A theory of semigeostrophic gravity waves and its application to the intrusion of a density current along a coast - Part 2. Intrusion of a density current along a coast in a rotating fluid

Atsushi Kubokawa, Kimio Hanawa

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

The intrusion of a density current along a coast in a rotating fluid is investigated both theoretically and experimentally. The theoretical model is a shock wave solution of a semigeostrophic gravity wave which was investigated in Part 1 (Kubokawa and Hanawa, 1984). In the experimental results, the propagation speed of the leading edge of light fluid along a vertical boundary and the current width and depth are nearly equal to those estimated by the shock wave theory. The generation of a frontal wave at the leading edge of the density current is observed. The propagation velocity of these frontal waves agrees well with that of theoretically-predicted semigeostrophic gravity waves.

Original languageEnglish
Pages (from-to)260-270
Number of pages11
JournalJournal of the Oceanographical Society of Japan
Volume40
Issue number4
DOIs
Publication statusPublished - 1984 Aug 1

ASJC Scopus subject areas

  • Oceanography

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