Examination of the mixed layer deepening process during convection using LES

Yign Noh, Gahyun Goh, Siegfried Raasch

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Analysis of large-eddy simulation data of the ocean mixed layer under convection reveals that the contribution from wind stress decreases with time as a result of inertial oscillation in the extratropical ocean and that it leads to a rapid increase of the bulk and gradient Richardson number at the mixed layer depth. The criteria for the mixed layer deepening in the widely used mixed layer models, such as the Niiler-Kraus (NK) model, the Price-Weller-Pinkel (PWP) model, and the K-profile parameterization (KPP) model, are examined in view of these results, and its implication on the model predictability is discussed.

Original languageEnglish
Pages (from-to)2189-2195
Number of pages7
JournalJournal of Physical Oceanography
Volume40
Issue number9
DOIs
Publication statusPublished - Sep 1 2010

All Science Journal Classification (ASJC) codes

  • Oceanography

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