Movie:LandslideJapan: Difference between revisions
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|Extended movie description=A major landslide in Japan takes out part of the highway 168. The first coverage shows the vegetation sliding by the camera. Helicopter footage shows the landslide scar in the perspective of the river valley. The comments associated with this film indicate that two typhoons preceded this events. | |Extended movie description=A major landslide in Japan takes out part of the highway 168. The first coverage shows the vegetation sliding by the camera. Helicopter footage shows the landslide scar in the perspective of the river valley. The comments associated with this film indicate that two typhoons preceded this events. | ||
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|Movie website if any=http://en.wikipedia.org/wiki/Landslide_classification | |Movie website if any=http://en.wikipedia.org/wiki/Landslide_classification | ||
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Revision as of 12:16, 19 June 2013
Information Page: LandslideJapan
Play Movie
Landslide in Japan
Key Attributes
| Domain: | terrestrial |
| Keywords: | Landslide |
| Model name: | |
| Name: | Unknown, Unknown |
| Where: | Nara Prefecture, Japan |
| When: | August 10th, 2004 |
Short Description
Grade level: Under graduate (13-16), Graduate / Professional
Statement: Landslide in Japan
Abstract: A major landslide in Japan takes out part of the highway 168. The first coverage shows the vegetation sliding by the camera. Helicopter footage shows the landslide scar in the perspective of the river valley. The comments associated with this film indicate that two typhoons preceded this events.
Theory
A landslide is a mass movement along a failure plane on a slope. Landslides occur when the stability threshold of a slope is overcome. The trigger can be abrupt, like an earthquake or more gradual due to a number of factors including:
- porewater pressure built up due to extensive rainfall, snow of glacier melt.
- undercutting of a slope by a river or wave erosion.
Fires and deforestation that change the water infiltration capacity of a slope do influence the probability of a landslide event happening.
A elaborate discussion on classification can be found here: http://en.wikipedia.org/wiki/Landslide_classification
Links
http://en.wikipedia.org/wiki/Landslide classification
References
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