This Article Covers About Hydrographic Survey like Applications, Uses, Instruments And Procedure Of Hydrographic Surveying.
Hydrographic survey is an exploration of water-bound areas using sonar equipment.It can used to find underwater objects or map out land.
This survey used to get information about the bottom of the sea.
This information can used to create maps and charts for safe navigation.
Instruments Used In Hydrographic Surveying
The ship’s officer who carries out a hydrographic survey will use a sounding machine to measure the depth of the water and collect samples of material from the sea bed.
A sound speed meter used to calculate the depth of water by measuring the time it takes for sound waves to travel between two points.
The accuracy of this instrument is affected by the depth of water and the temperature. A bathymetric chart displays the measured depth of water as cont
Procedure Of Hydrographic Survey
Hydrographic surveys conducted for a wide range of purposes, but they all have the same general procedure.
Once the survey designed and planned, you will need a suitable watercraft to carry out the survey.
A hydrographic vessel required for open water work, while a low power boat will suffice for nearshore surveying.
We’ve found that a rigid inflatable boat or even an inflatable kayak can used, provided it has sufficient capacity to carry the necessary equipment.
Applications of Hydrographic Surveying
Hydrographic surveying used in a variety of fields. It’s commonly used in the oil and gas industry to make it easier to model potential drilling sites, but it can also used in coastal areas for finding suitable ports and docks.
In marine archaeology, hydrographic surveying used to find shipwrecks.
Uses of Hydrographic Surveying
Hydrographic surveying done to find the contours of the ocean floor, measure water depths, and chart low-lying areas of the seabed.
Hydrographic surveys typically done using echo sounding – sending out a sound wave and listening for its echo to determine changes in depth of water.
Sounding in Hydrographic Survey
Hydrographic survey is a process of measuring and recording the depth, strength and quality of water bodies. This is done with sound waves (sounds) and ultrasonic (sound too high for human ears).
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