Erratum: Using the Mellor-Yamada mixing scheme in seasonally ice-covered seas - Corrigendum to: Parameterization of vertical mixing in the Weddell Sea [Ocean Modelling 6 (2004) 83-100] {10.1016/S1463-5003(02)00061-6}


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rtimmermann [ at ] awi-bremerhaven.de

Abstract

A coding error in the s-Coordinate Primitive Equation Model SPEM has led to misleading statements about the behaviour of the Mellor-Yamada level 2 parameterization of vertical mixing.It has been claimed that the scheme removes static instability only very slowly and preserves statically unstable stratifications for an unrealistic long time.This note corrects this statement by demonstrating that the Mellor-Yamada mixing scheme, if implemented correctly, tends to overestimate rather than underestimate vertical mixing in seasonally ice-covered seas.Similar to other mixing schemes with the same behaviour, this leads to spurious open ocean deep convection, an unrealistic homogenization of the water column, and a significant reduction of sea ice volume.



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Eprint ID
11589
DOI 10.1016/j.ocemod.2004.11.001

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Timmermann, R. and Losch, M. (2005): Erratum: Using the Mellor-Yamada mixing scheme in seasonally ice-covered seas - Corrigendum to: Parameterization of vertical mixing in the Weddell Sea [Ocean Modelling 6 (2004) 83-100] {10.1016/S1463-5003(02)00061-6} , Ocean modelling, 10 (3), pp. 369-372 . doi: 10.1016/j.ocemod.2004.11.001


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