Some examples of detection of oceanic mesoscale eddies by the SEASAT synthetic‐aperture radar

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Abstract
This note presents images of three dynamically different regions in the ocean to demonstrate the variety of mesoscale variabilities detected by the SEASAT synthetic‐aperture radar (SAR). South of the Grand Banks of Newfoundland, a cold eddy is observed to form as the result of the southward intrusion of Labrador Sea water, perhaps having led to the birth of a Gulf Stream extension ring. Off the northern coast of California, features resulting from the offshore intrusions of cold upwelling water are observed. Two topographically generated eddies are detected near Misteriosa Bank on the Cayman Ridge in the northwestern Caribbean. Comparisons are made with concurrent NOAA‐5 infrared images whenever the eddies have thermal signatures.