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DeCS
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Descriptor English:
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Volcanic Eruptions
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Descriptor Spanish:
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Erupciones Volcánicas
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Descriptor Portuguese:
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Erupções Vulcânicas
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Synonyms English:
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Ash, Volcanic
Eruption, Volcanic
Eruptions, Volcanic
Gases, Volcanic
Volcanic Ash
Volcanic Eruption
Volcanic Gases
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Tree Number:
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G01.311.955
SP4.001.037.403.514.260
SP8.473.654.762.802
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Definition English:
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The ash, dust, gases, and lava released by volcanic explosion. The gases are volatile matter composed principally of about 90% water vapor, and carbon dioxide, sulfur dioxide, hydrogen, carbon monoxide, and nitrogen. The ash or dust is pyroclastic ejecta and lava is molten extrusive material consisting mainly of magnesium silicate. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Indexing Annotation English:
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specify geographic term if pertinent
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History Note English:
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2009 (1995); use NATURAL DISASTERS 1982-1994
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Allowable Qualifiers English:
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Record Number:
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31975
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Unique Identifier:
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D018707
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Occurrence in VHL:
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Similar:
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DeCS CID-10 SciELO LILACS LIS
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