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A GPS-enabled seabed sediment sampler: Recovery efficiency and efficacy

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Article number045104
<mark>Journal publication date</mark>30/04/2022
<mark>Journal</mark>Review of Scientific Instruments
Issue number4
Number of pages7
Publication StatusPublished
Early online date13/04/22
<mark>Original language</mark>English


The design, manufacture, and commissioning of a global positioning system enabled sampler instrument conceived for the retrieval of seabed sediments are described. This system was designed for sampling in environmental assessment applications and, especially, those requirements that might include insoluble, anthropogenic radioactivity derived from the effluent from nuclear facilities. Once triggered, the sampler operates autonomously for the recovery of samples by settling in the sampling environment, and it is compatible with submersion in fresh water and also with an off-the-shelf, submersible, remotely operated vehicle. A number of tests have been carried out to determine the efficiency and efficacy of the sample recovery performed by the system and the extent to which the recovery of samples disturbs neighboring sediments.