Oivcnoc>*cc Of 



OaTMOOOMALS 

 POOOOCtt LOW 



WAVC9 IM TmiS 



ABCA 



COVE 

 coMvcaacNcc O' oktnooonals 



Pf*O0UeC.$ HlttN WAVfS IN This 

 ARCA 



it-sicoNo »e«ioo 



— OCPTM COHTOUH^ 



IM FAIMOMS 

 SCALES 



1000 FT 



300 m 



\ 



(Wiegel,1953) 



Figure A-6. Refraction diagram. 



A-46 



