CONTENTS 



FIGURES 



Page 



. i-ontispiece —Aerial photograph of Torrey Pines Beach study area . . 6 



1 Location map 9 



2 Location of range lines, bench marks, and reference rod 



stations for beach profile measurements 11 



3 Survey procedure 13 



4 Comparison of reference rod measurements and acoustic 



soundings, South Range 16 



5 Schematic diagram of recording depth gage 17 



6a Berm crest and offshore sand level changes on South Range, 



June 1972 to June 1974 ' 21 



6b Berm crest and offshore sand level changes on North Range, 



June 1972 to June 1974 22 



6c Berm crest and offshore sand level changes on Indian 



Canyon Range, June 1972 to June 1974 23 



7 Comparison of October and November 1972 beach profiles 24 



8 Comparison of beach profiles measured at North Range, 



23 October 1972 26 



9 Comparison of beach profiles measured at North Range, 



25 October 1973 28 



10 Onshore movement of sand at North Range 29 



