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Essay / Research Paper Abstract
A 7 page discussion of the immediate and long-term impacts of volcanic eruptions. This paper contends that while much of our concern regarding volcanic eruptions revolves around the immediate impacts to human life and property, a far more concerning aspect of these eruptions is long term impacts to the climate. These impacts can, in fact, do far more damage to the world as a whole than the immediate loss of human life and property which results with volcanic eruptions. An overview of volcanic processes is provided and related to the phenomena of global warming. Bibliography lists sources.
Page Count:
7 pages (~225 words per page)
File: AM2_PPvolClm.rtf
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Unformatted sample text from the term paper:
global climate. Indeed, these tremendously important and potentially powerful geologic features have numerous impacts on humans and the world in general. Approximately one in twelve people in the
worlds population live close to active volcanoes (Tyson PG). As the worlds population continues to grow at a phenomenal rate this number could be expected to continue to increase.
As would be expected, much of our concern regarding volcanic eruptions revolves around the immediate impacts to human life and property. A far more concerning aspect of these
eruptions, however, is long term impacts to the climate. These impacts can, in fact, do far more damage to the world as a whole than the immediate loss of
human life and property which results with volcanic eruptions. Volcanoes occur primarily along coastal areas at rifts in the earths surface. They
occur above the subduction zones at the juncture of oceanic tectonic plates and continental tectonic plates (Tyson PG). The plunge of oceanic plates under the continental plates creates "hot-spots"
of areas which are primed for volcanic activity (Tyson PG). The shifting of the tectonic plates above and below one another causes earthquakes and creates open channel-like areas referred
to as fissures (Tyson PG). Molten rock, also called magma, moves through these fissures in part because it has a density which is less than that of solid rock
and which causes it to rise to the surface much like oil floats to the top of water (Tyson PG). As the magma rises it is subject to less
pressure and gases are released (Tyson PG). These gases further fuel volcanic eruptions. Some volcanic eruptions have effects which reach far beyond
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