Barotrauma, Pressure Waves, Ultrasonic Hearing, and Shad
Posted in the Brattleboro Forum
Since: Nov 10
#1 Apr 21, 2014
Shads are (to date) unique among the fishes in having evolved an ability to detect ultrasound (sound at frequencies above 20 kHz, which is the limit of human hearing). I wonder what the vane pass frequency of the Vernon dam is at rated speed.
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