(3) Study of model scale effects in movable-bed wave models (9C) 



(-4) Study of wave generation in inland waters (2D-1) 



Studies on which the collection of field and laboratory data have 

 been completed and on which reports will be prepared during the fiscal 

 year are as follows: 



(1) Study of pressures developed by waves breaking against vertical 



structures (8B-9) 



(2) Correlation of waves and alongshore currents (3B-1) 



(3) Effect of Mission Bay jetties on adjacent beaches (7A-2) 



(4-) Preparation of charts showing effect of submerged breakwaters 

 on waves (7B-10) 



(5) Preparation of reports based on Mission Bay field data (6Bj C, 



D-6) 



(6) Use of radio-active material for tracers in beach studies (9C) 



The following studies, though not necessarily underway at present, 

 are scheduled to be undertaken and completed during the present fiscal 

 year • 



(1) Measurement of deep-water ocean waves by an airborne wave 



recorder (IB - 1) 



(2) Ifeasurement of deep-water ocean waves by a spar-buoy wave 



gage (lB-1) 



(3) Wave tank study of isave energy loss by bottom friction and per- 



ns ability (2G-1) 



(4.) Wave tank study of wave run-up on shore structures (7B-3) 



(5) Wave tank study of sand sorting due to wave action on sand beds 



(6B-1) 



(6) Study of effect on beach profiles of varying wave periods 



(6B-4) 



(7) Preparation of selected list of references pertaining to beach 



erosion (9D) 



17 



