Scientists have announced changes in the clouds over Antarctica that could affect the Earth's climate

20 April 2022, 22:32 | Technologies
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Scientists from the University of Washington have announced that the clouds that form over Antarctica, there are processes due to which more sunlight penetrates the Earth.. This is important for models that predict further climate change on our planet, according to Science alert..

Using simulations, satellite imagery and cloud flyby data, scientists have determined the process of " This means that ice particles collide with supercooled water droplets and then break them apart, creating many ice shards..

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The technical term for this process is Hallett-Mossop hoarfrost breakdown.. It darkens the clouds, reducing the amount of sunlight that is reflected back into space and letting more of it down..

According to scientists, in clouds at temperatures from -3 to -8 degrees Celsius, up to 10 watts of energy per square meter can flow down to the ocean.. Ice formation within these clouds is very efficient and the resulting ice can also fall into the ocean very quickly.. This reduces the amount of water in the clouds and changes some of their key characteristics in terms of reflectivity..

What happens inside the clouds also affects their shape, which in turn affects their ability to influence the ocean below them.. All these factors must be taken into account when building models of further climate change..

February is the middle of summer in Antarctica, at which time up to 90% of the sky is covered with clouds. A quarter of these clouds are of the type described in the new study..

At the moment, only some models of global climate change take into account the splitting of hoarfrost Hallett-Mossop. The authors of the new study believe that this needs to be changed, which will provide a more detailed understanding of how the Earth's climate is changing in its various ecosystems..

Previously, scientists conducted a study that showed that rain will soon replace snowfall as the most common type of precipitation in the Arctic.. This will happen due to climate change and the heating of the northern polar region of our planet..




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