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Загрязнение воздуха может усиливать грозы и молнии
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Ученые рассказали, что усиливает грозы и молнии - Информационно аналитическая интернет газета MK MK UA
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Comment les particules fines dans l atmosphère intensifient-elles les orages?
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MIT researchers have found the reason why aerosols caused more intense thunderstorms in recent research.
The research indicated that, based on their observations of Earth s atmosphere, thunderstorms are often stronger where high concentrations of aerosols are present in a specific area, such as tropical regions.
Up until now, it s been known that aerosols and thunderstorms were somehow connected, however, the reason behind the science was not clear. The researchers drew upon a new mechanism called the “humidity-entrainment , where aerosols increase humidity in the air surrounding clouds.
“It’s possible that, by cleaning up pollution, places might experience fewer storms,” Tim Cronin, assistant professor of atmospheric science at MIT said. “Overall, this provides a way that humans may have a footprint on the climate that we haven’t really appreciated much in the past,” he continued.
Aerosols in the atmosphere may cause tropical thunderstorms to be more severe
Shane McGlaun - Jan 1, 2021, 5:33am CST
Researchers at MIT have been conducting observations of Earth’s atmosphere, looking at aerosols created by natural sources and human activities. According to the results of their observations, thunderstorms are often stronger in the presence of high concentrations of aerosols, which are airborne particles too small to see with the naked eye. The team found that lightning flashes are more frequent along shipping routes where freighters often more emit particles into the air compared to the surrounding ocean.
More intense thunderstorms were also found in the tropics over land where aerosols are elevated by natural sources like forest fires and human-made pollution. The link between aerosols and thunderstorms had been observed for decades, but what caused that link was a mystery. That mystery has now been solved.