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单词 solifluction
释义

Definition of solifluction in English:

solifluction

noun ˌsəʊlɪˈflʌkʃ(ə)nˌsɒlɪˈflʌkʃ(ə)nˌsɑləˈfləkʃən
mass nounGeology
  • The gradual movement of wet soil or other material down a slope, especially where frozen subsoil acts as a barrier to the percolation of water.

    Example sentencesExamples
    • In contrast to the soil creep of temperate regions, solifluction and gelifiuction are relatively rapid processes in periglacial regions and can result in the active development of slopes.
    • The land surface's extent is uncertain, but there is probably a north-south strip five to ten metres wide parallel to the valley edge, buried, and protected from the effects of ploughing, by chalk solifluction sediments.
    • A combination of land submergence, coastal erosion, and solifluction had caused the deterioration of certain houses and their associated midden deposits.
    • This material is unsorted and is usually mixed with other transported material from the same sources including slopewash, solifluction, or trampling.

Origin

Early 20th century: from Latin solum 'soil' + fluctio(n-) 'flowing', from the verb fluere 'to flow'.

 
 

Definition of solifluction in US English:

solifluction

nounˌsäləˈfləkSHənˌsɑləˈfləkʃən
Geology
  • The gradual movement of wet soil or other material down a slope, especially where frozen subsoil acts as a barrier to the percolation of water.

    Example sentencesExamples
    • This material is unsorted and is usually mixed with other transported material from the same sources including slopewash, solifluction, or trampling.
    • A combination of land submergence, coastal erosion, and solifluction had caused the deterioration of certain houses and their associated midden deposits.
    • In contrast to the soil creep of temperate regions, solifluction and gelifiuction are relatively rapid processes in periglacial regions and can result in the active development of slopes.
    • The land surface's extent is uncertain, but there is probably a north-south strip five to ten metres wide parallel to the valley edge, buried, and protected from the effects of ploughing, by chalk solifluction sediments.

Origin

Early 20th century: from Latin solum ‘soil’ + fluctio(n-) ‘flowing’, from the verb fluere ‘to flow’.

 
 
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更新时间:2025/1/11 23:07:49