Technical Note: Animal-borne CTD-Satellite Relay Data Loggers for real-time oceanographic data collection.
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Thorpe, S. E.
Meredith, M. P.
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The increasing need for continuous monitoring of the world oceans has stimulated the development of a range of autonomous sampling platforms. One novel addition to these approaches is a small, relatively inexpensive data- relaying device that can be deployed on marine mammals to provide vertical oceanographic profiles throughout the up- per 2000 m of the water column. When an animal dives, the CTD-Satellite Relay Data Logger (CTD-SRDL) records ver- tical profiles of temperature, conductivity and pressure. Data are compressed once the animal returns to the surface where it is located by, and relays data to, the Argos satellite system. The technical challenges met in the design of the CTD-SRDL are the maximising of energy efficiency and minimising size, whilst simultaneously maintaining the reliability of an instru- ment that cannot be recovered and is required to survive its lifetime attached to a marine mammal. The CTD-SRDLs record temperature .....
Page Rangepp.685– 695
Essential Ocean Variables (EOV)Subsurface temperature
Best Practice TypeManual
CitationBoehme, L.; Lovell, P.; Biuw, M.; Roquet, F.; Nicholson, J.; Thorpe, S.E.; Meredith, M.P. and Fedak, M. (2009) Technical Note: Animal-borne CTD-Satellite Relay Data Loggers for real-time oceanographic data collection. Ocean Sciences, 5, pp.685-695. DOI: http://dx.doi.org/10.25607/OBP-89
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