V2EX epilimnion

Epilimnion

定义 Definition

(湖泊学)上温层 / 表水层:在湖泊分层期(常见于夏季)位于最上方的一层水体,温度较高、受风力搅拌较强、含氧通常较多,与下方的温跃层(thermocline/metal imnion)和深水层(hypolimnion)相对。

发音 Pronunciation

/plmnin/

例句 Examples

The epilimnion warms quickly in summer.
夏天湖泊的上温层升温很快。

As sunlight penetrates the surface, algae growth often increases in the epilimnion, while colder, denser water remains below.
阳光穿透水面时,藻类通常会在上温层更容易增长,而更冷、更密的水则留在下方。

词源 Etymology

来自希腊语构词:epi- 表示“在……之上”,limnion / limnē 与“湖泊”相关;合起来字面意思就是“湖的上层”。该词常用于描述湖泊的热分层结构。

相关词 Related Words

文学与著作 Literary Works

  • Wetzel, Limnology: Lake and River Ecosystems(湖泊学经典教材中常用该术语)
  • Dodds & Whiles, Freshwater Ecology: Concepts and Environmental Applications(淡水生态学教材中讨论湖泊分层时频繁出现)
  • Kalff, Limnology: Inland Water Ecosystems(内陆水生态系统/湖泊分层章节中出现)
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