SECT. 1] THE EQUATIONS OF MOTION OF SEA-WATER 41 



have no horizontal component. In any case, the magnitude of T will be small, 

 and it is probable that the approximation r = is justifiable. If so, this would 

 result in a marked simplification of the mathematics of the field equations. 



References 



Bjerknes, V. et al., 1933. Physikalische Hydrodynamik. Berlin. 



Eckart, C, 1940. The thermodynamics of irreversible processes. I. The simple fluid. Phys. 



Rev., 58, 267-275. 

 Eckart, C, 1960. H ydrodynaniics of ocean and atmospheres. 

 Eckart, C. and H. G. Ferris, 1956. Equations of motion of the ocean and atmosphere. 



Rev. Mod. Phys., 28, 48. 

 Hesselberg, T. and H. V. Sverdrup, 1914. Der Stabilitatsverhaltnisse des Seewassers bei 



vertikalen Vershiebungen. Bergens Mus. Aarh. 1914—15, No. 15. 

 Jaumann, G., 1911. Geschlossenes System physikalischer und chemischer Differential- 



gesetze. Sitz-her. Akad. Wiss. Wien., Math-yiat. KL, 120, Abt. 2A, 385. 

 Jaumann, G., 1918. Physik der kontinuierlichen Medien. Denkschr. Akad. Wiss. Wien, 



Math.-nat. KL, 95, 461. 

 Lamb, H., 1932. Hydrodynamics. Cambridge Univ. Press. 

 Lohr, E., 1917. Entropieprinzip und geschlossenes Gleichungssystem. Denkschr. Akad. 



Wiss. Wien, Math.-nat. KL, 93, 339. 

 Lohr, E., 1924. Zur Differentialform des Entropieprinzips. Denkschr. Akad. Wiss. Wien, 



Math.-naL KL, 99, 59-91. 

 Lohr, E., 1924a. Des Entropieprinzip der Kontinuitatstheorie. Festschr. Deut. Tech. 



Hochschule Briinn, 1924, 176-187. 

 Meixner, J. and H. G. Reik, 1959. Thermodynamik der irreversiblen Prozesse. Handb. 



Phys., 3, (2), 413. 

 Onsager, L., 1931. Reciprocal relations in irreversible processes. I. Phys. Rev., 37, 405. 

 Onsager, L., 1931a. Reciprocal relations in irreversible processes. II. Phys. Rev., 38, 2265. 

 Oswa kitsch, K., 1956. Oas Dynamics (Translated by G. Kuerti). Academic Press, New York. 

 Rayleigh, Lord, 1894. Theory of Sound. Macmillan, London. 



