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Hydro International
seabed mapping

Mapping the largest known cold-water coral reef habitat

By Derek Sowers•July 7, 2025
hydrographic surveying

Highs and lows: surveying at different altitudes

By Wim van Wegen•July 1, 2025
sound velocity

Sound speed or sound velocity profiling: which is technically correct?

By Elias Adediran•June 24, 2025
Knowledge sharing

How I accidentally became a multibeam trainer

June 10, 2025
hydrographic community

Canada’s pioneering role in hydrography

May 30, 2025

Editor's Pick

  • Mapping the largest known cold-water coral reef habitat
    July 7, 2025
  • Highs and lows: surveying at different altitudes
    July 1, 2025
  • Sound speed or sound velocity profiling: which is technically correct?
    June 24, 2025
  • How I accidentally became a multibeam trainer
    June 10, 2025
  • Canada’s pioneering role in hydrography
    May 30, 2025
Charting depths from above with airborne bathymetric Lidar
aerial mapping

Charting depths from above with airborne bathymetric Lidar

February 4, 2025

The mapping of underwater terrain and the monitoring of coastal and inland waters have been transformed by airborne bathymetric Lidar. The precision of laser-based remote sensing, combined with the ab...

Read more→
AI-based automatic detection technology for rip currents
Current

AI-based automatic detection technology for rip currents

January 28, 2025

To support the prevention of casualties from rip currents, the Korea Hydrographic and Oceanographic Agency (KHOA) applied object detection and image classification technologies to real-time rip curren...

Read more→
Skills and tech: hydrography’s balancing act
hydrographic industry

Skills and tech: hydrography’s balancing act

January 21, 2025

Each year, Hydro International picks up the sounding line to gauge the landscape of the hydrographic sector. By posing questions to the hydrographic community, we measure the currents and underlying t...

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Promising future for hydrography
hydrographic industry

Promising future for hydrography

January 13, 2025

The hydrography profession seems to have a lower profile among young people compared to other marine sciences. Enrolment in hydrography courses has been decreasing for many years, and companies are st...

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Debunking geodetics in specifications
positioning

Debunking geodetics in specifications

January 6, 2025

The basis of any construction or charting project is the definition of an unambiguous, retrievable horizontal and vertical coordinate reference system (CRS). This should be included in the contract sp...

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Pushing the boundaries of marine research and exploration
ocean mapping

Pushing the boundaries of marine research and exploration

December 17, 2024

The ocean covers 71% of the surface of our planet and encompasses 93% of the habitable volume on Earth. However, most of it is inaccessible to humans without technical assistance. Fortunately, innovat...

Read more→
The revolutionary capabilities of next-generation autonomous underwater vehicles
autonomous surveying

The revolutionary capabilities of next-generation autonomous underwater vehicles

December 10, 2024

Offshore survey work has long been economically and environmentally demanding. In search of a modern solution for its own oceanographic surveys, the National Oceanography Centre (NOC) has developed a ...

Read more→
Aerial surveying for climate action
airborne Lidar bathymetry

Aerial surveying for climate action

December 2, 2024

In the constantly evolving landscape of climate change, geospatial science stands out as a vital tool for understanding and addressing the complexities of our changing world, with aerial surveying pla...

Read more→
Hydro International visits Exail in La Ciotat
autonomous surveying

Hydro International visits Exail in La Ciotat

November 29, 2024

The new DriX O-16, produced by Exail, was christened this summer in a ceremony attended by many officials, customers and co-workers in the harbour of La Ciotat. The transoceanic DriX O-16, the latest...

Read more→
ICESat-2 photons: strengthening shallow-water bathymetry
Bathymetric Lidar

ICESat-2 photons: strengthening shallow-water bathymetry

November 22, 2024

The Seabed 2030 initiative, anticipated to be a game-changer in ocean sciences and marine navigation, will map the ocean floor by 2030. Shallow-water bathymetry is a critical part of the Seabed 2030 a...

Read more→
Unlocking the power of robotics and automation
ocean mapping

Unlocking the power of robotics and automation

November 12, 2024

Dr Pooja Mahapatra, principal advisor for climate & nature at Fugro, explores the transformative impact of geodata on climate resilience and environmental sustainability. In this interview, she highli...

Read more→
Mapping Chicago’s beach and nearshore sand distributions for effective management
coastal resilience planning

Mapping Chicago’s beach and nearshore sand distributions for effective management

November 5, 2024

Lake Michigan water levels fluctuate by as much as two metres over decadal time spans, altering how waves and currents interact with coastal sediments and lakefront infrastructure in ways not yet full...

Read more→
Dutch developments in autonomous shipping
autonomous shipping

Dutch developments in autonomous shipping

October 24, 2024

Since the early 2010s, advancements in maritime autonomy have progressed at a steady pace. The Dutch maritime industry has, in collaboration with the Dutch government, sought to take a leading role in...

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How seafloor mapping reveals New Zealand’s maritime history
Marine heritage

How seafloor mapping reveals New Zealand’s maritime history

October 21, 2024

Like other hydrographic offices, Toitū Te Whenua Land Information New Zealand (LINZ) collects survey data for safety of navigation, producing and maintaining nautical charts and products in accordanc...

Read more→
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Hydro International

Hydro International #2 - 2025
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Hydro International
Geomares

Hydro International started out as a print magazine in 1996 and soon developed into the multimedia platform it is today, featuring a successful website and respected weekly newsletter. Hydro International is published six times a year. The magazine is international in scope and focuses on bringing to its readership topical overviews and the latest news and developments in the technology and management of hydrographic and oceanographic activities.

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Hydro International
  • News
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