Scientists believe they have found the world's cleanest air. In a first-of-its-kind study, researchers have identified an atmospheric region that remains unchanged by human activity. It's located over the Southern Ocean, which surrounds Antarctica.
In a first-of-its-kind study of the bioaerosol composition of the Southern Ocean, researchers from Colorado State University identified an atmospheric region which remains unchanged by human activity.Weather and climate are closely linked, connecting each part of the world with other regions. As the climate changes rapidly because of human activity, scientists and researchers struggle to find a corner of the Earth unaffected by people.
Scientists sampled the air in the marine boundary level -- the part of the atmosphere that has direct contact with the ocean -- while aboard a research boat traveling south to the Antarctic ice edge from Tasmania, Australia. Scientists then examined the composition of airborne microbes, which are found in the atmosphere and often dispersed thousands of kilometers by the wind.
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