Table C-1. Offshore samples, Duck, North Carolina, 

 7-9 August 1979. — Continued 



Sample Range Distance Depth Date Time Description 



No. (m) (m) (m) 



III-7 76 S. A91 6.6 9 11:25 Fine sand, ripples, 0.5-mile visibility; 



X = 6 cm 

 K = 0° 



III-8 76 S. 379 4.1 9 11:41 Fine sand, ripples, 2-mile visibility; 



X = 9 to 10 cm 



a = 1 to 1 . 5 cm 



< - 355° 



III-9 76 S. 343 3.7 9 11:56 Fine sand, ripples, transitional to plane bed 



during wave crest passage, 2-mile visibility; 

 X = 5 to 8 cm 

 K = 350° 



III-IO 76 S. 275 2.9 9 12:16 Fine sand, ripples on mega ripples; 



X =• 2 m 

 a = 15 cm 

 K = 0° 

 Ripples; X = 7 to 8 cm 

 < =. 0° 



III-ll 76 S. 251 2.7 9 12:42 Fine sand, ripples in transition; 



X = 6 to 8 cm 



a " 1 cm (to plane bed) 



< = 355° 



15:46 Silt, ripples, no visibility 



16:09 Fine sand, ripples, 1.5-mlle visibility; 

 X = 9 to 10 cm 

 a = 2 to 2.5 cm 



< - 355° 



V-6 305 S. 794 7.6 9 16:55 Fine sand, ripples, 1.5-mile visibility; 



X = 9 to 10 cm 

 a = 3 cm 



< «■ 0° 



V-8 305 S. 356 3.0 9 17:15 Fine sand, linguoid ripples, 2-mlle 



visibility; 



X = 9 to 10 cm 



K = 340° (primary) 



< = 0° (secondary) 



V-2 



305 S. 



1688 



13.4 



9 



V-4 



305 S. 



1080 



9.1 



9 



95 



