NOAA Realtime Tsunami Warning Buoy Data
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As part of the U.S. National Tsunami Hazard Mitigation Program (NTHMP), the Deep Ocean Assessment and Reporting of Tsunamis (DART) Project is an ongoing effort to maintain and improve the capability for the early detection and real-time reporting of tsunamis in the open ocean. Developed by NOAA's Pacific Marine Environmental Laboratory (PMEL) and operated by NOAA's National Data Buoy Center (NDBC), DART is essential to fulfilling NOAA's national responsibility for tsunami hazard mitigation and warnings. Project goals are the: Reduction in the loss of life and property in U.S. coastal communities. Elimination of false alarms which result in high economic costs for unnecessary evacuations. DART stations have been sited in regions with a history of generating destructive tsunamis to ensure early detection of tsunamis and to acquire data critical to real-time forecasts. The 6 buoy operational array was completed in 2001. DART systems consist of an anchored seafloor bottom pressure recorder (BPR) and a companion moored surface buoy for real-time communications (Gonzalez et.al, 1998). An acoustic link transmits data from the BPR on the seafloor to the surface buoy. The data are then relayed via a GOES satellite link to ground stations (Milburn, et al., 1996), which demodulate the signals for immediate dissemination to NOAA's Tsunami Warning Centers, NDBC, and PMEL
Related Topics: Monitoring and Observing Systems
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