After Hurricane Jimmy | Study: This is the relationship between climate change and “the strength of hurricanes and the increase in floods”
Arab Weather - Scientists said in research published on Friday that climate change is causing major changes in rainfall patterns around the world, which could lead to the intensification of hurricanes and other tropical storms, according to a Reuters report.
The strongest typhoon to hit Taiwan, the Philippines and China
The strongest typhoon this year hit Taiwan, the Philippines and then China this week, closing schools, businesses and financial markets as wind speeds increased to 227 kilometers per hour. Hundreds of thousands of residents were evacuated on China's east coast before the typhoon made landfall on Thursday.
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In this study, scientists attributed the strength of hurricanes and the increase in floods to several reasons, including:
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The effect of rising temperatures on tropical storms
Scientists say stronger tropical storms are part of a broader phenomenon that includes extreme weather events caused by rising temperatures. Researchers led by Zhang Wenxia of the Chinese Academy of Sciences studied historical meteorological data and concluded that about 75% of the world's land area experienced an increase in "precipitation variability," meaning wider fluctuations between dry and wet weather.
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Increased ability to retain moisture
According to Reuters, researchers stated in a paper published in the journal Science that rising temperatures have increased the ability of the atmosphere to retain moisture, causing wider fluctuations in precipitation. Stephen Sherwood, a scientist at the University of New South Wales' Climate Change Research Centre, who was not involved in the study, said:
“Volatilities have increased in most places, including Australia, which means periods of heavier rain and drier periods of drought.”
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Continuing global warming
"This will increase as global warming continues, increasing the chances of drought and/or floods," Sherwood added. Scientists believe climate change is also changing the behavior of tropical storms, including hurricanes, making them less frequent but more powerful.
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High water vapor content
“I believe that the rise in water vapor in the atmosphere is the main reason behind these trends toward more extreme hydrological phenomena,” Sherwood told Reuters. Typhoon Jaime, which made its first landfall in Taiwan on Wednesday, is the strongest to hit the island in eight years.
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