Air Gun 1
Air Gun 1 : (n.) Geophysics. A source of?seismic?energy used in acquisition of marine seismic data. This gun releases highly compressed air into water. Air guns are also used in water-filled pits on land as an energy source during acquisition of vertical seismic profiles. See: acquisition, bubble effect, cavitation, impulsive seismic data, source, vertical seismic profile, water gun