Table A-2. Data and notes for experiments with the O.lS-millimeter sand (r =9.81). 



Expt. No. 



N 



(cm) 



Cs) 



(cm) 



X 

 (cm) 



n 

 (cm) 



U,Uc,U, 

 (cm/s) 



♦.♦c.*r 



Duration 

 (hr:min) 



581 



60 



27.5 



5.18(c) 



5.0 



_.2 



..2 



33.3(c) 



37.34(c) 



8:17 



Final bed form: 3D 

















59I 



30 13.7 



3.29CC) 



4.86 



16.0 



2.17 



26.2(c) 



23.15(c) 



4:01 



Final bee 



form: 2D, 3D 

















60 



30 13.7 



4.63 





16.0 



2.00 



18.6 



11.69 



5:11 



Final bee 



form: trend to 2D 

















61 



30 13.7 



3.03 





..2 



_.2 



28.5 



27.29 



1:00 



Final bee 



form: trend to 3D 

















621 



100 45.8 



8.51CC) 



4.65 



..2 



__2 



33.8(c) 



38.44(c) - 



4:03 



Final bee 



form : 3D 

















63 



100 45.8 



16.03 





._2 



..2 



17.9 



10.84 



6:02 



Final bee 



form: trend to 2D 

















64 



100 45.8 



12.73 





3.80 



3.67 



22.6 



17.18 



7:20 



Final bee 



form: mostly 2D 

















65 



100 45.8 



10.99 





..2 



..2 



26.2 



23.04 



3:05 



Final bee 



form: mostly 3D 

















66 



100 45.8 



8.53 





..2 



..2 



33.7 



38.26 



2:20 



Final bee 



form: 3D 

















67 



100 45.8 



4.93 









58.3 



114.52 



1:38 



T reducee 

 two large 



in steps from 7.26 

 rounded crests form 



, to 4.93 s where scree 

 id by sand exchange wit 



n tears fro 

 h screens; 



m seal. Fi 

 not enterec 



nal bed form 

 in Figure 2 



is mostly 3D 



7. 



but with 



68l 



25 11.4 



2.97(c) 



4.6 



14.0 



2.0 



24.2(c) 



19.72(c) 



2:11 



Final bee 



form: 2D, 3D 

















69 



25 11.4 



3.28 





14.6 



1.73 



21.9 



16.16 



1:54 



Final bee 



form: 2D 

















70 



25 11.4 



2.70 





13.3 



1.78 



26.6 



23.86 



1:42 



Final bee 



form: mostly 3D 

















71 



25 11.4 



2.56 





_.2 



_.2 



28.1 



26.55 



0:47 



Final bed foro: mostly 3D 

















lExperiments with the bed initially leveled. 



^Final bed form too three dimensional to determine X,n. 



90 



