V2EX chemocline

Chemocline

释义 Definition

化学跃层;化学分层界面:在湖泊、海洋或其他水体中,由于溶解化学物质(如盐度、氧气、硫化氢、营养盐等)浓度在垂直方向上迅速变化而形成的“界面/过渡层”。它常把上层较混合的水体与下层化学性质明显不同的水体分隔开。

发音 Pronunciation (IPA)

/kimklan/

例句 Examples

The chemocline separates oxygen-rich water from the deep, anoxic layer.
化学跃层把富氧水体与深部缺氧层分隔开。

In meromictic lakes, a stable chemocline can persist for years, shaping microbial communities and controlling the movement of nutrients and sulfide between layers.
在永久分层湖中,稳定的化学跃层可能持续多年,影响微生物群落结构,并控制营养盐与硫化物在不同水层之间的交换。

词源 Etymology

chemo- 来自希腊语 khēmeía(与“化学”相关),**-cline** 源自希腊语 klinein(“倾斜、坡度”),在地学与海洋学术语中常指某种性质随深度出现明显“梯度/跃变”的层(如 thermocline 温跃层)。因此 chemocline 指“化学性质发生突变的分层界面”。

相关词 Related Words

文学与著作 Literary Works

  • 《Limnology: Lake and River Ecosystems》(Robert G. Wetzel):湖沼学经典教材,讨论湖泊分层、化学梯度与跃层过程时常涉及 chemocline
  • 《Microbial Ecology of the Oceans》(David L. Kirchman 编):介绍海洋微生物生态,涉及氧化还原界面与化学分层(含 chemocline 相关语境)。
  • 《Biogeochemistry: An Analysis of Global Change》(William H. Schlesinger & Emily S. Bernhardt):在生物地球化学与水体分层、氧化还原梯度的讨论中会用到该术语。
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