V2EX wind shear

Wind Shear

定义 Definition

风切变:指在较短的水平或垂直距离内,风速或风向发生快速变化的现象。它常见于雷暴附近、锋面、急流、山地背风坡等环境,对航空起降安全影响很大。(也可指更广义的“风的垂直/水平切变”。)

例句 Examples

The pilot reported wind shear on final approach.
飞行员报告在最后进近时遇到了风切变。

Sudden wind shear near the thunderstorm caused the aircraft to lose airspeed and altitude briefly.
雷暴附近的突发风切变使飞机短暂损失空速并下降高度。

发音 Pronunciation (IPA)

/wnd er/

词源 Etymology

wind 来自古英语 wind(风);shear 原意是“剪切、切割”,来自古英语 scieran(切开、剪开)。在气象学里,shear 被借用来形容“像被剪切一样发生错动的变化”,因此 wind shear 字面意思可理解为“风的剪切(变化)”,即风速或风向在空间上急剧改变。

相关词 Related Words

文学与著名作品 Literary Works

  • FAAAviation Weather Services》(航空气象服务手册):在飞行气象章节中系统讨论 wind shear 及其对起降的风险与识别。
  • ICAO(国际民航组织)相关文件与培训材料(如低空风切变预警与运行程序):频繁出现 wind shear 用于标准化安全术语。
  • Mark VanhoenackerSkyfaring: A Journey with a Pilot》:以飞行员视角谈及飞行中遭遇的各种天气现象,包含对风切变等危险天气的描述。
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