VOLCANIC eruptions have long been known to influence global climate, besides their obvious local effects. They emit large clouds of aerosols and sulphur-containing gases into the lower and upper atmospheres, affecting albedo, cloud formation and causing optical phenomena. They also cause widespread oceanic disturbance (tsunamis) which can destroy settlements large distances from the eruption. Although there is now conclusive evidence from the satellite record of temperature effects from volcanic eruptions and from ENSO, there is, so far, no evidence of global warming from an increase in greenhouse gases.
[Read more…] about Volcanic Eruptions and Global Temperature
Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation.