Wind and solar power stations in the Sahara will help improve the climatic conditions of the desert
Source: Image: Jgremillot
The Sahara desert is one of the most unfavorable places on earth for living. Harsh conditions can withstand only a few living things, including humans. But there is no talk of prosperity here, rather we are talking about survival. Nevertheless, the winds in the Sahara are strong enough, not to mention the level of insolation. According to some scientists, the peculiarities of the region's climate make it possible to deploy a large number of power stations in the desert, the basis of which is wind and sun.
And the more they are there, the more favorable climate conditions (of course, first of all, for humans) can become. It is about increasing the amount of precipitation and reducing the temperature extremes in the region. If we start to master the Sahara from the point of view of energy, then from 2050 it will give about 50% of the energy that the population of the Earth will need at this time.
were published. in the latest issue of Science.
The University team developed a climate model taking into account temperature, precipitation and biomass production. The model covers a region of 9 million square kilometers. This is only 0.1% of the total area of the desert. The main role in this model is assigned to solar and wind power plants.
According to scientists, if you place power plants on this area, they will produce about four times more electricity than required by mankind in 2017. As mentioned above, university experts believe that the region will be more favorable for living - temperature fluctuations are leveled, there will be more precipitation, which will allow increasing the volumes of biomass production by farmers.
"The results of our experiments confirm the assumption that with the increase in wind and solar power stations in the Sahara, the climatic conditions of the region will improve. In addition to energy production, the desert will be able to produce agricultural products, albeit if the equipment is installed on a fairly large area. Thus, alternative energy can give an unexpected favorable effect, "the developers of the project comment on their model.
Wind power stations under the condition of a sufficiently large number of them can change the usual paths of atmospheric masses. Solar farms, at the same time, will make the region more humid due to a reduction in the surface albedo. As a result, the amount of precipitation in the Sahara can be doubled, which will contribute to the improvement of plant growth and the overall increase in biomass.
Unfortunately, the model of scientists did not provide for a "practicality check", but is only an ideal situation. How much will production and placement of equipment cost 0.1% of the Sahara area and what economic effect it can give - is still unknown. Nevertheless, it is possible to calculate all this, and then it will be clear whether the model is real or it is pure fiction.
Whatever it was, but to bring the Sahara back to the past, figuratively speaking, when it was green and had a large number of water sources, many would like to.
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