Experimental and analytical investigation of dense gravity currents in a rotating, up-sloping and converging channel

Dynamics of Atmospheres and Oceans

Volumn 52, Issue 3, 2011, Pages 386-409

  Cuthbertson, Alan J S ^a   Laanearu, Janek ^b   Wåhlin, Anna K ^c   Davies, Peter A ^a  

^a UNIVERSITY OF DUNDEE   (United Kingdom)

^b TALLINN UNIVERSITY OF TECHNOLOGY   (Estonia)

^c UNIVERSITY OF GOTHENBURG   (Sweden)

Author keywords

Ekman transport; Ocean currents; Rotation; Stratified flow; Topographic effects

Indexed keywords

ANALYTICAL INVESTIGATIONS; CONVERGING CHANNEL; DENSE WATERS; EKMAN BOUNDARY LAYERS; EKMAN TRANSPORT; ESSENTIAL DYNAMICS; GEOSTROPHIC BALANCE; GRAVITY CURRENTS; HIGH RESOLUTION; HYDRAULIC BEHAVIOUR; MIXING PROCESS; PARAMETRIC CONDITIONS; QUALITATIVE ASPECTS; ROTATING SYSTEMS; STRATIFIED FLOW; THEORETICAL MODELLING; THEORETICAL MODELS; TOPOGRAPHIC EFFECTS; TURBULENT ENTRAINMENT; VELOCITY PROFILES;

GRAVITATION; GRAVITY WAVES; MATHEMATICAL MODELS; ROTATION;

OCEAN CURRENTS;

ANALYTICAL METHOD; EKMAN LAYER; EKMAN TRANSPORT; EXPERIMENTAL STUDY; GEOSTROPHIC FLOW; MODELING; OCEANIC CURRENT; OUTFLOW; ROTATION; STRATIFIED FLOW; TOPOGRAPHIC EFFECT;

EID: 82455167948     PISSN: 03770265     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.dynatmoce.2011.09.001     Document Type: Article

References (32)

1. Borenäs K., Lundberg P. Rotating hydraulics of flow in a parabolic channel. J. Fluid Mech. 1986, 167:309-326.
2. Borenäs K., Lundberg P. On the deep-water flow through the Faroe Bank Channel. J. Geophys. Res. 1988, 93(C2):1281-1292.
3. Borenäs K., Lundberg P. The Faroe-Bank Channel deep-water overflow. Deep-Sea Res. II 2004, 51:335-350.
4. Borenäs K., Hietala R., Laanearu J., Lundberg P. Some estimates of the Baltic deep-water transport through the Stolpe trench. Tellus A 2007, 59:238-248.
5. Chow V.T. Open-channel Hydraulics 1985, McGraw-Hill Education, New York.
6. Cossu R., Wells M., Wåhlin A. Influence of the Coriolis force on the velocity structure of gravity currents in straight submarine channel systems. J. Geophys. Res.-Oceans 2010, 115:C11016.
7. Cuthbertson A.J.S., Davies P.A., Coates M.J., Guo Y. A modelling study of transient, buoyancy-driven exchange flow over a descending barrier. Environ. Fluid Mech. 2004, 4:127-155.
8. Cuthbertson A.J.S., Davies P.A., Guo Y. Model study of the influence of submerged tidal barriers on estuarine mixing and exchange processes. ASCE J. Hydraul. Eng. 2006, 132(10):1033-1043.
9. Darelius E., Wåhlin A.K. Downward flow of dense water leaning against a topographic ridge. Deep-Sea Res. I 2007, 54(7):1173-1188.
10. Davies P.A., Wåhlin A.K., Guo Y. A combined laboratory and analytical study of flow through the Faroe Bank Channel. J. Phys. Oceanogr. 2006, 36(7):1348-1364.
11. Duncan L.M., Bryden H.L., Cunningham S.A. Friction and mixing in the Faroe Bank Channel outflow. Oceanol. Acta 2003, 26(5/6):473-486.
12. Girton J.B., Pratt L.J., Sutherland D.A., Price J.F. Is the Faroe Bank Channel overflow hydraulically controlled?. J. Phys. Oceanogr. 2006, 36:2340-2349.
13. Ilicak M., Legg S., Adcroft A., Hallberg R. Dynamics of a dense gravity current flowing over a corrugation. Ocean Modell. 2011, 38:71-84.
14. Killworth P.D. On reduced-gravity flow through sills. Geophys. Astrophys. Fluid Dyn. 1994, 75:91-106.
15. Laanearu J., Lundberg P. Topographically constrained deep-water flows in the Baltic Sea. J. Sea Res. 2003, 49(4):257-265.
16. MacCready P., Rhines P.B. Buoyant inhibition of Ekman transport on a slope and its effect on stratified spin-up. J. Fluid Mech. 1991, 223:631-661.
17. MacCready P., Rhines P.B. Slippery bottom boundary layers on a slope. J. Phys. Oceanogr. 1993, 23:5-22.
18. Mauritzen C., Price J., Sanford T., Torres D. Circulation and mixing in the Faroese Channels. Deep-Sea Res. I 2005, 52:883-913.
19. Muench R.D., Wåhlin A.K., özgökmen T.M., Hallberg R., Padman L. Impacts of bottom corrugations on a dense Antarctic outflow: NW Ross Sea. Geophys. Res. Lett. 2009, 36:L23607.
20. Østerhus S., Hansen B., Kristiansen R., Lundberg P. The overflow through the Faroe Bank Channel. International WOCE Newsletter 1999, vol. 25. WOCE International Project Office, Southampton, United Kingdom, pp. 35-37.
21. Pedlosky J. Geophysical Fluid Dynamics 1987, Springer, Berlin, FRG. 2nd edition.
22. Pratt L.J., Lundberg P.A. Hydraulics of rotating strait and sill flow. Ann. Rev. Fluid Mech. 1991, 23:81-106.
23. Pratt L.J., Deese H.E., Murray S.P., Johns W. Continuous dynamical modes in straits having arbitrary cross sections, with application to the Bab al Mandab. J. Phys. Oceanogr. 2000, 25:1696-1705.
24. Sherwin T.J., Griffiths C.R., Inall M.E., Turrell W.R. Quantifying the overflow across the Wyville Thomson Ridge into the Rockall rough. Deep-Sea Res. I 2008, 55:396-404.
25. Umlauf L., Arneborg L. Dynamics of rotating shallow gravity currents passing through a channel. Part I: Observation of transverse structure. J. Phys. Oceanogr. 2009, 39:2385-2401.
26. Umlauf L., Arneborg L. Dynamics of rotating shallow gravity currents passing through a channel. Part II: Analysis. J. Phys. Oceanogr. 2009, 39:2402-2416.
27. van Heijst G.J.F., Davies P.A., Davis R.G. Spin up in a rectangular container. Phys. Fluids 1990, A2:150-159.
28. Wåhlin A.K. Topographic steering of dense bottom currents with application to submarine canyons. Deep-Sea Res. I 2002, 49(2):305-320.
29. Wåhlin A.K. Downward channeling of dense water in topographic corrugations. Deep-Sea Res. I 2004, 51(4):577-599.
30. Wåhlin A.K., Walin G. Downward migration of dense bottom currents. Environ. Fluid Mech. 2001, 1(2):257-279.
31. Whitehead J.A., Leetma A., Knox R.A. Rotating hydraulics of strait and sill flows. Geophys. Astrophys. Fluid Dyn. 1974, 6:101-125.
32. Whitehead J.A., Salzig J. Rotating channel flow: control and upstream currents. Geophys. Astrophys. Fluid Dyn. 2001, 95(3/4):185-226.