Difference between revisions of "Natural threat"
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Revision as of 00:04, 31 January 2013
A natural threat is a belongs to::threat stemming from natural causes.
Taxonomy
An agreed, common classification of natural threats does not exist. The methodical classification of all threats, drafted in the EU project VITA , probably comes closest[1]. A simplified version of the natural threats in this classification is:
- Earth
- Shock (earthquake, volcanic energy release)
- Fast movement (Landslide)
- Slow movement (setting, erosion)
- Melting (volcano)
- Water
- Precipitation(rain, snow, hail)
- Suspended in air (fog, clouds)
- High water (deluge, floods, rising ground water)
- Drought
- Solid (black ice, piling of snow, avalanche, freeze-up)
- Air
- Movement (wind)
- Material transport (e.g. sandstorm, tornado)
- Space
- Meteorites
- Electromagnetic
- Lightning
- Solar storm·
- Fire
- Due to flammable materials (forest, heath)
- Due to geothermal activity (volcano)
- Biological
- Viruses (human, animal or plant disease)
- Bacteria (human, animal or plant disease)
- Fungi (human, animal or plant disease)
- Growing vegetation
- Animals (plague)
Whereas the examples given between brackets are not exhaustive, the classification itself should be.
