Comparing two 38-kHz scientific echosounders

ICES Journal of Marine Science

Volumn 62, Issue 6, 2005, Pages 1168-1179

  Jech, J Michael ^a   Foote, Kenneth G ^b   Chu, Dezhang ^b   Hufnagle Jr , Lawrence C ^c  

^a NORTHEAST FISHERIES SCIENCE CENTER   (United States)

^b WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

^c NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

Author keywords

Calibration; Echosounder; Fisheries acoustics

Indexed keywords

COMPARATIVE STUDY; ECHO SOUNDER;

EID: 23944479183     PISSN: 10543139     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.icesjms.2005.02.014     Document Type: Article

References (25)

1. L.N. Andersen The new Simrad EK60 scientific echosounder system Journal of the Acoustical Society of America 109 2001 2336
2. H. Bodholt, H. Nes, and H. Solli A new echosounder system Proceedings of the Institute of Acoustics 11 3 1989 123 130
3. D.A. Demer, M.A. Soule, and R.P. Hewitt A multiple-frequency method for potentially improving the accuracy and precision of in situ target-strength measurements Journal of the Acoustical Society of America 105 1999 2359 2376
4. Doherty, K. W., Hammar, T. R., and Foote, K. G. 2002. Transducer mounting and rotating system for calibrating sonars in a sea well. Oceans 2002 MTS/IEEE Conference Proceedings, pp. 1407-1410.
5. J.E. Ehrenberg A comparative analysis of in situ methods for directly measuring the acoustic target strength of individual fish IEEE Journal of Oceanic Engineering OE-4 4 1979 141 152
6. K.G. Foote Optimizing copper spheres for precision calibration of hydroacoustic equipment Journal of the Acoustical Society of America 71 1982 742 747
7. K.G. Foote Maintaining precision calibrations with optimal spheres Journal of the Acoustical Society of America 73 1983 1054 1063
8. Foote, K. G. 1986. Digital representation of split-beam-transducer beam patterns. ICES C.M. 1986/B: 2. 7 pp.
9. K.G. Foote, A. Aglen, and O. Nakken Measurement of fish target strength with a split-beam echosounder Journal of the Acoustical Society of America 80 1986 612 621
10. Foote, K. G., Knudsen, H. P., Vestnes, G., MacLennan, D. N., and Simmonds, E. J. 1987. Calibration of acoustic instruments for fish-density estimation: a practical guide. ICES Cooperative Research Report, 44.
11. K.G. Foote, and D.N. MacLennan Comparison of copper and tungsten carbide spheres Journal of the Acoustical Society of America 75 1984 612 616
12. K.G. Foote, and T.K. Stanton Acoustical methods R. Harris P. Wiebe J. Lenz H.R. Skjoldal M. Huntley ICES Zooplankton Methodology Manual 2000 Academic Press San Diego 223 258 (ch. 6)
13. G.C. Gaunaurd Sonar cross-section of bodies partially insonified by finite sound beams Oceanic Engineering OE-10 1985 213 230
14. D.R. Gunderson Surveys of Fisheries Resources 1993 Wiley New York 248 pp.
15. J.M. Jech, W. Michaels, W. Overholtz, W. Gabriel, T. Azarovitz, D. Ma, K. Dwyer, and R. Yetter Fisheries acoustic surveys in the Gulf of Maine and on Georges Bank at the Northeast Fisheries Science Center Proceedings of the Sixth International Conference on Remote Sensing for Marine and Coastal Environments 1-3 May, Charleston, South Carolina, USA 2000 Veridian ERIM International Ann Arbor, Michigan, USA
16. Kieser, R., and Ona, E. 1988. Comparative analysis of split-beam data. ICES C.M. 1988/B: 44. 9 pp. + 7 Figures.
17. D.N. MacLennan Acoustical measurement of fish abundance Journal of the Acoustical Society of America 87 1990 1 15
18. H. Medwin, and C.S. Clay Fundamentals of Acoustical Oceanography 1998 Academic Press New York 712 pp.
19. Ona, E., and Vestnes, G. 1985. Direct measurements of equivalent beam angle on hull-mounted transducers. ICES C.M. 1985/B: 43. 6 pp. + 5 figs.
20. P. Reynisson A geometric method for measuring the directivity of hull-mounted transducers Rapports et Procès-Verbaux des Réunions du Conseil International pour l'Exploration de la Mer 189 1990 176 182
21. P. Reynisson Monitoring of equivalent beam angles of hull-mounted acoustic survey transducers in the period 1983-1995 ICES Journal of Marine Science 55 1998 1125 1132
22. E.J. Simmonds Very accurate calibration of a vertical echosounder: a five-year assessment of performance and accuracy Rapport et Procès- Verbaux des Réunions du Conseil International pour l'Exploration de la Mer 189 1990 183 191
23. E.J. Simmonds, I.B. Petrie, F. Armstrong, and P.J. Copland High-precision calibration of a vertical sounder system for use in fish-stock estimation Proceedings of the Institute of Acoustics 6 5 1984 129 138
24. SIMRAD Simrad EK60 Scientific Echosounder Instruction Manual - Base Version 2001 Simrad AS Horton, NO 246 pp.
25. R.J. Urick Principles of Underwater Sound 3rd edn 1983 McGraw-Hill New York 423 pp.