Focus Stories

Every month we will focus on a specific theme, featuring a selection of articles which have previously been published in GIM International magazine. By including a mix of older and more recent articles, we will present a complete recap of the subject. Furthermore, we will be bringing you a bi-weekly round-up of Focus Stories related to the theme through our newsletter (sign up here).

Sidescan Sonar

Side-scan sonar is often used to find objects on the seafloor and to inspect objects like pipelines or underwater constructions. Also fisheries, dredging operations and environmental studies are using this technique, along with military use for mine detection.

Ghostly Images Of HMHS Britannic

Ghostly Images Of HMHS Britannic

During a habitat mapping project at the Cyclades Islands (southern Aegean Sea - eastern Mediterranean Sea) which focused on the mapping of coralline algae, the shipwreck of HMHS Br...

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Waterside Mapping

Waterside Mapping

Laser scanning and bathymetric side-scan sonar represent the cutting edge of environmental survey technology. Over the last few years, we have tested the integration of these two m...

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A Flooded Landscape Revealed

A Flooded Landscape Revealed

During the last week of a hydrographic survey of Lough Derg, Ireland’s third largest lake, the remnants of a preserved flooded landscape were unveiled beneath the surface wit...

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Automated Side-scan Data Analysis

Automated Side-scan Data Analysis

Side-scan sonar is well accepted as a tool for detection and visualisation of underwater objects and is widely used in support of safety of navigation surveys. Although side-scan s...

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A Company with a Deeper Understanding

A Company with a Deeper Understanding

Sonardyne is an organisastion at the forefront of acoustic, inertial, sonar and optical subsea technology development. It takes vision, a sustained focus on research and developmen...

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Lessons Learned From the AF447 Search

Lessons Learned From the AF447 Search

It was a rainy day at Woods Hole, Massachusetts, USA. The scenery reminds me of the Twin Peaks atmosphere. I am about to interview Mike Purcell, the man whose search team finally f...

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Observing the ocean together

Observing the ocean together

Collaborating and coordinating are two very important tasks of EuroGOOS, the European Global Ocean Observing System, located in Brussels. The member organizations work together to...

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S-44 and the systematic error

S-44 and the systematic error

IHO standard S-44 is often used (or misused) to specify the quality of a hydrographic survey. While it is a useful tool, it is easy to misinterpret. One ‘misuse’ is to...

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The renewal of a research vessel fleet

The renewal of a research vessel fleet

When contemplating the replacement of a research and survey fleet, a collective effort is required to meticulously curate an optimal new fleet, considering factors such as ship typ...

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ASV Global C-Enduro

ASV Global C-Enduro

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