studies scheduled to be undertaken and completed insofar as possible 

 during Fiscal Year 1952 are as followss 



(1) Study of wave refraction theory by wave tank tests (2B-1) 



(2) Wave tank study of re-fonning of waves after breaking (2C-1) 



(3) Study of concurrent hydro graphic changes in deep and shallow 



water (4A-1) 



(A) Study of rate of littoral drift reaching South I^ke Worth Inlet 

 by-passing plant (6C-5) 



(5) Study of Salina Cruz^ Mexico ^ by-passing plant (80-5) 



(6) Summary of information on transport of sand by wind (4.B-8) 



(7) Review of existing knowledge of effects on internal wave 



currents of coalescence and interference of wave trains 

 (2A--1) 



(8) Development of magnetic induction type current recorder (9A) 



Studies being vaade at present by outside agencies under contract to 

 the Beach Erosion Board are as followss 



(1) Study of methods of analysis of wave records by electronic 



speech analyzers (lB-1) 



(2) Study of methods of computing wave refraction over com.plex 



hydrography (2B-1) 



(3) DevelopnBnt of method of computing refraction coefficients from 



one orthogonal (2B-1) 



(4.) Study to improve methods of forecasting alongshore currents 

 (3B-1) 



(5) Investigations of historic source and travel of sand found on 



existing beaches (4^A-1) 



(6) Geological study of San Nicolas Island beaches (AA-l) 



(7) Study of submarine canyons as traps for littoral drift (5B-7) 



(8) Development of instruments (9A) 



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