What is the best image classification technique to optimize maps so that effective action can be taken to conserve seagrass meadows? The distribution of Posidonia oceanica seagrass meadows has been ma...

On 20 September 2019, the German research icebreaker Polarstern left Tromsø, Norway, for what could be the biggest Arctic research expedition of all time. Once she reaches the destination, the ship ...

Munitions in the sea pose a risk to the sustainable development of the ocean economy. In particular, they are a global challenge during the construction of wind parks, pipelines and other infrastructu...

Submarine groundwater discharge (SGD) is a significant part of the water cycle that delivers anthropogenically derived and naturally occurring nutrients to coastal waters. As part of the drive to deve...

Inspection of dams is a high-risk task for divers because of strong currents and eddies. The use of emerging technologies such as unmanned surface vehicles equipped with echosounders and sonars can lo...

The AUV has been the tool of choice for shallow-water MCM and EOD operations for a number of years. The coverage by popular news channels of unfortunate events, such as the MH370 tragedy, has also sho...

NOAA is using a systematic approach to map all US waters in support of Seabed 2030 objectives and to contribute to the complete mapping of the world’s oceans in the next ten years. Mapping within US...

“It wasn’t always easy being a black woman in my early days as an oceanographer,” says Dawn Wright, chief scientist at a worldwide operating company specialized in mapping and spatial analytics ...

Located in the Atlantic sector of the Southern Ocean, the Weddell Sea generates extremely dense bottom water that spreads into all the world’s ocean basins, transporting oxygen, CO2 and other solute...

Newly developed 3D imaging technology has allowed scientists to map Darwin Mounds, a unique area of cold-water coral reefs off the coast of Scotland, to see whether it has recovered since being decl...

On 12 March, the Dutch government decided to ‘lock down’ all activities involving multiple persons, including education. That decision immediately affected the hydrographic institutions in the Net...

As readers of Hydro International know, the world’s ports and harbours are crucial to global trade. From Singapore to Antwerp, and from Shanghai to Rotterdam, Los Angeles, other mega-ports and hundr...

Recently, the European Marine Board published a report on the current status of the European fleet of research vessels. This position paper describes how the fleet will need to develop in the future t...

An estimated 600,000 tons of abandoned fishing gear ends up in the oceans every year. According to the United Nations, some 380,000 marine mammals are killed each year, either by ingesting this fishin...