jeudi 20 août 2015

The Wonder Of An Oasis Water Source

By Nancy Gardner


An oasis is an area in the desert which contains a water source. Because of this, it is possible to survive in the barren land. Because of this, trade routes are established in locations that pass through this. But other than being a location where you can get water, some oases are big and capable enough to become an ecosystem where plants and animals thrive.

However, you might be curious about how places which do not have existing streams, rivers, lakes, and springs can do without their presence. Just like the desert for example. This land is all sand and is dry due to the scorching heat of the sun. But people can still find a habitat in these places. This is actually because of oasis water source.

I read an article about this back in my elementary years. A passing traveller in the desert got lost along the way and had come roaming around the place instead. And so because of that, he had consumed all the water he had and because of the extreme heat of the day, he quickly became thirsty since the water in his body is fast evaporating.

That is why en route, passing travelers stop by an oasis in order to refill their water containers for the rest of the journey. But aside from that, they also feel the need to cool off with a refreshing bath and rest under the shades of the trees. This is how needed oases are in the desert. For such reason, it is often under political or military control.

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.

For the man made wells, generations of people have taken responsibility for their preservation and this is the reason why you can still benefit from them when you happen to come across the desert. Actually, these features have been of critical importance for trade as well as transportation routes. That is why political or military control has been the common engagements.

There are also impermeable rocks as well as stones which trap H2O and keep it in pockets until it accumulates and reaches the surface. Because of this, birds come drinking and dropping some seeds into the area, oases then grow trees. This is how the area eventually yields vegetation and some plants. Usually, these grow by the edge of the oasis.

When they do, the seeds drop and the natural cause of growing plants take place. People could also plant crops which are suitable for the area. Fields must be irrigated to grow species like dates, apricots, figs, and olives. While the most important plant in this area is the date palm and this usually forms the upper 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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