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Publications
Santos, F.P., Rosa, T., Hinostroza, M.A., Vettor, R., Piecho-Santos, A.M. and Guedes Soares, C. (2024), Field test of an autonomous observing system prototype for measuring oceanographic parameters from ships, Oceans, Vol. 5, pp. 127-149
A prototype of an autonomous system for retrieval of oceanographic, wave and meteorologic data was installed and tested in May 2021 on a Portuguese research vessel navigating on the Atlantic Ocean. The system has been designed to be installed in fishing vessels that would operate as a distributed network of ocean data collection. It consists of an Automatic Weather Station, a Ferrybox with a water pumping system, an Inertial Measurement Unit, a GPS unit, an Onboard Desktop Computer, and a wave estimator algorithm for wave spectra estimation. Among several parameters collected by this system’s sensors are the air temperature, barometric pressure, humidity, wind speed and direction, sea water temperature, pH, dissolved oxygen, salinity, chlorophyll-a, , roll, pitch, heave, true-heading and geolocation of the ship. This paper’s objectives are: 1) describe the autonomous prototype; 2) present the data obtained during a full-scale trial; 3) discuss the results, the advantages and limitations of the system, and future developments. Meteorologic measurements were validated by a second weather station onboard. The estimated wave parameters and wave spectra showed good agreement with forecasted data from the Copernicus database. The results are promising, and the system can be a cost-effective solution for voluntary observing ships.
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