Researchers from University of California describe findings in atmospheric physics.

Physics Week | July 7, 2009 | Copyright

According to a study from the United States, "Atmospheric mineral dust particles can alter cloud properties and thus climate by acting as cloud condensation nuclei (CCN) that form cloud droplets. The CCN activation properties of various calcium mineral dust particles were studied experimentally to investigate the consequences of field observations showing the segregation of sulphate from nitrate and chloride between individual aged Asian dust particles, and the enrichment of oxalic acid in Asian dust."

"Each mineral's observed apparent hygroscopicity was primarily ...

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