A classification of survey platforms

A classification of survey platforms

The life of a hydrographic planner used to be easy: you had a survey vessel from which (at least in nautical cartography) you deployed a number of survey boats (often sloops) with...

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Women power NOAA hydrography

Women power NOAA hydrography

The role of women in hydrography is increasing worldwide. In 2022, NOAA participated in the international Empowering Women in Hydrography (EWH) programme initiated by Canada and th...

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Forecasts for 2021: a Mixed Bag

Forecasts for 2021: a Mixed Bag

Ready to invest, in equipment, staff and training, but unsure about future growth at this stage of the Covid-19 pandemic: that seems to be the outcome of our Hydro International Re...

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The Hydrography of the Former Zuiderzee

The Hydrography of the Former Zuiderzee

The 32km-long dam called the Afsluitdijk, separating what was then the Zuiderzee from the North Sea, was completed in the Netherlands in 1932. It transformed the Zuiderzee from a l...

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Sub-bottom Object Detection

Sub-bottom Object Detection

While nautical charting mainly focuses on bathymetry and objects that form a hazard to shipping, offshore construction and dredging require sub-bottom information. There is nothing...

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Hydrospatial and the Marine Environment

Hydrospatial and the Marine Environment

Hydrographic offices (HOs) today exist in a world of accelerating technological change that is influencing human behaviour and creating new needs for and ways of exploiting data to...

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Automatic Calibration for MBES Offsets

Automatic Calibration for MBES Offsets

Currently, calibration of multibeam echosounders (MBES) for hydrographic surveys is based on the traditional ‘patch test’ method. This subjective method, although rigor...

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Sentinel-2 Coastal Charting Worldwide

Sentinel-2 Coastal Charting Worldwide

It is widely and wrongly assumed that the world’s coastal regions have been surveyed in detail by modern techniques and that the resulting nautical charts are an accurate ref...

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