Enhanced turbulence due to the superposition of internal gravity waves and a coastal upwelling jet

Journal of Geophysical Research: Oceans

Volumn 112, Issue 6, 2007, Pages

  Avicola, G S ^a,b   Moum, J N ^a   Perlin, A ^a   Levine, M D ^a  

^a OREGON STATE UNIVERSITY   (United States)

^b JOHNS HOPKINS UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BOUNDARY LAYER FLOW; GRAVITY WAVES; JETS; MATHEMATICAL MODELS; TURBULENCE; WATER WAVES; WIND EFFECTS;

COASTAL CIRCULATION; INTERNAL WAVE; JET; NUMERICAL MODEL; TURBULENCE; UPWELLING; WIND SHEAR;

NORTH AMERICA; OREGON; UNITED STATES;

EID: 34548361406     PISSN: None     EISSN: 21699291     Source Type: Journal    
DOI: 10.1029/2006JC003831     Document Type: Article

References (40)

1. Anis, A., and J. N. Moum (1995), Surface wave-turbulence interactions: Scaling ε(z) near the sea surface, J. Phys. Oceanogr., 25, 2025-2045.
2. Barth, J. A., and P. A. Wheeler (2005), Introduction to special section: Coastal advances in shelf transport, J. Geophys. Res., 110, C10S01, doi:10.1029/2005JC003124.
3. Barth, J. A., S. D. Pierce, and R. M. Castelao (2005), Time-dependent wind-driven flow over a shallow mid shelf submarine bank, J. Geophys. Res., 110, C10S05, doi:10.1029/2004JC002761.
4. Boyd, T., M. D. Levine, P. M. Kosro, S. R. Gard, and W. Waldorf (2002), Observations from moorings on the Oregon continental shelf, May-August 2001, Data Rep. 190, Ref 02-6, Coll. of Oceanic and Atmos. Sci., Oreg. State Univ., Corvallis.
5. Chriss, T. M., and D. R. Caldwell (1982), Evidence for the influence of form drag on bottom boundary layer flow, J. Geophys. Res., 87, 4148-4154.
6. Denbo, D. W., and J. S. Allen (1984), Rotary empirical orthogonal function analysis of currents near the Oregon coast, J. Phys. Oceanogr., 14, 35-46.
7. Dewey, R. K., and W. R. Crawford (1988), Bottom stress estimates from vertical dissipation rate profiles on the continental shelf, J. Phys. Oceanogr., 18, 1167-1177.
8. Dewey, R. K., and J. N. Moum (1990), Enhancement of fronts by vertical mixing, J. Geophys. Res., 95(C6), 9433-9445.
9. Dewey, R. K., J. N. Moum, and D. R. Caldwell (1993), Microstructure activity within a minifilament in the coastal transition zone, J. Geophys. Res., 98, 14,457-14,470.
10. Dillon, T. M., J. N. Moum, T. K. Chereskin, and D. R. Caldwell (1989), Zonal momentum balance at the equator, J. Phys. Oceanogn, 19, 561-570.
11. Garvine, R. W. (1999), Penetration of buoyant coastal discharge onto the continental shelf: A numerical experiment, J. Phys. Oceanogr., 29, 1892-1909.
12. Hales, B., J. N. Moum, P. Covert, and A. Perlin (2005), Irreversible nitrate fluxes due to turbulent mixing in a coastal upwelling system, J. Geophys. Res., 110, C10S11, doi:10.1029/2004JC002685.
13. Huyer, A. (1983), Coastal upwelling in the California Current System, Prog. Oceanogr., 12, 259-284.
14. Huyer, A., R. L. Smith, and R. D. Pillsbury (1972), Observations in a coastal upwelling region during a period of variable winds (Oregon coast, July 1972), Tethys, 6, 391-404.
15. Huyer, A., R. L. Smith, and E. J. Sobey (1978), Seasonal differences in low-frequency current fluctuations over the Oregon continental shelf, J. Geophys. Res., 83, 5077-5089.
16. Huyer, A., E. J. Sobey, and R. L. Smith (1979), The spring transition in currents over the Oregon continental shelf, J. Geophys. Res., 84, 6995-7011.
17. Klymak, J. M., and J. N. Moum (2003), Internal solitary waves of elevation advancing on a shoaling shelf, Geophys. Res. Lett., 30(20), 2045, doi:10.1029/2003GL017706.
18. Kurapov, A. L., J. S. Allen, G. D. Egbert, R. N. Miller, P. M. Kosro, M. D. Levine, T. Boyd, and J. A. Barth (2005), Assimilation of moored velocity data in a model of coastal wind-driven circulation off Oregon: Multivariate capabilities, J. Geophys. Res., 110, C10S08, doi:10.1029/2004JC002493.
