27
0688-SOM-00001, Rev: 02 © Tritech International Ltd.
C.5. Wilson Equation
Source: The Hydrographic Society Special Publication No. 34
Validity: T = -4 to 30oC, S = 25 to 37ppt, P = 0 to 1000 kg/cm2 (Wilson W D., 1960)
C.6. Coopers Equation
Source: NPL Technical Guides – Speed of Sound in Sea-water
Validity: T = 0 to 35oC, S = 0 to 45ppt, D = 0 to 4000 meters (A.B. Coppens, 1981)
C(0,S,t) + (16.23 + 0.253t)D + (0.213-0.1t)D
2
+
[0.016 + 0.0002(S35)](S - 35)tD
1449.05 + 45.7t - 5.21t
2
+ 0.23t
3
+ (1.333 - 0.126t + 0.009t
2
)(S
- 35)
=
10
(ℎ = )
= ℎ
To Next Page
Loading...