1.3.2 Depth measurement

1.3.2. Depth measurement

                                                                              

                                                                         

                                                                                      1.3.2

Depth measurement

Lead line

Lead weight attached in one end of marked line.

Echo sounder

Speed of sound in water is known, the depth can be determined by measuring the time interval between the generation of sound and the return of the echo.

According to the formula

Depth = Speed x ½ time interval between sound and echo.

Last modified: Tuesday, 19 June 2012, 5:10 AM