V2EX advection

Advection

释义 Definition

平流:在气象学与流体力学中,指空气或流体的整体运动把某种性质(如热量、水汽、盐度、污染物等)从一个地方输送到另一个地方的过程。常见于“暖平流/冷平流(warm/cold advection)”“水汽平流(moisture advection)”。(在传热学中也常指由流体运动导致的热量输运。)

发音 Pronunciation (IPA)

/dvkn/

例句 Examples

Warm advection can raise temperatures overnight.
暖平流会使夜间气温上升。

The forecast called for strong moisture advection ahead of the front, increasing the risk of heavy rain.
预报指出冷锋前方水汽平流强,强降雨风险随之增大。

词源 Etymology

来自拉丁语 **ad-**(“向、朝”)+ vectio(“搬运、运输”,源自 vehere“运载”)。字面意思接近“向前搬运”,对应其核心概念:由流体运动把某种量输送到别处。

相关词 Related Words

文学与著作 Literary & Notable Works

  • An Introduction to Dynamic Meteorology(James R. Holton):在讨论温度与涡度方程时频繁使用 advection
  • Atmospheric Science: An Introductory Survey(John M. Wallace & Peter V. Hobbs):用于解释天气系统中的热量与水汽输送。
  • An Introduction to Fluid Dynamics(G. K. Batchelor):在标量输运与流体方程推导中使用 advection
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