This result contradicts previous studies that suggest volcanoes cool the climate. Scientists
Although ozone loss due to volcanoes has not beenSurprisingly for the researchers, the simulation showed the potential extent of the destruction. “They are about two-thirds larger than the global average,” the scientists noted.
The researchers used the chemo-climatican Earth observation system model to simulate a four-year phase of eruptions that occurred 15 and 17 Ma in the Pacific Northwest of the United States. The model calculated the impact of eruptions on the troposphere and stratosphere.
The eruptions were a chain of eventswhich sent material high into the upper troposphere and lower stratosphere and effusive eruptions that did not go beyond an altitude of about 3 km. The simulations assumed that explosive events occur four times a year and that the eruption releases about 80% of the sulfur dioxide.
“The warming persists for about 15 years,” scientists say.
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