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A multiple-frequency method for potentially improving the accuracy and precision of in situ target strength measurements
1.AMLR (1997). 1996/97 Field Season Report: Objectives, Accomplishments, and Tentative Conclusions, edited by J. Rosenberg, SWFSC Admin. Rep. LJ-97-09.
2.Bodholt, H., Nes, H., and Solli, H. (1983). A new echo-sounder system for fish abundance estimation and fishery research, ICES Council Meeting 1988 (collected papers) (ICES, Copenhagen, Denmark).
3.Bodholt, H. (1990). Fish density derived from echo-integration and in-situ target strength measurements, ICES Council Meeting 1990 (collected papers) (ICES, Copenhagen, Denmark).
4.Bodholt, H. (1991). “Split-beam transducer for target strength measurement,” in Scandinavian Cooperation Meeting in Acoustics XIII, edited by H. Hobæk, Department of Physics Sci./Tech. Rep. 227 (University of Bergen, Bergen, Norway), p. 73.
5.Bodholt, H., and Solli, H. (1992). “Application of the split-beam technique for in-situ target strength measurements,” World Fisheries Congress, Athens.
6.Brierly, A. S. , Ward, P. , Watkins, J. L. , and Goss, C. ( 1998). “Acoustic discrimination of Southern Ocean zooplankton,” Deep Sea Res. II 45(7), 1155–1173.
7.Chu, D. , Stanton, T. K. , and Wiebe, P. H. (1992). “Frequency dependence of sound backscattering from live individual zooplankton,” ICES J. Mar. Sci., 49, 97–106.
8.Demer, D. A. (1994). “Accuracy and precision of acoustic surveys of Antarctic krill,” Ph.D. thesis, UCSD.
9.Demer, D. A. , and Martin, L. V. (1995). “Zooplankton target strength: Volumetric or areal dependence?” J. Acoust. Soc. Am. 98, 1111–1118.
10.Devereaux, R. F. (1953). “Isaacs-Kidd midwater trawl,” Scripps Institution of Oceanography, Refer. 53–3.
11.Ehrenberg, J. E. (1979). “A comparative analysis of in situ methods for directly measuring the acoustic target strength of individual fish,” IEEE J. Ocean Eng. OE-4, 141–152.
12.Ehrenberg, J. E. (1989), “A Review of Target Strength Estimation Techniques,” in Underwater Acoustic Data Processing (Kluwer, Boston), pp. 161–175.
13.Fernandes, P. G., and Simmonds, E. J. (1996). “Practical approaches to account for receiver delay and the TVG start time in the calibration of the Simrad EK500,” ICES C. M. B:17, 8 pp (mimeo).
14.Foote, K. G. (1983). “Maintaining precision calibrations with optimal copper spheres,” J. Acoust. Soc. Am. 73, 1054–1063.
15.Foote, K. G. (1990). “Spheres for calibrating an eleven-frequency acoustic measurement system,” ICES J. Mar. Sci. 46, 284–286.
16.Foote, K. G. (1991). “Summary of methods for determining fish target strength at ultrasonic frequencies,” ICES J. Mar. Sci. 48, 211–217.
17.Foote, K. G. (1996). “Coincidence echo statistics,” J. Acoust. Soc. Am. 99, 266–271.
18.Greenlaw, C. F. (1979). “Acoustical estimation of zooplankton populations,” Limnol. Oceanogr. 24, 226–242.
19.Greenlaw, C. F. , and Johnson, R. K. (1983). “Multiple-frequency Acoustical Estimation,” Biol. Oceanogr. 2, 227–252.
20.Hewitt, R. P. , and Demer, D. A. (1991). “Krill abundance,” Nature (London), 353, 310.
21.Hewitt, R. P. , and Demer, D. A. (1993). “Dispersion and abundance of Antarctic krill in the vicinity of Elephant Island in the 1992 austral summer,” Mar. Ecol. Prog. Ser. 99, 29–39.
22.Holliday, D. V. (1977). “Extracting bio-physical information from the acoustic signatures of marine organisms,” in Oceanic Sound Scattering Prediction, edited by N. R. Andersen and B. J. Zahuranec (Plenum, New York).
23.Kerr, D. E. (1988). Propagation of Short Radio Waves (McGraw-Hill, New York, 1951), reprinted (Peninsula, Los Altos, CA).
24.MacLennan, D. N. (1987). “Time-varied-gain functions for pulsed sonars,” J. Sound Vib. 110, 511–522.
25.MacLennan, D. N., and Simmonds, E. J. (1992). Fisheries Acoustics (Chapman and Hill, London).
26.Madureira, L. S. P. , Ward, P. , and Atkinson, A. (1993). “Differences in backscattering strength determined at 120 and 38 kHz for three species of Antarctic macroplankton,” Mar. Ecol. Prog. Ser. 93, 17–24.
27.Martin, L. V. , Stanton, T. K. , Wiebe, P. H. , and Lynch, J. F. (1996). “Acoustic classification of zooplankton,” ICES J. Mar. Sci. 53(2), 217–224.
28.Medwin, H., and Clay, C. S. (1998). Fundamentals of Acoustical Oceanography (Academic, San Diego).
29.Rice, J. A. (1988). Mathematical Statistics and Data Analysis (Duxbury Press, Belmont, CA).
30.Senturia, S. D. and Wedlock, B. D. (1975). Electronic Circuits and Applications (Wiley, New York).
31.Simmonds, E. J. , Armstrong, F. , and Copland, P. J. (1996). “Species identification using wideband backscatter with neural network and discriminant analysis,” ICES J. Mar. Sci. 53(2), 189–196.
32.Simrad (1996). “Simrad EK500 Scientific Echo Sounder Instruction Manual,” Simrad Subsea A/S, Horten, Norway.
33.Soule, M. A. , Barange, M. , and Hampton, I. (1995) “Evidence of bias in estimates of target strength obtained with a split-beam echo-sounder,” ICES J. Mar. Sci. 52, 139–144.
34.Soule, M. A. , Hampton, I. , and Barange, M. (1996). “Potential improvements to current methods of recognizing single targets with a split-beam echo-sounder,” ICES J. Mar. Sci. 53, 237–243.
35.Soule, M. A. , Barange, M. , Solli, H. , and Hampton, I. (1997). “Performance of a new phase algorithm for discriminating between single and overlapping echoes in a split-beam echo-sounder,” ICES J. Mar. Sci. 54, 934–938.
36.Stanton, T. K. , Wiebe, P. H. , Chu, D. , Benfield, M. , Scanlon, L. , Martin, L. V. , and Eastwood, R. L. (1994). “On acoustic estimates of zooplankton biomass,” ICES J. Mar. Sci. 51, 505–512.
37.Thompson, C. H. , and Love, R. H. (1996). “Determination of fish size distributions and areal densities using broadband low-frequency measurements,” ICES J. Mar. Sci. 53(2), 197–202.
38.Wilson, O. B. (1988). Introduction to Theory and Design of Sonar Transducers (Peninsula, Los Altos, CA).
39.Zakharia, M. E. , Magand, F. , Hetroit, F. , and Diner, N. (1996). “Wideband sounder for fish species identification at sea,” ICES J. Mar. Sci. 53(2), 203–208.
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