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Author Ali, A.; Christensen, K.H.; Breivik, Ø.; Malila, M.; Raj, R.P.; Bertino, L.; Chassignet, E.P.; Bakhoday-Paskyabi, M.
Title A comparison of Langmuir turbulence parameterizations and key wave effects in a numerical model of the North Atlantic and Arctic Oceans Type $loc['typeJournal Article']
Year 2019 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 137 Issue Pages 76-97
Keywords Langmuir mixing parameterization Mixed layer depth Sea surface temperature Ocean heat content Stokes penetration depth
Abstract Five different parameterizations of Langmuir turbulence (LT) effect are investigated in a realistic model of the North Atlantic and Arctic using realistic wave forcing from a global wave hindcast. The parameterizations mainly apply an enhancement to the turbulence velocity scale, and/or to the entrainment buoyancy flux in the surface boundary layer. An additional run is also performed with other wave effects to assess the relative importance of Langmuir turbulence, namely the Coriolis-Stokes forcing, Stokes tracer advection and wave-modified momentum fluxes. The default model (without wave effects) underestimates the mixed layer depth in summer and overestimates it at high latitudes in the winter. The results show that adding LT mixing reduces shallow mixed layer depth (MLD) biases, particularly in the subtropics all year-around, and in the Nordic Seas in summer. There is overall a stronger relative impact on the MLD during winter than during summer. In particular, the parameterization with the most vigorous LT effect causes winter MLD increases by more than 50% relative to a control run without Langmuir mixing. On the contrary, the parameterization which assumes LT effects on the entrainment buoyancy flux and accounts for the Stokes penetration depth is able to enhance the mixing in summer more than in winter. This parametrization is also distinct from the others because it restrains the LT mixing in regions of deep MLD biases, so it is the preferred choice for our purpose. The different parameterizations do not change the amplitude or phase of the seasonal cycle of heat content but do influence its long-term trend, which means that the LT can influence the drift of ocean models. The combined impact on water mass properties from the Coriolis-Stokes force, the Stokes drift tracer advection, and the wave-dependent momentum fluxes is negligible compared to the effect from the parameterized Langmuir turbulence.
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Call Number COAPS @ user @ Serial 1001
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Author Arbic, B.K.; Wallcraft, A.J.; Metzger, E.J.
Title Concurrent simulation of the eddying general circulation and tides in a global ocean model Type $loc['typeJournal Article']
Year 2010 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 32 Issue 3-4 Pages 175-187
Keywords Eddies; Internal tides; High-resolution ocean models
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Call Number COAPS @ mfield @ Serial 341
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Author Danabasoglu, G.; Yeager, S.G.; Bailey, D.; Behrens, E.; Bentsen, M.; Bi, D.; Biastoch, A.; Böning, C.; Bozec, A.; Canuto, V.M.; Cassou, C.; Chassignet, E.; Coward, A.C.; Danilov, S.; Diansky, N.; Drange, H.; Farneti, R.; Fernandez, E.; Fogli, P.G.; Forget, G.; Fujii, Y.; Griffies, S.M.; Gusev, A.; Heimbach, P.; Howard, A.; Jung, T.; Kelley, M.; Large, W.G.; Leboissetier, A.; Lu, J.; Madec, G.; Marsland, S.J.; Masina, S.; Navarra, A.; George Nurser, A.J.; Pirani, A.; y Mélia, D.S.; Samuels, B.L.; Scheinert, M.; Sidorenko, D.; Treguier, A.-M.; Tsujino, H.; Uotila, P.; Valcke, S.; Voldoire, A.; Wang, Q.
Title North Atlantic simulations in Coordinated Ocean-ice Reference Experiments phase II (CORE-II). Part I: Mean states Type $loc['typeJournal Article']
Year 2014 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 73 Issue Pages 76-107
Keywords Global ocean–sea-ice modelling Ocean model comparisons Atmospheric forcing Experimental design Atlantic meridional overturning circulation North Atlantic simulations
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Call Number COAPS @ mfield @ Serial 159
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Author Danabasoglu, G.; Yeager, S.G.; Kim, W.M.; Behrens, E.; Bentsen, M.; Bi, D.; Biastoch, A.; Bleck, R.; Böning, C.; Bozec, A.; Canuto, V.M.; Cassou, C.; Chassignet, E.; Coward, A.C.; Danilov, S.; Diansky, N.; Drange, H.; Farneti, R.; Fernandez, E.; Fogli, P.G.; Forget, G.; Fujii, Y.; Griffies, S.M.; Gusev, A.; Heimbach, P.; Howard, A.; Ilicak, M.; Jung, T.; Karspeck, A.R.; Kelley, M.; Large, W.G.; Leboissetier, A.; Lu, J.; Madec, G.; Marsland, S.J.; Masina, S.; Navarra, A.; Nurser, A.J.G.; Pirani, A.; Romanou, A.; Salas y Mélia, D.; Samuels, B.L.; Scheinert, M.; Sidorenko, D.; Sun, S.; Treguier, A.-M.; Tsujino, H.; Uotila, P.; Valcke, S.; Voldoire, A.; Wang, Q.; Yashayaev, I.
