E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
The stream which issues from the Gulf of Mexico, and extends over a range of 3,000 miles, raising the temperature of the water through which it passes, and of the lands against which it flows. It washes the shores of the British Isles, and runs up the coast of Norway.
It is found that the amount of heat transferred by the Gulf Stream from equatorial regions into the North Atlantic amounts to no less than one-fifth part of the entire heat possessed by the North Atlantic.T. Croll: Climate and Time, chap. i. p. 15.