Seismic reflection along the path of the Mediterranean Undercurrent

Continental Shelf Research

Volumn 29, Issue 15, 2009, Pages 1848-1860

  Buffett, G G ^a   Biescas, B ^b   Pelegri J L ^c   Machin F ^c   Sallares V ^b   Carbonell, R ^a   Klaeschen, D ^d   Hobbs, R ^e  

^a INSTITUTE OF EARTH SCIENCES JAUME ALMERA   (Spain)

^b CSIC Unidad de Tecnologia Marina UTM   (Spain)

^c INSTITUT DE CIÈNCIES DEL MAR   (Spain)

^d GEOMAR HELMHOLTZ CENTRE FOR OCEAN RESEARCH KIEL   (Germany)

^e DURHAM UNIVERSITY   (United Kingdom)

Author keywords

Amplitude; Entrainment; Mediterranean Undercurrent; Mixing; Salinity; Seismic oceanography; Temperature; Thermohaline fine structure

Indexed keywords

COMPARATIVE STUDY; ENTRAINMENT; NORTH ATLANTIC DEEP WATER; SALINITY; SEISMIC REFLECTION; THERMOHALINE STRUCTURE; UNDERCURRENT;

ATLANTIC OCEAN; GULF OF CADIZ;

EID: 69249209739     PISSN: 02784343     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.csr.2009.05.017     Document Type: Article

References (63)

