Comparison of overflow simulations on different vertical grids using the Finite Element Ocean circulation Model

Ocean Modelling

Volumn 20, Issue 4, 2008, Pages 313-335

  Wang, Q ^a   Danilov, S ^a   Schroter J ^a  

^a ALFRED WEGENER INSTITUTE FOR POLAR AND MARINE RESEARCH   (Germany)

Author keywords

Diapycnal mixing; Finite element; Overflow; Resolution; Subgrid parameterization; Vertical discretization

Indexed keywords

DENSITY OF LIQUIDS; DIFFUSION IN LIQUIDS; FINITE ELEMENT METHOD; FLOW OF WATER; OCEAN CURRENTS; PRANDTL NUMBER; VISCOSITY OF LIQUIDS;

FINITE ELEMENT OCEAN CIRCULATION MODEL; OVERFLOW SIMULATIONS; VERTICAL GRIDS;

OCEANOGRAPHY;

BOTTOM TOPOGRAPHY; CIRCULATION MODELING; DISSIPATION; FINITE ELEMENT METHOD; GEOMETRY; GEOPOTENTIAL; OCEANIC CIRCULATION; PARAMETERIZATION; VERTICAL MIXING;

EID: 37849032459     PISSN: 14635003     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ocemod.2007.10.005     Document Type: Article

References (34)

1. Adcroft A., Hill C., and Marshall J. Representation of topography by shaved cells in a height coordinate ocean model. Monthly Weather Review 125 (1997) 2293-2315
2. Beckmann A., and Döscher R. A method for improved representation of dense water spreading over topography in geopotential-coordinate models. Journal of Physical Oceanography 27 (1997) 581-591
3. Beckmann A., and Haidvogel D.B. A numerical simulation of flow at Fieberling Guyot. Journal of Geophysical Research 102 (1997) 5595-5613
4. Campin J.M., and Goosse H. Parameterization of density-driven downsloping flow for a coarse-resolution ocean model in z-coordinate. Tellus Series A - Dynamic Meteorology and Oceanography 51 (1999) 412-430
5. Cenedese C., Whitehead J.A., Ascarelli T.A., and Ohiwa M. A dense current flowing down a sloping bottom in a rotating fluid. Journal of Physical Oceanography 34 (2004) 188-203
6. Danilov S., Kivman G., and Schröter J. A finite-element ocean model: principles and evaluation. Ocean Modelling 6 (2004) 125-150
7. Dietrich D.E., Mehra A., Haney R.L., Bowman M.J., and Tseng Y.H. Dissipation effects in North Atlantic Ocean modeling. Geophysical Research Letters (2004) 31
8. Ezer T. Entrainment, diapycnal mixing and transport in three-dimensional bottom gravity current simulations using the Mellor-Yamada turbulence scheme. Ocean Modelling 9 (2005) 151-168
9. Ezer T., and Mellor G.L. A generalized coordinate ocean model and a comparison of the bottom boundary layer dynamics in terrain-following and in z-level grids. Ocean Modelling 6 (2004) 379-403
10. Gent P.R., and McWilliams J.C. Isopycnal mixing in ocean circulation models. Journal of Physical Oceanography 20 (1990) 150-155
11. Gerdes R. A primitive equation ocean circulation model using a general vertical coordinate transformation 2, Application to an overflow problem. Journal of Geophysical Research - Oceans 98 (1993) 14703-14726
12. Girton J.B., and Sanford T.B. Descent and modification of the overflow plume in the Denmark Strait. Journal of Physical Oceanography 33 (2003) 1351-1364
13. Griffies S.M., Boning C., Bryan F.O., Chassignet E.P., Gerdes R., Hasumi H., Hirst A., Treguier A., and Webb D. Developments in ocean climate modelling. Ocean Modelling 2 (2000) 123-192
14. Hallberg R. Time integration of diapycnal diffusion and Richardson number-dependent mixing in isopycnal coordinate ocean models. Monthly Weather Review 128 (2000) 1402-1419
15. Jiang L., and Garwood R.W. Three-dimensional simulations of overflows on continental slopes. Journal of Physical Oceanography 26 (1996) 1214-1233
16. Jungclaus J.H., and Mellor G.L. A three-dimensional model study of the Mediterranean outflow. Journal of Marine Systems 24 (2000) 41-66
17. Jungclaus J.H., Hauser J., and Kase R.H. Cyclogenesis in the Denmark Strait overflow plume. Journal of Physical Oceanography 31 (2001) 3214-3229
18. Käse R.H., Girton J.B., and Sanford T.B. Structure and variability of the Denmark Strait Overflow: model and observations. Journal of Geophysical Research 108 (2003) 3181
19. Killworth P.D. On the rate of descent of overflows. Journal of Geophysical Research - Oceans 106 (2001) 22267-22275
20. Killworth P.D., and Edwards N.R. A turbulent bottom boundary layer code for use in numerical ocean models. Journal of Physical Oceanography 29 (1999) 1221-1238
21. Legg S., Hallberg R.W., and Girton J.B. Comparison of entrainment in overflows simulated by z-coordinate, isopycnal and non-hydrostatic models. Ocean Modelling 11 (2006) 69-97
22. Löhner R., Morgan K., Peraire J., and Vahdati M. Finite-element flux-corrected transport (FEM-FCT) for the Euler and Navier-Stokes equations. International Journal for Numerical Methods in Fluids 7 (1987) 1093-1109
23. Mellor G.L., and Yamada T. Development of a turbulence closure-model for geophysical fluid problems. Reviews of Geophysics 20 (1982) 851-875
24. Pacanowski R.C., and Gnanadesikan A. Transient response in a z-level ocean model that resolves topography with partial cells. Monthly Weather Review 126 (1998) 3248-3270
25. Pacanowski R.C., and Philander S.G.H. Parameterization of vertical mixing in numerical-models of tropical oceans. Journal of Physical Oceanography 11 (1981) 1443-1451
26. Papadakis M.P., Chassignet E.P., and Hallberg R.W. Numerical simulations of the Mediterranean sea outflow: impact of the entrainment parameterization in an isopycnic coordinate ocean model. Ocean Modelling 5 (2003) 325-356
27. Penduff T., Barnier B., Kerbiriou M.A., and Verron J. How topographic smoothing contributes to differences between the eddy flows simulated by sigma- and geopotential-coordinate models. Journal of Physical Oceanography 32 (2002) 122-137
28. Price J.F., and Baringer M.O. Outflows and deep-water production by marginal seas. Progress in Oceanography 33 (1994) 161-200
29. Riemenschneider U., and Legg S. Regional simulations of the Faroe Bank Channel overflow in a level model. Ocean Modelling 17 (2007) 93-122
30. Song Y.T., and Chao Y. An embedded bottom boundary layer formulation for z-coordinate ocean models. Journal of Atmospheric and Oceanic Technology 17 (2000) 546-560
31. Tseng Y.H., and Dietrich D.E. Entrainment and transport in idealized three-dimensional gravity current simulation. Journal of Atmospheric and Oceanic Technology 23 (2006) 1249-1269
32. Wang, Q., 2007. The Finite Element Ocean Model and its aspect of vertical discretization. Ph.D. Thesis, Bremen University.
33. Wang, Q., Danilov, S., Schröter, J., 2007. Finite Element Ocean circulation Model based on triangular prismatic elements, with application in studying the effect of topography representation. Journal of Geophysical Research - Oceans, in press.
34. Winton M., Hallberg R., and Gnanadesikan A. Simulation of density-driven frictional downslope flow in z-coordinate ocean models. Journal of Physical Oceanography 28 (1998) 2163-2174