Due to the inhomogeneous mixing of fresh and salt waters, the sound velocity profile is unconventional which impacts the calibration and performance of the devices noticeably. Once more, due to turbidity, ideal swath protection is just not always attainable because the beams are concentrated to the centre. The standard of https://sergiozkprz.blogunok.com/32680331/5-easy-facts-about-hydrographic-survey-described