Acoustic Doppler Current Profilers (ADCP)

The Acoustic Doppler Current Profiler (ADCP) - like dolphins and bats - uses sound to explore its environment. Operating underwater, the method works like hand-held radars used by police to catch speeding motorists. In this theme you find articles on the ADCP technique and ADCP case studies. Geo-Matching.com provides an overview of ADCP equipment.

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Technology in Focus: Acoustic Doppler Current Profilers (ADCP)

Rather than a spinning propeller, the Acoustic Doppler Current Profiler (ADCP) - like dolphins and bats - uses sound to explore its environment. Operating underwater, the method works like hand-held radars used by police to catch speeding motorists. This article explains the... (read more)
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Current Profiling Advances Improve Tidal Energy’s Competitiveness

The rapid growth of interest in tidal energy has highlighted the role of current profilers, able to measure the speed and direction of currents with increased accuracy in some of the harshest marine environments in the world. While the turbines produce the power, current pro... (read more)
About the Focus Stories

Every month we will focus on a specific theme, featuring a selection of articles which have previously been published in Hydro International magazine. to present a complete recap of the subject. If you don't want to miss these themed recaps, sign up for the newsletter (sign up here).

ADCP

Mysterious Underwater Waves

In addition to surface waves generated by wind, tidal forces or, in case of tsunamis, seismic events, there exists a less well-known class of bigger waves under water. These underwater waves (internal waves) are generated by... (read more)

Ice-jam Floods

The large, poleward flowing rivers of Siberia, such as the Ob River, experience persistent and severe floods when river ice breaks up in the spring. Ice-jams are common on the Tom River, a tributary of the Ob, resulting in a... (read more)

Improving the Accuracy of ADCP Discharge ­Measurements

There is a key new feature in the discharge measurement software ViSea DAS that allows the user to add a bottom profile. By doing so, side extrapolation from the start and end points of the survey track to the shore is calcul... (read more)

The WTI Field Measurement Programme

Numerical models are used to predict water levels, wave heights and wind fields under extreme storm conditions. This paper aims to give a short overview of the measurements of three field sites in The Netherlands. Validation... (read more)

ROVs as Versatile Workhorses

The concept of ROVs does not seem to change too much over time. Basically, they are self-propelled instruments working in deep waters up to about 6,000m that are linked to a vessel-based controller. This distinguishes them fr... (read more)
ADCP

BlueTEC Texel

Traditional solutions for generating electricity from the tides, where tidal turbines are installed on the seabed, require high-end offshore installation vessels and do not allow for easy access for maintenance. The BlueTEC f... (read more)

Sharing ADCP Knowledge

European surveyors working with ADCP met in Utrecht, The Netherlands, on 15 and 16 June 2016 for the ADCP Workshop organised by AquaVision. As this event had already been held several times in the past, the format w... (read more)

Two Oceanographic Research Vessels for Indonesian Navy

In December 2013, SHOM and OCEA French shipyard decided to enter into a technical cooperation for the construction of two modern 60m aluminum hydrographic/Oceanographic research Survey Vessels (OSVs) ordered by the Indonesian... (read more)

Fluvial Hydrography Workshop in Peru

The 2nd Fluvial Hydrography Workshop, organised and hosted by the Peru Hydrographic Service for Navigation of the Amazon (SHNA), was held in Iquitos, Peru, from 12 to 13 November 2012. Moderated by CDR Hugo Montoro (Commander... (read more)
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