A storm, even once it has passed, can leave traces in the ocean that last for thousands of years. These consist of sediment layers composed of coarse particles, which are different from the finer sediments associated with good weather. In the Caribbean, an international research team has now examined such sediments using a 30 m long core from a ‘blue hole’ offshore Belize. The analysis shows that over the past 5,700 years, the frequency of tropical storms and hurricanes in the region has steadily increased. For the 21st century, the research team predicts a significant rise in regional storm frequency as a result of climate change.
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