19. Lentz, S. J., and D. C. Chapman (2004), The importance of nonlinear cross-shelf momentum flux during wind-driven coastal upwelling, J. Phys. Oceanogr, 34, 2444-2457.
20. Levine, M. D. (2002), A modification of the Garret-Munk internal wave spectrum, J. Phys. Oceanogr., 32, 3166-3181.
21. MacKinnon, J. A., and M. C. Gregg (2003a), Shear and baroclinic energy flux on the summer New England shelf, J. Phys. Oceanogr., 33, 1462-1475.
22. MacKinnon, J. A., and M. C. Gregg (2003b), Mixing on the late-summer New England shelf-solibores, shear and stratification, J. Phys. Oceanogr., 33, 1476-1492.
23. MacKinnon, J. A., and M. C. Gregg (2005a), Near-inertial waves on the New England shelf: The role of evolving stratification, turbulent dissipation, and bottom drag, J. Phys. Oceanogr., 35, 2408-2424.
24. MacKinnon, J. A., and M. C. Gregg (2005b), Spring mixing: Turbulence and internal waves during restratification on the New England shelf, J. Phys. Oceanogr., 35, 2425-2443.
25. Moum, J. N., and J. D. Nash (2000), Topographically induced drag and mixing at a small bank on the continental shelf, J. Phys. Oceanogr, 30, 2049-2054.
26. Moum, J. N., and W. D. Smyth (2006), The pressure disturbance of a nonlinear internal wave train, J. Fluid Mech., 558, 153-177.
27. Moum, J. N., M. C. Gregg, R. C. Lien, and M. E. Carr (1995), Comparison of turbulence kinetic energy dissipation rate estimates from two ocean microstructure profilers, J. Atmos. Oceanic Technol., 12, 346-366.
28. Moum, J. N., D. M. Farmer, W. D. Smyth, L. Anni, and S. Vagle (2003), Structure and generation of turbulence at interfaces strained by internal solitary waves propagating shoreward over the continental shelf, J. Phys. Oceanogr., 33, 2093-2112.
29. Moum, J. N., J. M. Klymak, J. D. Nash, A. Perlin, and W. D. Smyth (2007a), Energy transport by nonlinear internal waves, J. Phys. Oceanogr., in press.
30. Moum, J. N., D. M. Farmer, E. L. Shroyer, W. D. Smyth, and L. Armi (2007b), Dissipative losses in nonlinear internal waves propagating across the continental shelf, J. Phys. Oceanogr., in press.
31. Nash, J. D., and J. N. Moum (2001), Internal hydraulic flows on the continental shelf. High drag states over a small bank, J. Geophys. Res., 106, 4593-4612.
32. Osborn, T. R. (1980), Estimates of die local rate of vertical diffusion from dissipation measurements, J. Phys. Oceanogr., 10, 83-89.
33. Peltier, W. R., and C. P. Caulfield (2003), Mixing efficiency in stratified sheared flows, Annu. Rev. Fluid Mech., 35, 135-167.
34. Perlin, A., J. N. Moum, and J. M. Klymak (2005a), Response of the bottom boundary layer over a sloping shelf to variations in alongshore wind, J. Geophys. Res., 110, C10S09, doi:10.1029/2004JC002500.
35. Perlin, A., J. N. Moum, J. M. Klymak, M. D. Levine, T. Boyd, and P. M. Kosro (2005b), A modified law-of-the-wall applied to oceanic bottom boundary layers, J. Geophys. Res., 110, C10S10, doi:10.1029/ 2004JC002310.
36. Perlin, A., J. N. Moum, J. M. Klymak, M. D. Levine, T. Boyd, and P. M. Kosro (2007), Organization of stratification, turbulence, and veering in bottom Ekman layers, J. Geophys. Res., 112, C05S90, doi:10.1029/ 2004JC002641.
37. Rippeth, T. P., N. R. Fisher, and J. H. Simpson (2001), The cycle of turbulent dissipation in the presence of tidal straining, J. Phys. Oceanogr., 31, 2458-2471.
38. Sanford, T. B., and R.-C. Lien (1999), Turbulent properties in a homogeneous bottom tidal boundary layer, J. Geophys. Res., 104, 1245-1257.
39. Torgrimsori, G. M., and B. M. Hickey (1978), Barotropic and baroclinic tides over the continental slope and shelf off Oregon, J. Phys. Oceanogr., 9, 945-961.
40. Winkel, D. P., M. C. Gregg, and T. B. Sanford (2002), Patterns of shear and turbulence across the Florida Current, J. Phys. Oceanogr., 32, 3269-3282.