Large volcanic eruptions can trigger El Niño events
Daily MailVolcanic eruptions in the tropics can trigger to El Niño events - warming periods in the Pacific Ocean with dramatic global impacts on the climate, a new study has found. Large eruptions trigger El Niño event by pumping millions of tons of sulfur dioxide into the stratosphere, which form a sulfuric acid cloud that reflects solar radiation and reduces global surface temperature The study, published in the journal Nature Communications, used climate model simulations to show that El Niño tends to peak during the year after large volcanic eruptions like the one at Mount Pinatubo in the Philippines in 1991. ENSO has three phases it can be: El Niño : A warming of the ocean surface, or above-average sea surface temperatures, in the central and eastern tropical Pacific Ocean. A new study suggests that large volcanic eruptions such as this one can trigger to El Niño events - warming periods in the Pacific Ocean with dramatic global impacts on climate According to the authors of the study, cooling in tropical Africa after volcanic eruptions weakens the West African monsoon, and drives westerly wind anomalies near the equator over the western Pacific.
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