New answers tagged desert
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Oasis are places where aquifers are connected to the surface. The source of the water in the aquifer however can be hundreds of miles away in areas that do get significant rainfall.
The trick is geologic strat have different properties; some allow water to flow easily, others are very water tight, a water accessible layer covered by a water proof layer ...
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There are two types of oases: natural and human made.
Natural oases form when springs, created when underground aquifers allow fresh water to pool or flow on the ground surface of deserts, creating a fertile region.
A human made oasis occurs when humans create fertile region in a dry or arid region, such as a desert. The supply of water in human made oases ...
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