Abstract
Radar satellites are currently being used on a routine basis for near real‐time pollution monitoring in Norwegian waters. This article describes the phased introduction of this service, from infrastructure development, basic science, and field experiments, to near real‐time demonstrations and knowledge transfer from research laboratories to operational entities. The service is initially based on the European Space Agency's ERS satellites. Future radar satellites such as RADARSAT‐1 and ENVISAT‐1 will offer increased coverage. At low wind speed (3–4 m/s) even very thin pollutants can be detected, but there is a risk of false alarms from slicks of natural origin. Emulsion oil has been observed with ERS‐1 at 10 m/s wind speed.
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