Top Uses And Objectives Of Hydrographic Surveying You Should Know


Hydrographic surveying is a branch of surveying that deals with all bodies of running or still water such as harbours, rivers, lakes, or streams in Australia. Hydrographic surveys are utilized in the definition of underwater features as well as shorelines.

Objectives of the valuable branch of surveying

The useful branch of surveying is undertaken for one or more among the following activities.

  1. The measurements of the tides for work at sea coasts, e.g. the construction of harbours, defence works for seas, and so on, for the purpose of the reduction of sounding.
  2. Using sounding to determine the depth of the bed of any water body;
    1. For purposes of navigation.
    2. To locate the position of sand bars, rocks, as well as navigation lights.
    3. For the location of underwater excavation, underwater work volumes, and so on.
    4. In connection with land drainage as well as irrigation schemes.
  3. The determination of the direction in which currents are flowing in connection with;
    1. The location of any sewer channel or pipe that carries wastewater out to falls from city centres.
    2. The determination of areas that are subject to silt and also the scouring of the eating up of the place.
    3. For the purposes of fornication.
    4. The measurement of water quantity as well as water flow in connection with power schemes, water schemes, as well as control of floods. This point alone can serve as a hydrographic surveying meaning.

Why hydrographic surveys are needed – uses and applications

  1. The shipping and offshore engineering industry have kept on expanding as a result of an expansion in the knowledge of the secrets of the underwater world.
  2. Drilling rigs (for the extraction of gas, oil, and so on, from deep under the sea), which are sometimes located as far as up to one hundred and twenty-five kilometres or more offshore are utilized in the search for underwater resources especially gas and oil.
  3. Offshore islands are built of dredged materials (which means the bringing of the materials from somewhere else and getting them dumped there) to fully support marine structures.
  4. Harbor depth of as much as up to eighty metres is needed to accommodate larger tankers and ships. So, this branch of surveying helps to ensure such a depth.
  5. Containerization has turned into a preferred and efficient method of handling cargo in the shipping industry and it is greatly supported by this branch of surveying.
  6. The demand for entertaining transportation presently ranges from small sailboats right up to large pleasure cruise ships.
  7. Small sailboats to cruise ships. Hydrographic surveys are made to acquire and present data on lakes, oceans, and harbours. It involves all surveys that are made for;
    1. Determination of soundings, shorelines, characteristics of bottoms, areas subjected to silting and scouring, available depth and velocity for navigation, and characteristics of water flow.
    2. The location of lights, sand balls, rocks, and buoys.

These are the foremost uses and objectives of hydrographic surveying that you are supposed to know. The valuable branch of surveying in Australia is truly beneficial to a wide range of varying industries that are truly valuable to human existence.

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