Rains in the desert | Why there are no rains in the deserts

The deserts have always been distinguished by a very arid climate, the amount of precipitation is many times less than the number of fumes. It rains is extremely rare and usually in the form of severe rainfalls. High temperatures increase evaporation, this enhances the dryness of the deserts.

Rains that fall over the desert often evaporate, without even reaching the surface of the earth. A larger percentage of moisture, which enters the surface, evaporates very quickly, only a small part falls into the ground. Water that enters the soil becomes part of the groundwater and moves over huge distances, then comes to the surface and forms a source in an oasis.

Rocks of deserts

The scientists are sure that most deserts can be turned into flowering gardens using irrigation.

However, great care is needed here during the design of irrigation systems in the most arid areas, because there is a great danger of huge loss of moisture from reservoirs and irrigation channels. When water seeps into the ground, there is a raising of the level of groundwater, and this at high temperatures and arid climate contributes to the capillary lifting of groundwater to the undersurface layer of the soil and further evaporation. Salts dissolved in these waters accumulate in the undersurface layer and contribute to its salin.

For the inhabitants of our planet, the problem of turning desert areas into places that will be suitable for human life was always relevant. This issue will be relevant because over the past few hundred years, not only the population of the planet has increased, but also the number of areas occupied by deserts. And attempts to irrigate arid areas until this moment did not lead to tangible results.

This question has long been asked by specialists from the Swiss company Meteo Systems. In 2010, the Swiss scientists carefully analyzed all past mistakes and created a powerful design that causes rain.
Near the city of Al Ain, located in the desert, experts installed 20 ionizers, similar in shape to huge lanterns. In the summer, these installations systematically launched. 70 % of one hundred experiments ended successfully. This is a great result for the settlement unusable water. Now al-ain residents will no longer have to think about moving to more prosperous countries. Fresh water obtained using thunderclines can be easily cleaned, and then used for household needs. And it costs much cheaper than the desalination of salt water.

How do these devices work?

Ions charged with electricity, they are produced in a huge amount of units, are grouped with particles of dust. Parts of dust in the desert air are a huge number. Hot air, heated from hot sands, rises into the atmosphere and delivers ionized dust in the atmosphere. These masses of dust attract water particles, and they overtake themselves with them. And as a result of this process, dusty clouds become rain and return back to the ground in the form of storms and thunderstorms.

Of course, this installation can not be used in all deserts, air humidity for efficient operation should be at least 30%. But the local problem of the shortage of water in the arid territories this installation may well be solved.

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