1. Ambar I., Armi L.D., Bower A., and Ferreira T. Some aspects of time variability of the Mediterranean Water off South Portugal. Deep-Sea Res. 46 (1999) 1109-1136
2. Ambar I., Serra N., Brogueira M., Cabecadas G., Abrantes F., Freitas P., Gonçalves C., and González N. Physical, chemical and sedimentological aspects of the Mediterranean outflow off Iberia. Deep-Sea Res. II 49 (2002) 4163-4177
3. Armi L.D., Hebert D., Oakey N., Price J.F., Richardson P.L., Rossby H.T., and Ruddick B. Two years in the life of a Mediterranean salt lens. J. Phys. Oceanogr. 19 (1989) 354-370
4. Batchelor, G.K., 1957. Symposium on Naval Hydrodynamics, National Academy of Sciences, Washington DC, pp. 409-423.
5. Batchelor G.K. An Introduction to Fluid Dynamics (1977), Cambridge University Press, Cambridge
6. Biescas B., Sallarès V., Pelegrí J.L., Machín F., Carbonell R., Buffett G., Dañobeitia J.J., and Calahorrano A. Imaging meddy finestructure using multichannel seismic reflection data. Geophys. Res. Lett. 35 (2008) L11609 10.1029/2008GL033971
7. Bower A.S., Armi L.D., and Ambar I. Lagrangian observations of meddy formation during a Mediterranean Undercurrent seeding experiment. J. Phys. Oceanogr. 27 (1997) 2545-2575
8. Bower A.S., Serra N., and Ambar I. Structure of the Mediterranean Undercurrent and Mediterranean Water spreading around the Southwestern Iberian Peninsula. J. Geophys. Res. 107 C10 (2002) 3161 10.1029/2001JC001007
9. Brandt, A., 1975. Acoustic returns from density fluctuations in turbulent jets. In: Oceans, vol. 75. IEEE, New York.
10. Candela J. Mediterranean water and global circulation. Observing and modelling the global ocean. In: Church J., Siedler G., and Gould J. (Eds). Ocean Circulation and Climate (2001), Academic Press, New York 419-429
11. Chernov L.A. Correlation of amplitude and phase fluctuations of a wave propagating in a medium with random inhomogeneities. Akust. Zh. 3 (1957) 192
12. Chérubin L.M., Serra N., and Ambar I. Low frequency variability of the Mediterranean Undercurrent downstream of Portimão Canyon. J. Geophys. Res. 108 3 (2003) 3058 10.1029/2001JC001229
13. Claerbout, J.F., 1978. Snell waves. Stanford exploration project report (15), Stanford University, pp. 57-72.
14. Cowen C.F.N., and Grant P.M. Adaptive Filters (1985), Prentice-Hall, New Jersey
15. Daniault N., Mazé J.P., and Arhan M. Circulation and mixing of Mediterranean Water west of the Iberian Peninsula. Deep-Sea Res. 41 1 (1994) 1614-1685
16. Gazdag J. Wave-equation migration by phase shift. Geophysics 43 (1978) 1342-1351
17. Géli, and Cosquer, in preparation.
18. Gonella, J., Michon, D., 1988. Ondes internes profondes revelees par sismique reflexion au sein des masses d'eau en atlantique-est, 306.
19. González A., Torné M., Córdoba D., Vidal N., Matias L.M., and Díaz J. Crustal thinning in the southwestern Iberia Margin. Geophys. Res. Lett. 23 18 (1996) 2477-2480
20. Goodman L. Acoustic scattering from ocean microstructure. J. Geophys. Res. 95 C7 (1990) 11,557-11,573
21. Hatton L., Worthington M.H., and Makin J. Seismic Data Processing, Theory and Practice (1986), Blackwell Scientific Publications, Oxford ISBN: 0-632-01374-5
22. Haury L.R., Wiebe P.H., Orr M.H., and Briscoe M.G. Tidally generated high-frequency internal wave packets and their effects on plankton in Massachusetts Bay. J. Mar. Res. 41 (1983) 65-112
23. Holbrook W.S., and Fer I. Ocean internal wave spectra inferred from seismic reflection transects. Geophys. Res. Lett. 32 (2005) L15604 10.1029/2005GL023733
24. Holbrook W.S., Páramo P., Pearse S., and Schmitt R.W. Thermohaline fine structure in an oceanographic front from seismic reflection profiling. Science 301 (2003) 821-824
25. Iorga M.C., and Lozier M.S. Signatures of the Mediterranean outflow from a North Atlantic climatology, 1, salinity and density fields. J. Geophys. Res. 104 C11(a) (1999) 25,985-26,029
26. Johnson G.C., Sanford T.B., and O'Neil Baringer M. Stress on the Mediterranean outflow plume: part i. velocity and water property measurements. J. Phys. Oceanogr. 24 (1994) 2072-2083
27. Jones I.F., and Levy S. Signal-to-noise ratio enhancement in multichannel seismic data via the Karhunen-Loeve transform. Geophys. Prospect. 35 (1987) 12-32
28. Ledwell J., Watson A., and Law C. Mixing of a tracer in the pycnocline. J. Geophys. Res. 103 21 (1998) 21,499-21,529
29. Machín F., Hernández-Guerra A., and Pelegrí J.L. Mass fluxes in the Canary Basin. Prog. Oceanogr. 70 (2006) 416-447
30. Madelain F. Influence de la topographie du fond sur l'ecoulement méditerranée entre le detroit de gibraltar et le cap saint-vincent. Cah. Oceanogr. 22 1 (1970) 43-61
31. Munk W.H., and Garrett J.C.R. Internal wave breaking and microstructure (the chicken and the egg). Boundary-Layer Meteorol. 4 (1973) 37-45
