4.6 Article

NIOZ3: Independent Temperature Sensors Sampling Yearlong Data at a Rate of 1 Hz

Journal

IEEE JOURNAL OF OCEANIC ENGINEERING
Volume 34, Issue 3, Pages 315-322

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JOE.2009.2021237

Keywords

Deep-ocean temperature sensor; high precision; inductive communication; minimal power consumption; observations of waves in ocean interior

Funding

  1. Netherlands organization for the advancement of scientific research (NWO)

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Some 110 independent sensors form the NIOZ3-thermistor string to study waves in the ocean interior sampling at a rate of 1 Hz during at least one year. The string operates without connecting cables between the newly designed sensors, which are programmed and synchronized via induction. The accuracy of previous custom-made high-sampling rate thermistor strings is maintained, being better than 1 mK. This is demonstrated here using data from three recent field trials, two above seamounts and one in the ocean interior that occasionally show vigorous (nonlinear) internal wave motions.

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