An Autonomous Hydroacoustic System for studying long-term scattering variability

• Autorzy: Szczucka J. , Groza K. , Porazinski K.
• Języki publikacji: EN

Abstrakty

EN

A new instrument, an Autonomous Hydroacoustic System, was designed to probe a water column acoustically from the bottom to the sea surface. It is capable of operating from a depth of 100 m self sufficiently for up to 10 days. A brief description of its construction and electronic design is provided. Preliminary results from the first field study consisting of a 90-hour series of backscattering measurements are presented.

Słowa kluczowe

EN

marine acoustics; bottom; Autonomous Hydroacoustic System; vertical migration; scattering; sea surface; Baltic Sea; water column

• Wydawca: -
• Czasopismo: Oceanologia
• Rocznik: 2002
• Tom: 44
• Numer: 1
• Opis fizyczny: p.111-122,fig.,ref.

Twórcy

autor

Szczucka J.

• Polish Academy of Sciences, Powstancow Warszawy 55, 81-712 Sopot, Poland

autor

Groza K.

autor

Porazinski K.

Bibliografia

• Clay C. S., Medwin H., 1977, Acoustical oceanography, John Wiley & Sons, New York, 544 pp.
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• Orłowski A., 1998, Acoustic methods applied to fish environmental studies in the Baltic Sea, Fish. Res., 34, 227–237.
• Szczucka J., 1999, Scattering patterns of diurnal migration of fish and zooplankton in different waters – Baltic Sea, Lake Wdzydze and Lake Tanganyika – similarities and differences, Proc. 2nd EAA Int. Symp. on Hydroacoustics, Gdańsk–Jurata, 39-44.
• Szczucka J., 2000, Acoustically measured diurnal vertical migration of fish and zooplankton in the Baltic Sea – seasonal variations, Oceanologia, 42 (1), 5–17.
• Szczucka J., Klusek Z., 1996, Migration patterns of acoustic scatterers in the southern Baltic Sea, Oceanologia, 38 (1), 61–79.