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V.—On the Influence of the Gulf-stream

Published online by Cambridge University Press:  01 May 2009

James Croll
James Croll
Affiliation:
Geological Survey of Scotland.
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Extract

The modern method of determining the amount of heat effects in absolute measure is no doubt destined to cast new light on all questions connected with climate, as it has done and is still doing in every department of physics where energy under the form of heat is the phenomenon under consideration.

Type
Original Articles
Information
Geological Magazine , Volume 6 , Issue 58 , April 1869 , pp. 157 - 162
Copyright
Copyright © Cambridge University Press 1869

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References

page 159 note 1 Phil. Mag. for 02 1867, p. 127Google Scholar.

page 159 note 2 Captain Maury considers the Gulf-stream equal to a stream 32 miles broad and 1200 feet deep, flowing at the rate of five knots (38,415 feet) an hour (Physical Geography of the Sea, § 24). This gives 6,166,700,000,000 cubic feet per hour as the quantity of water conveyed by this stream. Sir John's Herschel's estimate is still greater. He considers it equal to a stream 30 miles broad and 2200 feet deep, flowing at the rate of four miles an hour (Physical Geography, § 54). This makes the quantity 7,359,900,000,000 cubic feet per hour. Sir John estimates the temperature at 86° F.

page 159 note 3 Trans. of Royal Soc. of Edin., Vol. xxi., p. 57. Phil. Mag. S. 4, Vol. ix. p. 36.Google Scholar

page 159 note 4 Smithsonian Contributions to Knowledge, Vol. IX.

page 161 note 1 Heat as a Mode of Motion, article 240.