Browsing by Subject "sonar"

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Acoustic backscattering by Hawaiian lutjanid snappers. I. Target strength and swimbladder characteristics

Benoit-Bird, Kelly J.; Au, Whitlow W. L.; Kelley, Christopher D. (Acoustical Society of America, 2003-11)

The target strengths and swimbladder morphology of six snapper species were investigated using broadband sonar, x rays, and swimbladder casts. Backscatter data were obtained using a frequency-modulated sweep ~60–200 kHz! ...
A comparison of seafloor sonar classification methods through the use of error matrices and 3 dimensional GIS visualization : a multibeam sonar investigation of Nehalem Bank, Oregon

Lanier, Andrew S. (2006-07-17)

Multibeam sonar data was collected on Nehalem Bank, off of the Oregon Coast with the purpose of increasing the spatial resolution of our knowledge of the area and delineating seafloor habitats. The system used was the Ko ...
Light and the behavior of pelagic animals during night and crepuscular periods

Wisdom, Daniel W. (2008-12-00)

Light plays an important role in ecological processes in the ocean both day and night. While relatively inexpensive, off the shelf instruments are available to measure Photosynthetically Active Radiation or PAR during th ...

Now showing items 1-3 of 3

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