Scientists spoke about the true danger that volcanoes can pose to the Earth. The relevant work was carried out by specialists from the United States, representing the University of Colorado at Boulder.
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As it turned out, volcanic ash has a more significant impact on the earth's climate than was previously thought. To obtain such conclusions, scientists analyzed data on the 2014 eruption of the Kelud volcano, which took place on the island of Java in Indonesia. This allowed the creation of a mathematical model demonstrating that ash can remain in the atmosphere for several months or even longer. It is noted that volcanic ash containing significant volumes of sulfur is able to limit the flow of sunlight to the Earth's surface, it remains too heavy to rapidly settle without consequences. In addition, the volcanic plume stores a significant amount of light particles; they can remain in the air for a long time.
In theory, if such particles are stored in the atmosphere for a long time, they risk provoking the destruction of the ozone layer or lead to a darkening of the planet. In addition, after the eruption, they can also help cool it. However, it is not yet clear exactly how the ash clouds affect the climate.