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Alluvial vs Pluvial - What's the difference?

alluvial | pluvial |

As adjectives the difference between alluvial and pluvial

is that alluvial is pertaining to the soil deposited by a stream while pluvial is of, pertaining to, or produced by rain.

As nouns the difference between alluvial and pluvial

is that alluvial is a deposition of sediment over a long period of time by a river; an alluvial layer while pluvial is (geology) a rainy period.

alluvial

English

Adjective

(-)
  • Pertaining to the soil deposited by a stream.
  • * 1992 , Anna K. Behrensmeyer & Robert W. Hook, "Paleoenvironmental Contexts and Taphonomic Modes" in, Terrestrial Ecosystems through Time , page 35.
    • Soils are a prominent feature of floodplain environments, and we include them in this section because most of the available information on ancient soils pertains to alluvial examples, aside from those in Quaternary-Recent time.

    Synonyms

    * fluvial

    Derived terms

    * alluvial fan * alluvially * alluvial plain

    Noun

    (en noun)
  • A deposition of sediment over a long period of time by a river; an alluvial layer.

    • Usage notes

    * The noun is normally used in the plural by engineers who recover valuable minerals from these layers.

    Related terms

    * alluvium

    See also

    * deltaic ----

    pluvial

    English

    Adjective

    (en adjective)
  • Of, pertaining to, or produced by rain
  • (geology) occurring through the action of rain

    • Derived terms

    * pluvial lake

    Noun

    (en noun)
  • (geology) a rainy period
    • ----