V2EX outburst flood

Outburst Flood

定义 Definition

(地貌学/水文学)突发洪水、溃决洪水:指被冰川、冰坝、天然堰塞体或人工水坝暂时拦蓄的水体,在坝体突然失稳或被侵蚀破坏后,短时间内迅猛泄出并造成强烈冲刷与淹没的洪水。常见于冰川湖溃决等情境。(在冰川环境中也常用近义术语 jkulhlaup。)

发音 Pronunciation (IPA)

/atbst fld/

例句 Examples

A sudden outburst flood swept away the footbridge.
突发的溃决洪水冲走了人行桥。

Researchers mapped the sediment deposits left by an outburst flood to reconstruct the lake’s failure and the flood’s peak discharge.
研究人员通过测绘溃决洪水留下的沉积物,重建湖泊溃坝过程以及洪峰流量。

词源 Etymology

outburst 原意为“突然爆发”(out- 表“向外”,burst 表“爆裂/迸发”),与 flood(洪水)组合后,强调“蓄水突然向外释放”的特征。该术语在地貌与冰川灾害研究中用于描述“骤发、强能量、短历时”的洪水事件。

相关词 Related Words

文献与作品 Literary / Notable Works

  • J Harlen Bretz, “The Channeled Scabland of the Columbia Plateau”(关于灾变性洪水与地貌证据的经典研究)
  • Victor R. Baker, “The Spokane Flood Controversy and the Martian Outflow Channels”(讨论巨洪水证据与行星类比)
  • David Alt, “Glacial Lake Missoula and Its Humongous Floods”(面向大众的地质科普著作)
  • Richard B. Waitt 等关于 Missoula floods / outburst flooding 的研究论文(用于解释冰川湖溃决洪水对地貌的塑造)
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