#$%^&*AU2012227291A120130502.pdf#####ABSTRACT [0035] Disclosed are methods and systems for using an impact-activated device for repelling sharks from marine geophysical survey equipment. An embodiment discloses a marine geophysical survey system, comprising: marine geophysical survey equipment configured to be located in a body of water when in operation and an impact-activated device coupled to the marine geophysical equipment, wherein the impact-activated device comprises a circuit configured to release a shark repellent in response to a pre-determined impact on the impactactivated device.1/6 Lo Lo Cev) too rE Lo CC~,
