FIGURE 17


Experimental Measurements of Longitudinal Dispersion in Open Channels (p.126-127 in Fischer)

	Channel			Depth	Width	Mean	Obs		K=	Model
				(ft)	(ft)	Vel	K          .11u(w^2)/d   K
                                   		(ft/s) (ft^2/s)

1	Chicago Ship Canal	26.48	160.11	0.89	32		94	107	
2	Missouri River		8.86	656.20	5.09	16153		27191	22837	
3	Copper Creek		1.61	52.50	0.89	215		167	160	
4				2.79	59.06	1.97	226		271	323	
5				1.61	52.50	0.85	102		161	149	
6	Clinch River		2.79	154.21	1.05	151		985	844	
7				6.89	196.86	3.08	582		1908	1797	
8				6.89	173.89	2.72	506		1315	1252	
9	Copper Creek		1.31	62.34	0.52	107		171	148	
10	Powell River		2.79	111.55	0.49	102		242	207	
11	Clinch River		1.90	118.12	0.69	87		556	464	
12	Coachella Canal		5.12	78.74	2.33	103		310	374	
13	Bayou Anacoco		3.08	85.31	1.12	355		290	278	
14				2.99	121.40	1.31	420		713	636	
15	Nooksack River		2.49	209.98	2.20	377		4276	3684	
16	Wind Bighorn River	3.61	193.58	3.24	452		3702	3366	
17				7.09	226.39	5.09	1723		4046	3749	
18	John Day River		1.90	82.03	3.31	151		1289	1261	
19				8.10	111.55	2.69	700		454	548	
20	Comite River		1.41	52.50	1.21	151		261	241	
21	Sabine River		6.69	341.22	1.90	3392		3641	3090	
22				15.58	416.69	2.10	7215		2573	2301	
23	Yadkin River		7.71	229.67	1.41	1185		1062	962	
24				12.60	236.23	2.49	2800		1215	1181