About Sonar Calculator
The Sonar Calculator calculates sound speed and absorption coefficient.
To display Sonar Calculator:
-
On the Echoview Help menu, click Sonar Calculator
The following settings are used.
|
Setting |
Description |
|
Sea water |
If selected, the Salinity and pH boxes are made available. Note: This checkbox should only be selected if the data were recorded in sea water. |
|
Temperature (℃) |
The temperature of the water in which the data were recorded. |
|
Salinity (ppt) |
The salinity of the water in which the data were recorded. Note: This is only available if the Sea water checkbox is selected. |
Depth (m) |
The depth at which you wish to calculate sound speed and absorption coefficient. |
|
Pressure (kPa) |
The pressure at which you wish to calculate the sound speed. |
|
pH |
The pH value of the water in which the data were recorded. Note: This is only available if the Sea water checkbox is selected. |
|
Frequency (kHz) |
Echosounder frequency. |
Notes:
- The calculated values are updated automatically as you move between settings. To force a recalculation manually, click Calculate. Depending on the values you enter, multiple results may be displayed.
- The method used in the calculations of each result is displayed with the result.