The response of sound scatterers to El Ninõ- and La Niña-like oceanographic regimes in the southeastern Atlantic

ICES Journal of Marine Science

Volumn 66, Issue 6, 2009, Pages 1063-1072

  Ostrowski, Marek ^a   Da Silva, José C B ^b   Bazik Sangolay, Bomba ^c  

^a INSTITUTE OF MARINE RESEARCH   (Norway)

^b UNIVERSITY OF LISBON   (Portugal)

^c Ilha de Luanda   (Angola)

Author keywords

Angolan upwelling; Tidal internal waves; Volume backscatter

Indexed keywords

EID: 71849086996     PISSN: 10543139     EISSN: 10959289     Source Type: Journal    
DOI: 10.1093/icesjms/fsp102     Document Type: Conference Paper

References (40)

1. Alldredge, A. L., Cowles, T. J., MacIntyre, S., Rines, J. E., Donaghay, P. L., Greenlaw, C. F., Holliday, D. V., et al. 2002. Occurrence and mechanisms of formation of dramatic thin layer of marine snow in shallow Pacific fjord. Marine Ecology Progress Series, 233:1-12. (Pubitemid 34609080)
2. Apel, J. R. 2004. Oceanic internal waves and solitons. In Synthetic Aperture Radar Marine User's Manual, pp. 189-206. Ed. by C. R. Jackson, and J. R. Apel. US Department of Commerce.
3. Benoit-Bird, K. J., Au, W. W., Brainard, R. E., and Lammers, M. 2001. Diel horizontal migration of the Hawaiian mesopelagic boundary community observed acoustically. Marine Ecology Progress Series, 217:1-14. (Pubitemid 32817895)
4. Berrit, G. R. 1976. Les eaux froides cô tières du Gabon à L'Angola sont-elles dues à un upwelling d'Ekman. Cahiers ORSTOM, Séries Océanographie, 14:473-478.
5. Berrit, G. R., and Dias, C. A. 1977. Hydroclimatologie des Régions Cô tières de L'Angola. Cahiers ORSTOM, Séries Océanographie, 15:181-196.
6. Birch, D. A., Young, W. R., and Franks, P. J. 2008. Thin layers of plankton: formation by shear and death by diffusion. Deep Sea Research I: Oceanographic Research Papers, 55:277-295.
7. Carr, M-E., and Kearns, E. J. 2003. Production regimes in four Eastern Boundary Current systems. Deep Sea Research II: Topical Studies in Oceanography, 50:3199-3221. (Pubitemid 37537794)
8. Colosi, J. A., Beardslay, R. C., Lynch, J. F., Gawarkiewicz, G., Chiu, C-S., and Scotti, A. 2001. Observations of nonlinear internal waves on the outer New England continental shelf during the summer Shelfbreak Primer Study. Journal of Geophysical Research, 106:9587-9601.
9. da Silva, J. C. B., Ermakov, S. A., and Robinson, I. S. 2000. Role of surface films in ERS SAR signatures of internal waves on the shelf. III. Mode transitions. Journal of Geophysical Research, 105:24089-24104.
10. Farmer, D., and Armi, L. 1999. The generation and trapping of solitary waves over topography. Science, 283:188-190.
11. Florenchie, P., Reason, C. J. C., Lutjeharms, J. R. E., and Rouault, M. 2004. Evolution of interannual warm and cold events in the southeast Atlantic Ocean. Journal of Climate, 17:2318-2334. (Pubitemid 38945785)
12. Foote, K. G., Knudsen, H. P., Vestnes, D. N., MacLennan, D. N., and Simmonds, E. J. 1987. Calibration of acoustic instruments for fish density estimation: a practical guide. ICES Cooperative Research Report, 144. 69 pp.
13. Franks, P. J. 1997. Spatial patterns in dense algal blooms. Limnology and Oceanography, 42:1297-1305.
14. Gammelsrød, C. H., Bartholomae, C. H., Boyer, D. C., Filipe, V. L., and O'Toole, M. J. 1998. Intrusion of warm surface waters along the Angolan-Namibian coast in February-March 1995: the 1995 Benguela Niño. South African Journal of Marine Science, 19:41-56. (Pubitemid 29207728)
15. Handoh, I. C., and Bigg, G. 2000. A self-sustaining climate mode in the tropical Atlantic, 1995-1997: observation and modelling. Quarterly Journal of the Royal Meteorological Society, 126:807-821. (Pubitemid 30309365)
16. Hardman-Mountford, N. J., Richardson, A. J., Agenbag, J. J., Hagen, E., Nykjaer, L., Shillington, F. A., and Villacastin, C. 2003. Ocean climate of the south east Atlantic observed from satellite data and wind models. Progress in Oceanography, 59:181-221. (Pubitemid 38307966)
17. Hellerman, S. 1979. Charts of the variability of the windstress over the tropical Atlantic. Deep Sea Research, 26(Suppl. 2):63-76.
18. Holliday, D. V., Donaghay, P. L., Greenlaw, C. F., McGehee, D. E., McManus, M. A., Sullivan, J. M., and Miksis, J. L. 2003. Advances in defining fine-and micro-scale pattern in marine plankton. Aquatic Living Resources, 16:131-136. (Pubitemid 37065168)
