V2EX geostrophic

Geostrophic

Definition 释义

(气象/海洋)地转的;地转平衡的:指在地球自转影响下,科里奥利力水平气压梯度力大致平衡时形成的运动状态;常用于描述地转风(geostrophic wind)地转流(geostrophic current)

Examples 例句

Geostrophic winds usually blow parallel to isobars.
地转风通常沿着等压线平行吹拂。

In the mid-latitudes, large-scale atmospheric flow is often close to geostrophic balance above the boundary layer, so forecasters use geostrophic wind as a first approximation.
在中纬度地区,边界层以上的大尺度大气运动常常接近地转平衡,因此预报员会把地转风作为初步近似来参考。

Pronunciation 发音(IPA)

/distrfk/

Etymology 词源

geo- 来自希腊语 (地球、土地),**-strophic** 与希腊语 strophē(转向、旋转)相关;合起来强调“与地球自转相关的、呈地转(转向)特征的”运动。该词多用于描述由地球自转引起的动力学平衡状态。

Related Words 相关词汇

Literary Works 作品/文献中的用例

  • An Introduction to Dynamic Meteorology(James R. Holton):讨论地转平衡与地转风的经典教材。
  • Atmospheric Science: An Introductory Survey(John M. Wallace & Peter V. Hobbs):在大气环流章节中使用 geostrophic 解释中纬度风场近似。
  • Descriptive Physical Oceanography: An Introduction(Talley, Pickard, Emery & Swift):在海洋环流部分讲解地转流与海面高度/密度结构的关系。
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