Glossary - W
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walleye pollock
Theragra chalcogramma
Odobenus rosmarus
disturbance caused by the movement of energy through a medium
wave front
a surface consisting of all points on a wave at the same position in a wave cycle.
A waveform presents the sound in a graph as positive and negative pressure on a relative scale (often from -1 to 1) through time. The relative pressure is related to the intensity of the sound.
the length of one cycle of a wave (one crest and one trough)
Weberian ossicles
a series of bones which connect the swim bladder to the inner ear and carry vibrations between to the two, aiding in hearing.
weddell seal
Leptonychotes weddelli
narrow-band, tonal sounds produced by many toothed whales for communication purposes. Whistles are frequency-modulated, which means the pitch of the sound changes over time.
white noise
a heterogeneous mixture of sound waves extending over a wide frequency range (but equal intensities).
white-beaked dolphin
Lagenorhynchus albirostris
white-sided dolphin
Lagenorhynchus spp.