V2EX tephra

Tephra

释义 Definition

tephra(火山碎屑/火山喷出碎屑):火山喷发时抛射到空中并落回地面的各种固体物质的统称,包括火山灰、火山渣、浮石、火山弹等。(更常见的另一含义较少。)

发音 Pronunciation

/tfr/

例句 Examples

Tephra covered the road after the eruption.
火山喷发后,火山碎屑覆盖了道路。

Scientists analyzed the tephra layers to reconstruct the volcano’s eruption history and estimate its impact on nearby communities.
科学家分析火山碎屑层,以重建火山的喷发历史,并评估其对附近社区的影响。

词源 Etymology

tephra 源自希腊语 tephra,意为“灰烬”。它被引入现代地质学术语中,用来概括火山喷发产生并沉降的碎屑物质,强调其“喷出物/碎屑”的总体概念,而不只指细小的火山灰。

相关词 Related Words

文学作品 Literary Works

  • **Volcanoes**(Peter Francis):科普写作中常用 tephra 讨论火山碎屑与沉积层。
  • **Volcanic Hazards: A Sourcebook on the Effects of Eruptions**(USGS 相关作者合著):灾害与地质资料中频繁出现 tephra,用于描述喷发造成的碎屑沉积与风险。
  • **Encyclopedia of Volcanoes**(Sigurdsson 等编):火山学参考书中大量使用 tephra 讲解喷出物分类与沉积记录。
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