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Particle pattern reveals how desert dust facilitates ice formation in clouds

Summary by Phys.org
A new study shows that natural dust particles swirling in from faraway deserts can trigger freezing of clouds in Earth's Northern Hemisphere. This subtle mechanism influences how much sunlight clouds reflect and how they produce rain and snow—with major implications for climate projections.

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Atmospheric dust particles from deserts have the ability to cause the formation of ice crystals in clouds in the northern hemisphere of the Earth.

Research compared 35 years of satellite observation and laboratory testing. It directly influences the amount of sunlight reflected into space

·Lima, Peru
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You sometimes see the images of desert dust turning entire cities completely orange-red. New research shows that when the same desert dust enters the atmosphere, it primarily has a freezing effect. It sounds a bit unbelievable, but it's true: the dust currently in the Sahara will be […] Want to know more about science? Read the latest articles on Scientias.nl .

·Middelharnis, Netherlands
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Phys.org broke the news in United Kingdom on Thursday, July 31, 2025.
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