R2Sonic 2026 - Graph 10: 700 Khz Sound Absorption; Graph 9: 400 Khz Sound Absorption

Page 181 of 254
Version
6.3
Rev
r012
Date
05-11-2022
Graph 9: 400 kHz Sound Absorption
Graph 10: 700 kHz Sound Absorption
0
50
100
150
200
250
0 5 10 15 20 25 30 35 40
Absorption (dB/km)
Water Temperature (°C)
Sound Absorption (Francois-Garrison)
Fresh Water
5 ppt
40 ppt
Frequency = 400 kHz
Depth = 20m
0
50
100
150
200
250
300
350
400
0 5 10 15 20 25 30 35 40
Absorption (dB/km)
Water Temperature (°C)
Sound Absorption (Francois-Garrison)
Fresh Water
5 ppt
40 ppt
Frequency = 700 kHz
Depth = 20m