From OpenwaterpediaDeep-Ocean Assessment and Reporting of Tsunamis) Buoy Array is a global network of tsunameters and surface buoys that serve to detect tsunamis. The buoy array is deployed across the oceans to form a network for the purpose of early warning detection system. The DART Buoy Array provides warning to coastline communities in danger of inundation in case of tsunamis.
Each node of the DART Buoy Array consists of two parts: a tsunameter positioned on the ocean floor and a surface buoy with satellite telecom capabilities. The tsunameters monitor the wave height by measuring the pressure of the water above it. Data from the nodes are sent to the World Meterological Organization's Global Telecommunications System for global dissemination over the Internet.