SCALES 



BATHYMETRY 

 OFF 

 MERRIMACK RIVER 



INLET, MASS. 



WAVE-INDUCED CURRENT -♦- 

 ON DOWNDRIFT SIDE OF INLET 



FROM HAYES, 1971b) 



Figure 4-73. Wave refraction patterns in vicinity of Merrimack River Estuary 

 entrance just south of the Merrimack Inlet. (Note oblique approach of the 

 wave crests from the northeast. Refraction around the ebb-tidal delta causes 

 an area of local reversal of longshore drift.) 



4-160 



