SRKW fish-echo masking: detection margin vs vessel distance
Number of vessels
Aspect angle, theta (deg)
Fish-to-whale distance (m)
Ambient noise (dB)
Frequency (Hz)
Vessel distance spread (m, SD around mean)
Show minimum approach distance line
Minimum approach distance (m)
Lines show detection margin (dB) as vessel-to-whale distance is swept continuously from 20-2000 m for each vessel travel status. Positive margin = fish detected; negative = fish masked. With more than one vessel, individual vessels are simulated as scattered around the mean distance (SD = spread); the shaded band is the 10th-90th percentile of the resulting margin.
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