TABLE OF CONTENTS 



Page 



Graphical construction of wave refraction diagrams by the wave front method 1 



Introduction 1 



Refraction at a straight shore line 4 



Construction of refraction diagrams 4 



Refraction diagram, Monterey Bay, California 8 



Construction of refraction diagrams from aerial photographs 15 



Determination of refraction coefficients from aerial photographs 17 



Graphical construction of refraction diagrams directly from orthogonals 18 



Introduction ■ 18 



Development of the method 18 



Application of the method 20 



Discussion of the method 21 



Conclusions 22 



References 22 



Examples of Refraction 32 



Appendix, Theory and plotting data for refraction scales 44 



CONTRIBUTION FROM THE DEPARTMENT OF ENGINEERING 



UNIVERSITY OF CALIFORNIA 



BERKELEY 



II 



