Hydrographic Surveying: Understanding The Science Of Mapping The Oceans

About Me
Energy Efficient Lighting and Other Environment Protection Measures

Welcome to my blog! My name is Jackie. I live in Melbourne, Australia and my new favourite topic is energy use and the environment. For a number of years, I have been concerned about global warming and mankind's impact on the natural world. However, I did my best to shut these thoughts out of my mind. However, all of this changed when my 8-year-old daughter came home from school in tears because she had been learning about global warming in her science class. I decided to take action and called in a consultant who installed solar panels on my property.


Hydrographic Surveying: Understanding The Science Of Mapping The Oceans

14 August 2023
 Categories: Environmental, Blog

Hydrographic surveying may not be a term you hear every day, but it has been an essential tool in navigation, mining and offshore construction. Hydrographic surveying is a process of mapping the ocean floor, water depth and features below the waterline. It helps to provide critical information that ensures the safe and efficient movement of ships and other ocean-going vessels. Advances in technology have revolutionized the field, leading to improved accuracy, efficiency, and productivity. Here is the science of hydrographic surveying, what it involves, and its significance in modern-day marine operations.

1. Understanding Hydrographic Surveying

Hydrographic surveying is a specialized type of surveying that deals with bodies of water, primarily oceans, seas and rivers. It involves collecting data about the features of the bottom of the sea, water depth and the presence of any potential hazards. The collected data is then used to create detailed maps and charts that aid navigation. The process of hydrographic surveying uses advanced equipment such as sonar, lidar and underwater cameras to collect data. The surveying equipment is mounted on ships and boats and is capable of measuring the depth of water and water temperature.

2. Hydrographic Surveying Applications

Hydrographic surveying is vital in maritime activities such as shipping and navigation, dredging, coastal and ocean engineering and oil and gas exploration. Shipping companies use hydrographic surveying to produce nautical charts to provide navigational safety for vessels. Similarly, construction companies and engineers rely on hydrographic data for building underwater structures such as bridges, ports and dams. Other applications of hydrographic surveying include environmental assessment, underwater archaeology and oceanographic research.

3. Benefits of Hydrographic Surveying

Hydrographic surveying provides numerous benefits to users. Water depth information and charting of hazardous areas assist sailors in navigating ships and avoiding accidents. The data obtained from hydrographic surveying help to minimize risk, ensuring that marine construction and offshore drilling activities are carried out safely and within environmental regulations. Seabed mapping can also help to identify new resources and locate sunken ships.

4. Importance of Technology in Hydrographic Surveying

In recent years, advances in technology have revolutionized the field of hydrographic surveying. One of the most significant advances is the introduction of remote sensing technology such as satellite imagery, which has provided hydrographic surveyors the ability to explore large areas of the ocean quickly. New devices and sensors that use acoustic technology, such as multibeam echo sounders, have increased the accuracy and efficiency of hydrographic surveying. Another tool is the autonomous underwater vehicle, which has the capability to collect data in areas that are difficult to access. 

Contact a company like Aquamap Hydrographic Services to learn more.