Title North Atlantic simulations in Coordinated Ocean-ice Reference Experiments phase II (CORE-II). Part II: Inter-annual to decadal variability Type $loc['typeJournal Article']
Year 2016 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 97 Issue Pages 65-90
Keywords Global ocean – sea-ice modelling; Ocean model comparisons; Atmospheric forcing; Inter-annual to decadal variability and mechanisms; Atlantic meridional overturning circulation variability; Variability in the North Atlantic
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Call Number COAPS @ mfield @ Serial 34
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Author Downes, S.M.; Farneti, R.; Uotila, P.; Griffies, S.M.; Marsland, S.J.; Bailey, D.; Behrens, E.; Bentsen, M.; Bi, D.; Biastoch, A.; Böning, C.; Bozec, A.; Canuto, V.M.; Chassignet, E.; Danabasoglu, G.; Danilov, S.; Diansky, N.; Drange, H.; Fogli, P.G.; Gusev, A.; Howard, A.; Ilicak, M.; Jung, T.; Kelley, M.; Large, W.G.; Leboissetier, A.; Long, M.; Lu, J.; Masina, S.; Mishra, A.; Navarra, A.; George Nurser, A.J.; Patara, L.; Samuels, B.L.; Sidorenko, D.; Spence, P.; Tsujino, H.; Wang, Q.; Yeager, S.G.
Title An assessment of Southern Ocean water masses and sea ice during 1988-2007 in a suite of interannual CORE-II simulations Type $loc['typeJournal Article']
Year 2015 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 94 Issue Pages 67-94
Keywords Southern Ocean; CORE-II experiments; Water masses; Sea ice; Ocean model intercomparison
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Call Number COAPS @ mfield @ Serial 99
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Author Dukhovskoy, D.S.; Morey, S.L.; Martin, P.J.; O'Brien, J.J.; Cooper, C.
Title Application of a vanishing, quasi-sigma, vertical coordinate for simulation of high-speed, deep currents over the Sigsbee Escarpment in the Gulf of Mexico Type $loc['typeJournal Article']
Year 2009 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 28 Issue 4 Pages 250-265
Keywords Numerical models; Deep currents; Topographic waves; Numerical truncation error; Vertical discretization; Sigsbee Escarpment; Gulf of Mexico
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Call Number COAPS @ mfield @ Serial 399
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Author Dukhovskoy, D.S.; Morey, S.L.; O'Brien, J.J.
Title Influence of multi-step topography on barotropic waves and consequences for numerical modeling Type $loc['typeJournal Article']
Year 2006 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 14 Issue 1-2 Pages 45-60
Keywords numerical models; ocean mathematical models; topographic waves; double Kelvin waves; continental shelves; shelf waves
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Funding ONR, NASA Approved $loc['no']
Call Number COAPS @ mfield @ Serial 443
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Author Farneti, R.; Downes, S.M.; Griffies, S.M.; Marsland, S.J.; Behrens, E.; Bentsen, M.; Bi, D.; Biastoch, A.; Böning, C.; Bozec, A.; Canuto, V.M.; Chassignet, E.; Danabasoglu, G.; Danilov, S.; Diansky, N.; Drange, H.; Fogli, P.G.; Gusev, A.; Hallberg, R.W.; Howard, A.; Ilicak, M.; Jung, T.; Kelley, M.; Large, W.G.; Leboissetier, A.; Long, M.; Lu, J.; Masina, S.; Mishra, A.; Navarra, A.; George Nurser, A.J.; Patara, L.; Samuels, B.L.; Sidorenko, D.; Tsujino, H.; Uotila, P.; Wang, Q.; Yeager, S.G.
Title An assessment of Antarctic Circumpolar Current and Southern Ocean meridional overturning circulation during 1958-2007 in a suite of interannual CORE-II simulations Type $loc['typeJournal Article']
Year 2015 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 93 Issue Pages 84-120
Keywords Global ocean–sea ice modeling; Model comparisons; Southern Ocean meridional overturning circulation; Antarctic Circumpolar Current; Southern Ocean dynamics
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Call Number COAPS @ mfield @ Serial 103
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Author Goff, J.A.; Arbic, B.K.
Title Global prediction of abyssal hill roughness statistics for use in ocean models from digital maps of paleo-spreading rate, paleo-ridge orientation, and sediment thickness Type $loc['typeJournal Article']
Year 2010 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 32 Issue 1-2 Pages 36-43
Keywords Abyssal hills; Roughness; Prediction; Ocean modeling
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Call Number COAPS @ mfield @ Serial 345
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Author Griffies, S.M.; Biastoch, A.; Böning, C.; Bryan, F.; Danabasoglu, G.; Chassignet, E.P.; England, M.H.; Gerdes, R.; Haak, H.; Hallberg, R.W.; Hazeleger, W.; Jungclaus, J.; Large, W.G.; Madec, G.; Pirani, A.; Samuels, B.L.; Scheinert, M.; Gupta, A.S.; Severijns, C.A.; Simmons, H.L.; Treguier, A.M.; Winton, M.; Yeager, S.; Yin, J.
Title Coordinated Ocean-ice Reference Experiments (COREs) Type $loc['typeJournal Article']
Year 2009 Publication Ocean Modelling Abbreviated Journal Ocean Modelling
Volume 26 Issue 1-2 Pages 1-46
Keywords Global ocean-ice modelling; Model comparison; Experimental design; Atmospheric forcing; Analysis diagnostics; Circulation stability; World ocean
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Call Number COAPS @ mfield @ Serial 401
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