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The use of HF radar networks within operational forecasting systems of coastal regions

Operational forecasting of current and wave fields in coastal regions got more and more important in the last decades, both for coastal management and for security aspects, e.g. to provide a tool to be used by VTS operators, harbour and coastal managers in locations of dense and sensitive marine operations. One of the key components in this context are high-resolution numerical models, which however require accurate forcing and handling of the boundary conditions. HF radar remote sensed current and wave fields can significantly increase the data quality of the model products through data assimilation. In some cases, when the oceanographic processes induce high local variability, such as mesoscale eddies and fronts, this approach might be the only way to provide reliable now- and forecasts.

This paper presents the design of the integrated measurement/model system which has been developed within the European FP4 project EuroROSE, with a main emphasis on the application of HF radar. In addition, a vision on HF radar networks to cover basin-wide scales is developed and questions like allocation of frequency bands and techniques of sharing frequencies by simultaneous operation of multible HF radars are discussed.


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