volcanism in iceland
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![Page 1: Volcanism In Iceland](https://reader036.vdocuments.us/reader036/viewer/2022081412/540bcc44dab5caf11d8b7436/html5/thumbnails/1.jpg)
Volcanism Volcanism in Icelandin Iceland
Local, Global and Economic EffectsLocal, Global and Economic Effects
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Why is Iceland Why is Iceland Volcanically Active?Volcanically Active?
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Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land
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Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land
Since 834 A.D. 18 of the 130 volcanoes have erupted, constituting 30% of global lava flow in the same time period
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Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land
Since 834 A.D. 18 of the 130 volcanoes have erupted, constituting 30% of global lava flow in the same time period
Volcanists travel to Iceland to witness Geological effects
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Local & Global Effects of Local & Global Effects of Iceland’s VolcanoesIceland’s Volcanoes
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Laki Eruption, June 8, 1783
122 megatons of sulfur dioxide into the atmosphere
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Laki Eruption, June 8, 1783
Acidic rain resulted in acidic soil, killing and preventing plants from growing
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Laki Eruption, June 8, 1783
pH of the aerosol may have been less than 2.0
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Energy From the EarthEnergy From the Earth
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Geothermal energy has been used since prehistoric times.
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Geothermal energy comes from radioactive decay of minerals..
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Geothermal energy is released through volcanoes, fumaroles, hot
spring, and geysers
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Uses of Geothermal Energy in Iceland
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Iceland’s Volcanic Iceland’s Volcanic EconomyEconomy
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Economy in Iceland Relies on Earth for Resources
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Economy in Iceland Relies on Earth for Resources
Geothermal Energy
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Economy in Iceland Relies on Earth for Resources
Oil & Natural Gas
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Economy in Iceland Relies on Earth for Resources
Municipal Pools
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Volcanism Volcanism in Icelandin Iceland