Velocity of sound in sea-water Calculator

Calculates the velocity of sound in sea-water and draws the chart.

Velocity of sound in sea-water
Formula
    1. Del Grosso UNESCO
Temperature
    1. ℃(0~30)
    2. of sea surface
[ Salinity
    1. ‰ ]

The Velocity of sound in sea-water changes with water pressure, temperature, and salinity.
It is calculated by the Del Grosso or UNESCO formula.
The temperature of sea water is assumed to be 4 degrees C in the depth of 1000m, and 2 degrees in the depth of 3000m or more.
Velocity of sound in sea-water
[1-10] /22Disp-Num
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[1]  2018/10/18 00:43   Male / 50 years old level / Others / A little /
Purpose of use
Sound propagation predictions
Comment/Request
Please update to allow for isothermal, seasonal and permanent thermocline conditions
[2]  2018/01/11 02:35   Male / 30 years old level / High-school/ University/ Grad student / Useful /
Purpose of use
Mass stranding case study
[3]  2017/11/14 13:59   Male / 50 years old level / A retired people / Very /
Purpose of use
interest in whale spotting
Comment/Request
Please can you tell me if the Frequency of sound has any effect on the speed?
[4]  2017/05/03 20:27   Female / 20 years old level / High-school/ University/ Grad student / - /
Purpose of use
PG project
Comment/Request
is the temperature input is the the temperature at that particular depth
[5]  2017/05/03 15:16   Female / 20 years old level / High-school/ University/ Grad student / Useful /
Purpose of use
project work, to measure actual depth since measured depth may vary due to variations ins speed of sound with salinity, temperature and pressure.
Comment/Request
how to find the variations in speed of sound for depth less than 1000m
[6]  2017/04/14 14:42   Male / 20 years old level / Elementary school/ Junior high-school student / Very /
Purpose of use
to calculate the velocity; time taken&depth of the sea
Comment/Request
I would like the formula

[7]  2017/02/17 14:49   Female / 30 years old level / High-school/ University/ Grad student / Useful /
Purpose of use
correctness of measured depth
Comment/Request
is the temperature specified is the temperature at measured depth?
[8]  2016/05/12 23:41   Male / 60 years old level or over / Self-employed people / Useful /
Purpose of use
Deepwater exploration
Comment/Request
Is the velocity reported an average velocity from surface to the specified depth or is it the instantaneous velocity at that depth (and temperature/salinity)? To the geophysicist, these are two very different velocities.
[9]  2016/03/23 00:24   Male / 30 years old level / Self-employed people / Very /
Purpose of use
communicating with some people
Comment/Request
i will like to communicating with so many people becouse it is good for any muslim
[10]  2016/02/21 19:11   Male / 50 years old level / Self-employed people / Useful /
Purpose of use
Estimate depth sounder error due to salinity
Comment/Request
Glad I found this site

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