Construct · 1 fields · 1 citations

plinian: a standalone construct

One name. One construct. A landmark on the map.

● anchor · one field, one construct Nearest construct by meaning·not indexed
plinian1 CONSTRUCTPlinianWALKER · 1973

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Volcanology

A tall sustained explosive eruption column

A plinian eruption is a highly explosive style in which a sustained, buoyant eruption column rises tens of kilometres into the atmosphere and blankets wide areas with fall deposits, named for Pliny the Younger's account of the 79 CE eruption of Vesuvius. Walker's 1973 classification placed plinian eruptions at the high-dispersal, high-fragmentation end of a scheme that sorts explosive eruptions by how widely and how finely their fall deposits are spread. The referent is an eruption magnitude-and-style category defined by column behaviour and deposit dispersal, distinct from effusive or mildly explosive activity.[1]

Unit
The height and sustenance of the eruption column and the dispersal of its fall deposit
Recovery means
Not applicable
Measured by
Classified by deposit dispersal area and fragmentation, inferred column height, and mass eruption rate

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Nearby constructs

tephra1 fields · 1 citationsanchor · one field, one constructcategory4 fields · 4 citationsjingle · one word, four constructscolumn1 fields · 2 citationsanchor · a standalone construct

References

  1. Walker, G. P. L. (1973). Explosive volcanic eruptions: a new classification scheme. Geologische Rundschau, 62(2), 431–446. https://doi.org/10.1007/BF01840108

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