Currently, calibration of multibeam echosounders (MBES) for hydrographic surveys is based on the traditional ‘patch test’ method. This subjective method, although rigorous, has major drawbacks, such as being time-consuming (in...

ASL Environmental Sciences (ASL) was chosen by Hemmera Envirochem Inc. and the Vancouver Fraser Port Authority to perform a hydroacoustic study of eulachon fish (Thaleichthys pacificus) distribution in the vicinity...

TDI-Brooks recently mapped the Liberty Ship George Vancouver Reef off Freeport, Texas while out on a seabed survey project with the RV Brooks McCall. The multiple multi-phase geophysical and geotechnical...

Hayle Harbour Authority has partnered with Unmanned Survey Solutions (USS) to help with the development of robotic vessels in performing hydrographic surveys in Hayle Harbour, Cornwall, England.  The aim is...

This paper explores the various features of the Apache USV series for efficient seafloor-level mapping. The CHCNAV hydrographic survey software is used for data recording and analysis. It provides results...

In response to calls from the scientific community, ports and industrial surveyors, Chartwell Marine, a pioneer in next-generation vessel design, has announced the launch of its Scanwell shallow draft survey...

In the last decade, there has been a steady march towards the automation of hydrographic data collection. Jim Gardiner, a research scientist at Valeport, views the technical and commercial challenges in hydrographic operations. In the last decade, there has been a steady march towards the automation of hydrographic data collection. Jim Gardiner, a research scientist at Valeport, views the technical and commercial challenges...

A global project to prevent and reduce marine plastic litter from shipping and fisheries has been launched last month by the International Maritime Organization (IMO) and the Food and Agriculture Organization...

Dylan Colson is an Australasian Certified Professional Hydrographic Surveyor at Level 1. With over ten years’ experience in the industry, working mainly in the ports and dredging sectors, Dylan has...

What is the core role of a hydrographer? To map the seafloor? Provide a precise position on the water? Some may believe it is to play with lots of expensive toys on boats, while colleagues are stuck in the office. While all those answers may be correct, I am asking about the core role of a hydrographer. I would suggest that it is collecting data to provide information that companies, clients and consultants rely on to make educated and accurate decisions. This is where our value as a professional service is demonstrated. However, here is another question – how do we present that information and, more to the point, could it be better? What is the core role of a hydrographer? To map the seafloor? Provide a precise position on the water? Some may believe it is to play with lots of expensive...