{"refrec":{"BRefID":211392,"RR":"<b>Timmermann, R.; Beckmann, A.</b> (2004). Parameterization of vertical mixing in the Weddell Sea. <i>Ocean Modelling 6(1)</i>: 83-100. <a href=\"http://dx.doi.org/10.1016/S1463-5003(02)00061-6\" target=\"_blank\">dx.doi.org/10.1016/S1463-5003(02)00061-6</a>","BEntID":203314,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Ocean Modelling 6(1)</i>: 83-100. <a href=\"https://dx.doi.org/10.1016/S1463-5003(02)00061-6\" target=\"_blank\">https://dx.doi.org/10.1016/S1463-5003(02)00061-6</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Timmermann, R.; Beckmann, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Timmermann, R.; Beckmann, A.","Englishabstract":"A series of vertical mixing schemes implemented in a circumpolar Coupled ice-ocean model of the BRIOS family is validated against observations of hydrography and sea ice coverage in the Weddell Sea. Assessed parameterizations include the Richardson number-dependent Pacanowski-Philander scheme, the Mellor-Yamada turbulent closure scheme, the K-profile parameterization, a bulk mixed layer model and the ocean penetrative plume scheme (OPPS). Combinations of the Pacanowski-Philander parameterization or the OPPS with a simple diagnostic model depending on the Monin-Obukhov length yield particularly good results. In contrast, experiments using a constant diffusivity and the traditional convective adjustment cannot reproduce the observations. An underestimation of wind-driven mixing in summer leads to an accumulation of salt in the winter water layer, inducing deep convection in the central Weddell Sea and a homogenization of the water column. Large upward heat fluxes in these simulations lead to the formation of unrealistic, large polynyas in the central Weddell Sea after only a few years of integration. Furthermore, spurious open-ocean convection affects the basin-scale circulation and leads to a significant overestimation of meridional overturning rates. We conclude that an adequate parameterization of both wind-induced mixing and buoyancy-driven convection is crucial for realistic simulations of processes in seasonally ice-covered seas.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Parameterization of vertical mixing in the Weddell Sea","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"coupled sea ice-ocean model; vertical mixing; parameterization of","OtherDescriptors":null,"Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2012-02-01","DateCreate":"2011-12-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000185746100004","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/S1463-5003(02)00061-6"},"refs":null,"anarec":{"AnaID":211392,"PubliDate":2004,"Pagination":"83-100","XtraPublOfAnaID":null,"ISBN":null,"Volume":"6","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45570,"SerRR":"Ocean Modelling. 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