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Platforms > Water-based Platforms > Buoys > Moored > DART

Preferred term

DART  

Definition

  • The Deep-ocean Assessment and Reporting of Tsunamis (DART) real-time tsunami buoy system is comprised of two parts -- the Bottom Pressure Recorder (BPR) and the accompanying surface buoy with its related electronics. The BPR resides on the ocean bottom and monitors water pressure with a resolution of approximately 1 mm seawater. Samples integrated over a 15-second time window are recorded internally by the BPR and provide the base sampling interval for all real-time transmissions. Data are transmitted from the BPR to the surface buoy via an acoustic modem which in turn transmits the data to ground systems via Iridium satellites. (en)

Broader concept

Change note

  • 2021-11-18 08:52:50.0 [tstevens] Move Concepts delete broader relation (null); add broader relation (DART [b29f3baa-5bb8-4b64-8c5b-27c3de8084bd,826653] - Moored [15a80a3c-a97b-4872-896c-b7e6292663b8,835895]);
  • 2022-02-20 14:19:27.0 [tstevens] update Definition (The Deep-ocean Assessment and Reporting of Tsunamis (DART) real-time tsunami buoy system is comprised of two parts -- the Bottom Pressure Recorder (BPR) and the accompanying surface buoy with its related electronics. The BPR resides on the ocean bottom and monitors water pressure with a resolution of approximately 1 mm seawater. Samples integrated over a 15-second time window are recorded internally by the BPR and provide the base sampling interval for all real-time transmissions. Data are transmitted from the BPR to the surface buoy via an acoustic modem which in turn transmits the data to ground systems via Iridium satellites.); update Definition (NOAA);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/b29f3baa-5bb8-4b64-8c5b-27c3de8084bd

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