112 results on '"Amakasu, Kazuo"'
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2. Volume backscattering spectra measurements of Antarctic krill using a broadband echosounder
3. Effects of fast Fourier transform window size on the target strength spectra of tungsten carbide spheres
4. Biomass of Antarctic krill (Euphausia superba) in the eastern Indian sector of the Southern Ocean (80–150°E) in the 2018–19 austral summer
5. Estimated ammonium regeneration potentials of two common euphausiid species (Euphausia superba and E. crystallorophias) off Adélie Land, East Antarctica, in austral summer, 2008
6. Annual variation of oceanographic conditions changed migration timing of bowhead whales Balaena mysticetus in the southern Chukchi Sea
7. Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
8. A new seismic survey technology using underwater speaker detected a low-velocity zone near the seafloor: an implication of methane gas accumulation in Tokyo Bay
9. WITHDRAWN: Biomass of Antarctic krill in the eastern Indian sector of the Southern Ocean (80–150°E) in the 2018–19 austral summer based on echosounder data
10. Estimation of target strength of Sardina pilchardus and Sardinella aurita by theoretical approach
11. A broadband target strength measurement method for weakly scattering animals using a 50-ms-long linear frequency modulated signal in a small tank
12. Basin-scale distribution pattern and biomass estimation of Japanese anchovy Engraulis japonicus in the western North Pacific
13. Multilayer biological structure and mixing in the upper water column of Lake Biwa during summer 2008
14. Pelagic fish distribution and ontogenetic vertical migration in common mesopelagic species off Lützow-Holm Bay (Indian Ocean sector, Southern Ocean) during austral summer
15. Additional file 6 of Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
16. Additional file 7 of Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
17. Additional file 8 of Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
18. Additional file 4 of Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
19. Additional file 3 of Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
20. Additional file 2 of Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
21. Additional file 5 of Possible fluid discharge associated with faults observed by a high-resolution dense-2D seismic reflection survey in Uchiura Bay off Numazu, Japan
22. Measurement of sea bottom surface backscattering strength by quantitative echo sounder
23. The analysis of echotrace obtained by a split-beam echosounder to observe the tilt-angle dependence of fish target strength in situ
24. An environment-friendly MCS survey by using underwater speakers in Tokyo Bay
25. Proposal to Use Fish-Length-to-Wavelength Ratio Characteristics of Backscatter from Fish for Species Identification
26. Comparison of Underwater Noise of Electric Boat and Internal Combustion Engine Boat
27. Measurement of the volume-backscattering spectrum from an aggregation of Antarctic krill and inference of their length-frequency distribution
28. Distributions of larval and juvenile/adult stages of the Antarctic myctophid fish, Electrona antarctica, off Wilkes Land in East Antarctica
29. Seasonal dynamics of zooplankton in the southern Chukchi Sea revealed from acoustic backscattering strength
30. Broadband target strength measurements of juvenile walleye pollock (Theragra chalcogramma)
31. Coastal observation systems to monitor physical, chemical, and biological parameters
32. Seasonal acoustic presence of fin and bowhead whales in relation to prey abundance and oceanographic environments in the southern Chukchi Sea
33. Comparison of the volume backscattering strength measured by EK60 and EK80
34. Strong turbulent mixing induced by internal bores interacting with internal tide-driven vertically sheared flow
35. The migration of fin whales into the southern Chukchi Sea as monitored with passive acoustics
36. Prototype of a Simple Acoustic Survey System for Attachment to a GPS Plotter Echo Sounder
37. Migration monitoring of fin whales in the southern Chukchi Sea with acoustic methods during 2012–2015
38. エコーグラムから推定されたアデリーランド沖（東南極）における2010年夏季の動物プランクトンの日周鉛直移動
39. Computer Simulation of Broadband Single-target Echo Waveforms and its Application
40. Application of Multilayer Piezoelectric Actuators to Broadband Backscattering Measurements of Aquatic Animals
41. Evaluation of playback sounds by a newly developed dolphin-speaker
42. Acoustic scattering measurements by an ultra-broadband transducer using multilayer piezoelectric elements
43. Development of dolphin-speaker
44. Sexual dimorphism in body shape of Antarctic krill (Euphausia superba) and its influence on target strength
45. Euphausiid community structure and population structure of Euphausia superba off Adélie Land in the Southern Ocean during austral summer 2003, 2005 and 2008
46. Distribution and density of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) off Adélie Land in austral summer 2008 estimated by acoustical methods
47. EFFECT OF DEPTH-DEPENDENT TARGET STRENGTH ON BIOMASS ESTIMATION OF JAPANESE ANCHOVY
48. IN SITU AND EX SITU TARGET STRENGTH MEASUREMENT OF MESOPELAGIC LANTERNFISH, DIAPHUS THETA (FAMILY MYCTOPHIDAE)
49. Change of source level of pinger due to implanting into fish
50. Design and concept of a Biointeractive Autonomous Underwater Vehicle “BA-1”
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