19. Huyer, A., Smith, R. L., and Fleishbein, J. 2002. The coastal ocean off Oregon and northern California during the 1997-8 El Niño. Progress in Oceanography, 54:311-341.
20. Kloster, R. J., Ryan, F., Sakov, P., Williams, A., and Koslow, J. A. 2002. Species identification in deep water using multiple acoustic frequencies. Canadian Journal of Fisheries and Aquatic Sciences, 59:1065-1077.
21. Knutsen, H. P. 1990. The Bergen echo integrator: an introduction. Journal du Conseil International pour l'Exploration de la Mer, 47:164-167.
22. Kosro, P. M. 2002. A polewards jet and equatorwards undercurrent observed off Oregon and Northern California, during the 1997-98 El Niño. Progress in Oceanography, 54:343-363.
23. Lavery, A., Wiebe, P., Stanton, T., Lawson, G. L., Benfield, M. C., and Copley, N. 2007. Determining dominant scatterers of sound in mixed zooplankton populations. Journal of the Acoustical Society of America, 122:3304-3326. (Pubitemid 351189389)
24. Lazar, A., Polo, I., Arnault, S., and Mainsant, G. 2006. Kelvin waves activity in the eastern tropical Atlantic. Conference 15 Years of Progress in Radar Altimetry, Venice, Italy. 6 pp. http://earth.esa.int/workshops/venice06/ participants/1263/paper-1263-lazar.pdf.
25. McManus, M. A., Alldredge, A. L., Barnard, A. H., Boss, E., Case, J. F., Cowles, T. J., Donaghay, P. L., et al. 2003. Characteristics, distribution and persistence of thin layers over a 48 hour period. Marine Ecology Progress Series, 261:1-19. (Pubitemid 37425108)
26. McManus, M. A., Cheriton, O. M., Drake, P. J., Holliday, D. V., Storlazzi, C. D., Donaghay, P. L., and Greenlaw, C. F. 2005. Effects of physical processes on structure and transport of thin zooplankton layers in the coastal ocean. Marine Ecology Progress Series, 301:199-215. (Pubitemid 41608886)
27. Mohrholz, V., Bartholomae, C. H., van der Plas, A. K., and Lass, H. U. 2008. The seasonal variability of the northern Benguela undercurrent and its relation to the oxygen budget on the shelf. Continental Shelf Research, 28:424-441.
28. Moum, J. N., Farmer, D. M., Smyth, W. D., Armi, L., and Vagle, S. 2003. Structure and generation of turbulence at interfaces strained by internal solitary waves propagating shoreward over the continental shelf. Journal of Physical Oceanography, 33:2093-2112. (Pubitemid 37477447)
29. Nash, J. D., and Moum, J. N. 2005. River plumes as a source of large-amplitude internal waves in the coastal ocean. Nature, 437:400-403. (Pubitemid 41613500)
30. Ostrowski, M. 2007. Impact of equatorial Kelvin waves on aggregation of sardinellas (Sardinella spp.) in Angolan waters. ICES Document CM 2007/G: 08. 32 pp.
31. Picaut, J. 1983. Propagation of the seasonal upwelling in the eastern equatorial Atlantic. Journal of Physical Oceanography, 13:18-37.
32. Pineda, J. 1999. Circulation and larval fish distribution in internal tide bore warm fronts. Limnology and Oceanography, 44:1400-1416.
33. Postel, L., da Silva, A. J., Mohrholz, V., and Lass, U. 2007. Zooplankton biomass variability off Angola and Namibia investigated by a lowered ADCP and net sampling. Journal of Marine Systems, 68:143-166. (Pubitemid 47575872)
34. Sætelsdal, G., Bianchi, G., and Strømme, T. 1999. The Dr Fridtjof Nansen Programme 1975-1993. Investigations of fishery resources in developing regions. History of the programme and review of results. FAO Fisheries Technical Paper, 391. 434 pp.
35. Sandstrom, H., and Elliot, L. 1984. Internal tide and ISWs on the Scotian Shelf: a nutrient pump at work. Journal of Geophysical Research, 89:6415-6426. (Pubitemid 14601231)
36. Schouten, M. W., Matano, R. P., and Strub, T. P. 2005. A description of the seasonal cycle of the equatorial Atlantic from altimeter data. Deep Sea Research I, 52:477-493. (Pubitemid 40359096)
37. Stramma, L., and Schott, F. A. 1999. The mean flow field of the tropical Atlantic Ocean. Deep Sea Research II, 46:279-303. (Pubitemid 29163249)
38. Torrence, C., and Compo, G. P. 1998. A practical guide to wavelet analysis. Bulletin of the American Meteorological Society, 69:61-78. (Pubitemid 128494959)
39. Vaz Velho, F. V., Axelsen, B. E., Barros, P., and Bauleth-D'Almeida, G. 2006. Identification of acoustic targets off Angola using general discriminant analysis. African Journal of Marine Science, 28:525-533. (Pubitemid 46094231)
40. Wauthy, B. 1977. Révision de la Classification de Surface du Golfe de Guinée (Berrit 1961). Cahiers ORSTOM, Séries Océanographie, 15:279-295.