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vendredi 21 août 2015

How An Oasis Water Source Is Derived

By Nancy Gardner


Water is one of the primary needs of humans in order to survive. You need this in order to supply your body with the right amount it needs, and to wash your body, clothes, things, and food thoroughly. For people living near bodies of water, getting this is not at all a problem. You can just readily take how much you need and you get what you need.

Just like for example in the desert. This place is purely sand. Wherever you look at or wherever you reach, you will see nothing but sand, no rivers, no springs, no lakes, no sea, nor any kind of body of water. But make no mistake. Even without those, you can still obtain water in the desert and that is through the oasis water source.

Existing rivers also help in the formation of oases since they form underground aquifers which tend to create an opening in an area in a desert. But other than that, forces above ground such as rains, natural environment and other existing water bodies also help in the creation. Some geological elements also influence how this feature gets its water.

Rocks below the earths surface basically help trap as well as channel H2O into pockets and then gather it into the fault lines. While there are also several kinds of rock which are capable of containing and letting H2O pass through, thus facilitating the creation as well as the maintenance of an oasis in the desert. While if the aquifer underground does not have enough pressure to break through the surface, a well can be made.

And just as he expected, when he had dug deep enough, he felt damp under his feet. So he dug more and more. And alas, there was water. That was when I first encountered the term oasis. This is actually a term used to describe a place in the desert where you can obtain water. So it literally is underground. Just like on land, you have underground water sources too.

While the procedure of a naturally made oasis formed from underground rivers or aquifers like that of an artesian aquifer. This is when water reaches the surface in a natural way through pressure. While other factors like brief thunderstorms also provide subterranean water in order to maintain the nature made oases.

Examples of some deserts are Ghadames, Awjila, and Kufra which are situated in Libya today. Now, you might wonder how there could be plants in this area when the land here is sand and barren. Well this has something to do with the natural factors. Since water can be found in the place, animals also come visiting like birds, and other animals which carry along with them seeds.

But even if this is caused in a natural way, humans still need to manage the land in order to grow a better yield. Fields must be irrigated in order to grow plants such as olives, apricots, figs, and dates. But the most important plant to ever grow in this area is the palm date. This usually forms in the upper layer and shades smaller trees and plants forming in the middle layer.

That is why there is already the distillation process whereby filtering is done until the safest is produced. But the healthiest is water coming from nature because the nutrients are intact. However, if you are still not that sure, then boil it for safety purposes.




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