Sound Speed In Water - Simrad EY500 Instruction Manual

Calibration
1550
SOUND SPEED IN SEA WATER
m/s
at depth 0 m
1500
1450
1400
0
(CD467)
0 25
(CD468)
10
5 10
WATER TEMPERATURE (deg. C)
Figure 3 Sound speed in water.
from FRANCOIS & GARRISON
JASA dec. 1982
10 Degrees C
200 m depth
pH = 8
50 75
FREQUENCY (kHz)
Figure 4 Sound absorption.
Simrad sept. 1992
15 20 25
SIMRAD sept. 1990
100 125 150
30
175 200
P2260/E