Deep-ocean Assessment and Reporting of Tsunamis
Component of an enhanced tsunami warning system / From Wikipedia, the free encyclopedia
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Deep-ocean Assessment and Reporting of Tsunamis (DART) is a component of an enhanced tsunami warning system.
By logging changes in seafloor temperature and pressure, and transmitting the data via a surface buoy to a ground station by satellite, DART enables instant, accurate tsunami forecasts. In Standard Mode, the system logs the data at 15-minute intervals, and in Event Mode, every 15 seconds. A 2-way communication system allows the ground station to switch DART into Event Mode whenever detailed reports are needed.