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NKE Instrumentation

Home / Our Brands / NKE Group / NKE Instrumentation / Buoys and Instrumented Systems / Drifting Buoys

Drifting Buoys

The NKE Instrumentation SC40 drifting buoy series comprises autonomous surface tracking platforms designed to monitor upper-ocean dynamics, surface currents, and pollutant or oil spill trajectories. Each unit drifts dynamically with specific water masses when equipped with a dedicated holey sock drogue, maintaining an optimised drag ratio for accurate current-following performance. Integrated sensor payloads capture essential atmospheric and hydrodynamic variables while relying on onboard GPS positioning and satellite communication links to transmit data globally.

The NKE drifting buoys offer Lagrangian tracking capabilities to map complex open-ocean current paths over extended deployments. They feature rugged, weather-resistant structural housings engineered to withstand severe open-sea environments without manual intervention.

Key Features

  • Lagrangian Current Tracking: Designed to integrate with holey sock drogues to accurately follow specific water masses and map surface drift trajectories.
  • Modular Sensor Configurations: Accommodates flexible sensor options including sea surface temperature (SST), high-resolution SST (HRSST), barometric pressure, and conductivity-temperature (CT) probes.
  • Global Satellite Telemetry: Utilises integrated GPS positioning paired with Iridium satellite communication modules for reliable real-time data offloading.
  • Drogue Presence Monitoring: Features specialised sensors to verify continuous drogue deployment and validate authentic current-follower behaviour.
  • Autonomous Long-Term Power: Optimised low-power electronics architecture enables continuous unattended operation throughout extended marine campaigns.

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Unit 1, 14 Nobel Road,
Wester Gourdie Industrial Estate,
Dundee, DD2 4UH, UK

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