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词汇 epilimnion
释义

Definition of epilimnion in English:

epilimnion

nounPlural epilimnia ˌɛpɪˈlɪmnɪənˌepəˈlimnēˌän
  • The upper layer of water in a stratified lake.

    表水层,变温层(分层湖泊的最上水层)

    Example sentencesExamples
    • Experiments were conducted in the epilimnion of a high-UV system at midday and in late afternoon.
    • The chemistry of the two parts of a freshwater lake, the epilimnion and the hypolimnion, is affected by biological processes and by circulation.
    • At each pond, we took two replicate water samples from the epilimnion using an integrated depth sampler; we took samples from the surface to 1.25 m in Monday Bog and to 1.75 m in Wednesday Bog.
    • The amount of bacterial cells imported via the inlets in relation to bacterioplankton cells produced in the epilimnion of the lakes was also determined.
    • The sampling depth of 1.5 m was near the midpoint of the epilimnion depth in each lake.

Origin

Early 20th century: from epi- 'above' + Greek limnion (diminutive of limnē 'lake').

Rhymes

hypolimnion

Definition of epilimnion in US English:

epilimnion

nounˌepəˈlimnēˌän
  • The upper layer of water in a stratified lake.

    表水层,变温层(分层湖泊的最上水层)

    Example sentencesExamples
    • The amount of bacterial cells imported via the inlets in relation to bacterioplankton cells produced in the epilimnion of the lakes was also determined.
    • Experiments were conducted in the epilimnion of a high-UV system at midday and in late afternoon.
    • The chemistry of the two parts of a freshwater lake, the epilimnion and the hypolimnion, is affected by biological processes and by circulation.
    • The sampling depth of 1.5 m was near the midpoint of the epilimnion depth in each lake.
    • At each pond, we took two replicate water samples from the epilimnion using an integrated depth sampler; we took samples from the surface to 1.25 m in Monday Bog and to 1.75 m in Wednesday Bog.

Origin

Early 20th century: from epi- ‘above’ + Greek limnion (diminutive of limnē ‘lake’).

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