R2Sonic 2026 - 12.3.3 Sound Absorption Graphs at Select Frequencies

Page 180 of 254
Version
6.3
Rev
r012
Date
05-11-2022
Part No. 96000001
12.3.3 Sound Absorption Graphs at Select Frequencies
Graph 7: 200 kHz Sound Absorption
Graph 8: 300 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 = 200 kHz
Depth = 20m
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 = 300 kHz
Depth = 20m