CSA Ocean Sciences (CSA), a marine environmental consulting and survey company, recently completed a challenging multidisciplinary geophysical and benthic survey as part of an ongoing marine cable route campaign for a major telecommunications company.
The project, mobilized in South Florida, utilized a 150’ class Dynamic Positioning (DP)1 supply vessel equipped with a stern A-frame. CSA installed the survey equipment, winches, control van, side pole, and auxiliary power systems. Side-scan sonar and marine magnetometer data were collected along the east Florida coastline, running through the heart of the Gulf Stream in water depths ranging from 10 meters to 1,000 meters.
CSA’s onboard marine scientist identified specific areas of interest from the processed geophysical data and devised an in situ sample plan to conduct benthic grabs of the seabed. Following benthic sampling along the route, CSA surveyors deployed a proprietary Deep Tow Video System (DTVS) to collect high-definition video of the seafloor flora and fauna.
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