The site is free of particles caused by human activity and is located in the Southern Ocean near the Antarctic.
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Colorado State University researcher IThey identified an atmospheric region that remains cleanthat is, it has not been changed by human activity.
This place is in the southern ocean. There is the teacher Sonia Kreidenweis and his team found that the air in the region is least affected by humanity. So it is free of aerosol particles.
Scientists in research Samples of microorganisms in the marine boundary layer, the lower part of the atmosphere that is in direct contact with the ocean. According to genetic analysis, these revealed that they are of marine origin, i. H. They came straight from the sea into the atmosphere.
“The aerosols that control the properties of the clouds in the Southern Ocean are strongly linked to oceanic biological processes, and Antarctica appears to be isolated from the spread of microorganisms in the south and the deposition of nutrients from the southern continents,” said the investigator Co-author of the study in a statement Thomas Hill.
“In general, he suggests that The southern ocean is one of the few places on earth that are minimally affected by anthropogenic activities“He continued.
The researchers concluded that aerosols from distant land masses, such as pollution or emissions from the ground, do not get south and into the air. This is a big difference to other studies on oceans in both the north and the tropics.
This study was published in the journal National Academy of Sciences procedure. And after the World Health Organization (WHO), Air pollution is seen as a global public health crisis that kills seven million people annually.