V2EX barotropic

Barotropic

释义 Definition

(气象/海洋学)正压的;气压与密度(或温度)只随高度变化、彼此等值面基本重合的(大气或流体状态)。常用于描述一种理想化的流体结构,与 baroclinic(斜压) 相对。

发音 Pronunciation

/brtrpk/

例句 Examples

The model assumes the atmosphere is barotropic.
该模型假设大气是正压的。

In a barotropic fluid, the pressure gradient and density gradient are aligned, which simplifies the dynamics of large-scale flow.
在正压流体中,气压梯度与密度梯度大致同向,这会简化大尺度流动的动力学分析。

词源 Etymology

barotropic 由 **baro-**(源自希腊语 baros,意为“重量、压力”)与 -tropic(源自希腊语 tropos,意为“转向、变化方式”)构成,字面可理解为“与压力变化方式相关的”。

相关词 Related Words

文学与著作 Literary Works

  • An Introduction to Dynamic Meteorology(James R. Holton):讨论正压/斜压近似与大气环流的理想化描述时常用到 barotropic
  • Atmospheric and Oceanic Fluid Dynamics(Geoffrey K. Vallis):在大尺度环流与涡度方程推导中频繁出现 barotropic(如 barotropic mode / barotropic instability)。
  • Geophysical Fluid Dynamics(Joseph Pedlosky):在地球物理流体的基本方程与稳定性分析中使用 barotropic 作为关键分类概念。
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