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Swell tracking from ASAR data

23 June 2008

Web Content Image Storm swells – a succession of large, long waves – are surprise factors that can have deadly consequences when they break on the shoreline. As they are generally preceded by calm water, it is often impossible to visually detect their arrival from shore.

Using the Advanced Synthetic Aperture Radar (ASAR) instrument aboard Envisat, scientists are locating and tracking swells in the Pacific, Atlantic and Indian Oceans in near real time. In the near future, both the arrival and intensity of the swells will be systematically predicted.

The following links will lead you to the latest time-series over: