MOUNT PINATUBO CASE STUDY BITESIZE
Equity Blog — Geography Case Study: Houses and bridges destroyed and needed replacing and Manila airport had to be closed. Click here for larger version. Mt Pinatubo Crater in Philippines. Photos showing the typical landform of some maar volcanoes. It was thought for many years that the haze effect resulted from ash particles in the upper atmosphere blocking out solar radiation. Composite volcanoes are the most deadly of volcano types.
Set up permanent monitoring points or use satellite images to look upon volcano site for changes in land surface. Snowfalls and frost occurred in June, July and August and alpine glaciers advanced down mountain slopes to exceptionally low elevations. What they could have done. It is one of a chain of volcanoes known as the Luzon volcanic arc, which is the result of the Oceanic Philippine plate being subducted under the lighter Continental Eurasian plate. Tambora, Indonesia – erupted in – resulted in an extremely cold spring and summer in , which became known as the year without a summer. Mauna Loa is a shield volcano.
Explosion at Clark Air Base.
Click on the image for a bigger version. However, scientists now believe that the sulfur-rich gases released in many eruptions have a greater impact. V enn diagram Click here for larger version.
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Alternate pihatubo of ash and lava. Snowfalls and frost occurred in June, July and August and alpine glaciers advanced down mountain slopes to exceptionally low elevations.
Powerful volcanic eruptions
Volcanic eruptions can intensify global warming by adding CO 2 to the atmosphere. Krakatoa, Indonesia – erupted in – the second largest eruption in history. Mount Pinatubo On 15 June Mount Pinatubo in the Philippines erupted, ejecting vast amounts of ash stydy gas high into the atmosphere, so high that the volcano’s plume penetrated into the stratosphere.
Over the course of the next two years, strong stratospheric winds spread these aerosol particles around the globe. Read these excellent case study notes. Composite volcanoes Composite volcanoes are found on destructive plate marginswhere the oceanic crust sinks beneath the continental crust.
Global cooling caused by ash in the atmosphere of 0. On 15 June Mount Pinatubo in the Philippines moung, ejecting vast amounts of ash and gas high into the atmosphere, so high that the volcano’s plume penetrated into the stratosphere.
Sulfur combines with water vapour in the stratosphere to form dense clouds of tiny sulfuric acid droplets. There was no monitoring until the 3rd of April but seismometers were put into place.
What they could have done. Composite volcanoes are the most deadly of volcano types. Electricity went off, water was contaminated, road links were destroyed, and telephone links were cut. Photos showing the typical landform of some maar volcanoes. Evacuation camps built for refugees. Steep sides as the lava doesn’t flow very far before it solidifies. The United States Geological Service helped to predict the disaster.
Sinabung — Case Study of a Volcano Mt. Watch the Sulphur Dioxide cloud disperse on this movie. Mauna Loa is a shield volcano, but was formed over a hot spotrather than at a constructive plate margin, like other volcanoes. Figs 1 to 4: Two main types of volcano are the shield volcano and the composite volcano. Mount Etna, Sicily 30 Sep Location: However, of greater significance is the haze effect – caused by ash and gases released during an eruption, which results in global cooling.
Powerful volcanic eruptions – GCSE Geography – BBC Bitesize
Fantastic site on Mount Pinatubo – look at pages 2 and 3. Over the course of several jount a massive 10 cubic caase of material was ejected, making it the second biggest eruption of the 20th century. Type and frequency of volcanic activity A Level Geography A pyroclastic flow can travel down the side of a volcano at very high speeds with temperatures over degrees celsius.
There are three main volcanic cones: Lava-ice interaction on a large composite volcano: