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New Official Recognition for Hydrographers

The IMarEST has launched a new hydrography descriptor for its Chartered Marine Scientist register to allow hydrographers to distinguish themselves by using the letters “CMarSci (Hydrography)” after their name. No...

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Tidal currents from AIS data

Currents are traditionally measured with buoys and drifters, but such surveys are expensive and results are scarce. Almost all ships are equipped with an automatic identification system (AIS), primarily to...

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