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Authors
Affiliations
1 National Institute of Ocean Technology, Ministry of Earth Sciences, Pallikaranai, Chennai 600 100, IN
2 College of Engineering, Guindy Campus, Anna University, Chennai 600 025, IN
Source
Current Science, Vol 106, No 6 (2014), Pagination: 831-840
Abstract
Drifter buoys are globally deployed to measure surface meteorological and oceanographic variables. A Lagrangian drifting buoy (Pradyu II) to measure sea-surface temperature and current has been developed at the National Institute of Ocean Technology, Chennai. The drifter buoy with geostationary satellite communication (INSAT-3C) to have near real-time data at every hour is a unique attempt in the history of drifting buoy nodes. This article describes Pradyu II drifting buoy node, design of low-power embedded system, communication network and field test results from an experiment conducted in the Bay of Bengal during March-April 2013. The results from Pradyu II are compared with commercially available drifting buoy (Marlin-Yug), moored data buoy (BD11) and remotely sensed data.
Keywords
Drifting Buoy, Embedded System, Seasurface Temperature, Sensor Node.
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