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USGS Tethered ACP Platforms

The US Geological Survey has developed an innovative tethered platform that supports an Acoustic Current Profiler (ACP) in making stream-flow measurements (use of the term ACP in this article refers...

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STEMA Survey Services bv

After working for eighteen years with the trailer department of a dredging company, Stef Mars started his own hydrographic survey company in 1985. Working on board of hopper trailer suction...

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Acoustic Seabed Classification

Acoustic seabed classification is rapidly gaining acceptance as a useful tool amongst the world's ocean community. Commercial classification products can measure acoustic diversity in the surficial seafloor zone and produce...

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By the Old Hydrographer

A number of largely British settlements had been established in New Zealand by the early 1840s,where natural harbours had been found. The general Admiralty chart of New Zealand, published in...

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AUV-based 3D Chirp Sub-bottom Profiling

During the 1990s De Beers Marine identified a major business opportunity in radically improving its geological modelling capability. It set up a project to deliver the necessary geophysical systems and...

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