Due to inhomogeneous mixing of refreshing and salt waters, the sound velocity profile is strange which impacts the calibration and efficiency of the gear appreciably. Again, as a result of turbidity, ideal swath coverage is not really generally attainable because the beams are concentrated in direction of the centre. The https://cristianodmus.blazingblog.com/32281532/a-secret-weapon-for-hydrographic-survey-in-dhaka