32. Munk W.H., and Wunsch C. Ocean acoustic tomography: a scheme for large scale monitoring. Deep-Sea Res. A26 (1979) 123-161
33. Nakamura Y., Noguchi T., Tsuji T., Itoh S., Niino H., and Matsuoka T. Simultaneous seismic reflection and physical oceanographic observations of oceanic fine structure in the Kuroshio extension front. Geophys. Res. Lett. 33 (2006) L23605 10.1029/2006GL027437
34. Nandi P., Holbrook W.S., Pearse S., Páramo P., and Schmitt R.W. Seismic reflection imaging of water mass boundaries in the Norwegian Sea. Geophys. Res. Lett. 31 (2004) L23311
35. Obukhov A.M. Scattering of sound in turbulent flow. Dokl. Akad. Nauk. SSSR 30 (1941) 611-614
36. Ochoa J., and Bray N.A. Water mass exchange in the Gulf of Cádiz. Deep-Sea Res. 38 Suppl. 1 (1991) S465-S503
37. Orr M.H., and Hess F.R. Remote acoustic monitoring of natural suspensate distributions, active suspensate and slope/shelf water intrusions. J. Geophys. Res. 83 (1978) 4062-4068
38. Ottersten H. Atmospheric structure and radar backscattering in clear air. Radio Sci. 4 (1969) 1179-1193
39. Páramo P., and Holbrook W.S. Temperature contrasts in the water column inferred from amplitude-versus-offset analysis of acoustic reflections. Geophys. Res. Lett. 32 (2005) L24611 10.1029/2005GL024533
40. Phillips J.D., and Dean D.F. Multichannel acoustic reflection profiling of ocean water mass temperature/salinity interfaces. In: Potter J., and Warn-Varnas A. (Eds). Ocean Variability and Acoustic Propagation (1991), Springer, New York 199-214
41. Pelegrí J.L., and Sangrá P. A mechanism for layer formation in stratified geophysical flows. J. Geophys. Res. 103 (1998) 30679-30693
42. Price J.F., Baringer M.O., Lueck R.G., Johnson G.C., Ambar I., Parrilla G., Cantos A., Kennelly M.A., and Sanford T.B. Mediterranean outflow mixing and dynamics. Science 259 (1993) 1277-1282
43. Richardson P.L., Walsh D., Armi L.D., Schroder M., and Price J.F. Tracking three meddies with sofar floats. J. Phys. Oceanogr. 19 (1989) 371-383
44. Richardson P.L., Bower A.S., and Zenk W. A census of meddies tracked by floats. Progr. Oceanogr. 45 (2000) 209-250
45. Ruddick B. Intrusive mixing in a Mediterranean salt lens-intrusion slopes and dynamical mechanisms. J. Phys. Oceanogr. 22 (1992) 1274-1285
46. Ruddick B. Sounding out ocean fine structure. Science 301 (2003) 772-773
47. Ruddick B., and Gargett A. Oceanic double-infusion: introduction. Prog. Oceanogr. 56 (2003) 381-393
48. Ruddick B., and Kerr O. Oceanic thermohaline intrusions: theory. Prog. Oceanogr. 56 (2003) 483-497
49. Ruddick B., Song H., Dong C., and Pinheiro L. Water column seismic images as maps of temperature gradient. Oceanography 22 1 (2009) 184-197
50. Ruiz, A.L., 1997. Encyclopedia of the sea (in Spanish). Encyclopedias Planeta. ISBN 84-08-01589-3.
51. Schmitt R.W. Double diffusion in oceanography. Ann. Rev. Fluid Mech. 24 (1994) 255-285
52. Serra N., and Ambar I. Eddy generation in the Mediterranean Undercurrent. Deep-Sea Res. II 49 (2002) 4225-4243
53. Sheriff R.E., and Geldart L.P. The CMP method of seismic reflection acquisition. Exploration Seismology, History, Theory and Data Acquisition vol. 1 (1982), Cambridge University Press, Cambridge
54. Stanton T., Chu K.D., and Wiebe P.H. Acoustic scattering characteristics of several zooplankton groups. ICES J. Mar. Sci. 53 (1996) 289-295
55. St. Laurent L., and Schmitt R.W. The contribution of salt fingers to vertical mixing in the North Atlantic tracer release experiment. J. Phys. Oceanogr. 29 (1999) 1404-1424
56. Tatarski, V.I., 1971. The Effects of Turbulent Atmosphere on Wave Propagation. Israel Program for Scientific Translation, Jerusalem, US Department of Commerce Publ., TT-68-50464, pp. 153-162.
57. Thorpe S.A. The Turbulent Ocean (2005), Cambridge University Press, New York ISBN-13 978-0-521-83543-5
58. Treitel S. The complex Wiener filter. Geophysics 39-2 (1974) 169-173
59. Tsuji T., Noguchi T., Niino H., Matsuoka T., Nakamura Y., Tokuyama H., Kuramoto S., and Bangs N. Two-dimensional mapping of fine structures in the Kuroshio Current using seismic reflection data. Geophys. Res. Lett. 32 (2005) L14609 10.1029/2005GL023095
60. Widess M. How thin is a thin bed?. Geophysics 38 (1973) 1176-1180
61. Wood W.T., Holbrook W.S., Sen M.K., and Stoffa P.L. Full waveform inversion of reflection seismic data for ocean temperature profiles. Geophys. Res. Lett. 35 (2008) L04608 10.1029/2007GL032359
62. Xu X., Chassignet E.P., Price J.F., Özgökmen T.M., and Peters H. A regional modeling study of the entraining Mediterranean outflow. J. Geophys. Res. 112 (2007) C12005 10.1029/2007JC004145
63. Yilmaz, O., 1987. Seismic Data Processing, vol. 2. Society of Exploration Geophysicists.