Question

what is an example of volcanic activity​

Answer 1

Answer:

The following are examples of famous volcanic eruptions. The eruption of Mount Vesuvius buried the towns of Pompeii and Herculaneum under 20 feet of ash and lava, killing an estimated 20,000 people. The ash that buried the town and the people also preserved them.

Explanation:

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Answer 2

Answer:

Volcanic activity represents a natural process contributing to the cause of global warming through the emission of different tracer constituents directly into the atmosphere leading to alterations in atmospheric chemical composition. Although volcanoes are found in specific regions across the globe, their effects can be spread widely across great distances through gases, dust, and ash that easily make their way into the atmosphere. Owing to atmospheric circulation patterns, eruptions at mid-latitude or higher latitudes generally cause a huge impact on the whole hemisphere, while volcanisms in the tropics can have a much greater impact on the climatic system in both hemispheres. Dust particles and volcanic ash reduce the amount of solar radiation reaching the surface of the Earth, thus, causing reductions in temperature in the troposphere and changing atmospheric circulation patterns (Myhre et al., 2013). However, the extent to which this occurs is still unclear. Although, the effects of large-scale volcanisms may last for a few days or weeks, climate patterns get disturbed for years due to the substantial outpouring of harmful ash and gaseous substances. Emissions of sulfuric gases from volcanic eruptions get converted into sulfate enriched aerosol particles consisting of about 75% H2SO4, which can linger in the stratosphere for 3–4 years after a volcanic eruption. Such major eruptions disrupt the Earth’s radiative balance as the materials that enter into the atmosphere have tremendous potential to absorb and scatter a major portion of Earth’s solar radiation, which is well-known as “radiative forcing” and can have long lasting effects on the global climate (Stenchikov et al., 1998).

Explanation:

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