The monitoring, sampling and mapping of plastic waste in the water column and on the sea bottom represents a serious challenge for both responsible government authorities and scientific researchers. Typically, these activities are performed by divers equipped with the necessary recording equipment and special breathing mixtures when working at depths greater than 30 meters or more. The complexity, risk, respectively budget and time required for deeper diving increases due to the neediness of complying with safety of life and diving decompression procedures. This paper represents an approach of using underwater drones (ROV) for monitoring, sampling and mapping of plastic waste in the port aquatories, coastal zone and sea bottom.
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