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The Sea Level Station Monitoring Facility: examine the performance and delay of 430 tsunami warning stations

The Intergovernmental Oceanographic Commission (IOC) together with the Flanders Marine Institute (VLIZ) is hosting and developing a public accessible website (http://www.ioc-sealevelmonitoring.org/) that brings together more than 430 sea-level stations globally. The objective of the website is: • to provide information about the operational status of global and regional networks of real-time sea level stations • to provide a display service for quick inspection of the raw data stream from individual stations A sea-level station consist of one or more of sensors (pressure, radar …) that are housed near the coast or on a buoy. The sensors are measuring the sea-level on a fixed interval varying from a second to several minutes or hours. The frequency depends on various parameters like tsunami risk, power consumption, satellite cover, …. While measuring, the station transmits the data in real-time to a satellite.

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Authors

  • Bart Vanhoorne
  • Francisco Hernandez

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