V2EX isobars

Isobars

定义 Definition

isobars(等压线,复数)指在天气图上把气压相同的地点连接起来的线,用来表示高压、低压系统及其分布与变化。(在其他学科中也可指“同重素/等质量线”等含义,但最常见的是气象学用法。)

发音 Pronunciation

/asbrz/

例句 Examples

The weather map shows isobars around the storm.
天气图上显示了风暴周围的等压线。

As the isobars tighten, the pressure gradient increases, often bringing stronger winds along the coast.
当等压线变得更密集时,气压梯度会增大,往往会给沿海地区带来更强的风。

词源 Etymology

来自希腊语构词:**iso-**(相同的)+ baros(重量;在科学语境中引申为“压力”相关概念)。因此 isobar(s) 字面意思是“相同压力的(线/点)”。

相关词 Related Words

文学与作品 Literary Works

  • The Atmosphere: An Introduction to Meteorology(介绍天气图与等压线等基础概念的经典教材)
  • Weather(Richard Whitney 等,常见的科普/图解类气象读物中会讲到等压线与风)
  • Encyclopaedia Britannica(“Isobar”与相关气象条目中常出现 isobars 用法)
  • The Oxford Companion to the Earth(地球科学工具书中与天气图、气压分布相关章节常见该词)
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