Science: Ocean Thermometer

An airborne thermometer that can take the temperature of the sea was described last week by the Woods Hole Oceanographic Institution of Woods Hole, Mass. Originally developed by Henry Stommel and Donald Parson, the thermometer measures the long-wave radiation from the sea and from it shows whether the water is warm or cold. The gadget has been used successfully to track the inner edge of the Gulf Stream, distinguishing it from colder inshore water all the way from Florida up to George's Bank, off Cape Cod.

The instrument will soon be tested on another...

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