Airborne Lidar Bathymetry in Close Up

Airborne Lidar Bathymetry in Close Up

RIEGL tested the performance of its topo-bathymetric airborne laser scanning system in a transition zone context along the French Mediterranean coast. Initially planned as a UAV su...

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Vertical Datums in the Hudson River

Vertical Datums in the Hudson River

A fixed low water reference plane, Hudson River Datum (HRD), was adopted as chart datum for certain portions of the Hudson River to approximate mean low water when river levels are...

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Where Do We Map Next?

Where Do We Map Next?

Mapping the world’s oceans is a tremendous task that would benefit from a prioritization strategy. In this article, an in-depth presentation of one such approach is given: GI...

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Bathymetric ENCs in Confined Waters

Bathymetric ENCs in Confined Waters

Electronic charts with greater scale and bathymetric content than any hydrographic office’s ENC (equivalent to a paper nautical chart) are not a novelty for many ports around...

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The Making of RV Kronprins Haakon

The Making of RV Kronprins Haakon

Norway is a maritime country with a very long coastline, plus it is very much a polar nation with 80% of its sea territory and 45% of its land mass north of the Arctic circle....

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30+ Years of Hydrographic Education

30+ Years of Hydrographic Education

A hydrographic education programme has been offered in Hamburg for more than 30 years. The programme was first offered in 1985 as an addition to an existing programme in general su...

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Seabed 2030: A Call to Action

Seabed 2030: A Call to Action

Despite countless days of surveying at sea, we have still mapped less than 20 percent of the world’s oceans. It is time to get organised, according to Rear Adm Shepard M. Smi...

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