Sound-Recording Systems for Measuring Sound Levels During Seismic Surveys
Two new sound-recording systems were developed as part of a study on the effects of sound from seismic air guns on fish behavior. The systems were used to record sound pressure levels (SPLs) at several depths and distances from the seismic vessel during a geophysical survey carried out on a Norwegian fishing ground during the summer of 2009. The recordings were used to calculate sound exposure levels (SELs) and as input to models describing sound propagation of acoustic noise from seismic air gun arrays.
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