旱的发展，尤其是北非巨大的成片陆地是一个带有广泛古气候意义的复杂问题、目前非洲干旱的发展有两种不同的模式。一种观点是湿润／干旱循环直接与通过北非加热形成的非洲季风的目射作用和陆一海气压对比结果联系在一起。这些循环首先出现在地球轨道运动距今23ha
Drought development in low latitudes, especially in North Africa, is a complex problem with widespread paleoclimatic implications. There are currently two different modes of development for drought in Africa. One view is that the wetting / drought cycle is directly linked to the catastrophic role of the African monsoon formed by heating in North Africa and the air-sea pressure contrast of Luyihai. These cycles first appeared in 23ha orbit of Earth’s orbit