336 MISCELLANEOUS STUDIES 



The relation of the temperature to time, depth and rate of vertical flow in the 

 depth interval from 40 to 600 meters 367 



Statement of assumptions and mathematical formulation of the problem 367 

 Solution for the case in which the vertical flow is constant 369 



Solution for the case in which the vertical flow is a periodic function of 

 the time 372 



Numerical values of the constants in the solution, determined from tem- 

 perature observations in the Pacific near San Diego ... 374 



Comparison of theoretical and observed monthly temperatures at depths 

 from 40 to 600 meters in the San Diego region 382 



Solution of the problem of temperature reduction due to upwelling, with 

 numerical applications relative to the 40 meter level in the San Diego 

 region 382 



Deduction of the change in surface temperatures due to a vertical flow of water 

 near the surface 388 



Statement of assumptions and mathematical formulation of the problem 

 and solution for the case in which the flow is coastant 388 



Solution for the case in which the flow is a periodic function of the time.... 391 



Theoretical reduction of the surface temperature for each month in the San 

 Diego region due to upwelling, and comparison with observations 393 



Deductions relative to oceanic circulation in the San Diego region, based on 

 Ekman's hydrodynamical theory 397 



Deduction of the upwelling velocity in the San Diego region from the observed 

 relation of salinity to depth, and comparison with that deduced from tem- 

 perature data 406 



Conclusion 415 



Literature cited.... ....419-421 



