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Hurricanes and Typhoons Help to Remove CO2 from the Atmosphere
According to a report in Discovery News, the research was done by Robert Hilton of the University of Cambridge in the United Kingdom and a team of researchers.
Each year humans emit approximately 7.2 billion tons of the greenhouse gas, trapping vast amounts of heat in the air and oceans.
Tropical cyclones derive their energy from warm seas, and some scientists believe global warming will spawn more frequent and more intense storms unless drastic effort is undertaken to cut emissions.
But, Robert Hilton a team of researchers found that when two powerful storms lashed Taiwan in 2004, rains eroded thousands of tons of carbon-rich plant matter and soil.
The material was sent coursing out of the island's steep mountain range down the LiWu River and into the deep sea, where it was buried in sediment.
"Over the last 30 years large storms, which only last a few days, dominated the erosion there," Hilton said. "Between 77 and 92 percent of carbon was eroded by these storms," he added.
Hilton and colleagues calculated that Typhoon Mindulle, the stronger of the 2004 storms, washed about 5,500 tons of carbon down the LiWu River.
When a steep river like the LiWu comes roaring out of the mountains at flood stage, its waters are dense with sediment and they quickly descend to the sea floor, where up to 90 percent of the carbon can be buried and removed from Earth's carbon cycle.
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