244 



EFFECT OF THE GULF-STREAM IN RAISING [Ch. XII. 



summer is, according to Bennell, 86° Fahr., or at least 7° 



same 



From this 



warm 



Bahama 



miles 



miles 



Hook 



)° 30'. Here 

 temperature 



below it there runs a cold current flowing in an opposite direc- 

 tion, or from the north, having a temperature of only 40° F. ; * 

 so that here we see an active transference continually going on, 

 of tropical heat to the poles and of polar cold to the tropics. 



o 



coming: from Baffin 



immers 



earn 



sometimes 



stream 



foundland, it still retains a temperature of 8° above that of 



In about seventy-eight days it reaches 



the surrounding sea. 



the Azores, after flowing nearly 3,000 geographical miles, 



om thence it sometimes 



miles farther, so as to reach the Bay of Biscay, still retaining 



an excess of 5 



e the mean temperature of that 

 o arrive there in the months of 

 must tend greatly to moderate 



As 



of winter in countries on the west of Europe. 



mass 



In the centre of the North Atlantic there is 

 between the parallels of 33° and 45° N. lat. 

 called the ' recipient of the gulf water.' This 

 is nearly stagnant, is warmer by 7° or 10° thai 

 the Atlantic, and may be compared to the fre 

 river overflowing the heavier salt water of the sea. 

 estimates the area of the < recipient,' together with that 

 covered by the main current, as being 2,000 miles in length 



„, vaters of 

 water of a 

 Rennell 



W.. and 350 in breadth from N 



Mediter 



remarks, is a larger area than that of the 

 The heat of this great body of water is kept up by the inces- 

 sant and quick arrivals of fresh supplies of warm water from 



* Bache on the Gulf-stream.— American Journal of Science, 1860. 





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tit 



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w 



influx 



v 



Dr. Pel 



f 



InBaffi 





loerati 



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*- -*•_ • 



Baffin' 





ma 



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of 





k. , 







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