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<br />Coefficients of variation for width were highest at the lowest flow (1 cfs) and decreased <br />with increased flow (Figure 17). This is expected since riffle and run widths become more uniform <br />as flow increases. The relationship between width C.V. and flow was curvilinear between one and <br />100 cfs with an inflection point at about 60 cfs. <br /> <br />Width/Discharge Relationship <br />Strata 6 combined, n = 20 <br /> <br />240 <br />220 <br />200 <br />180 <br />g 160 <br />E 140 <br />'0 <br />s: 120 <br />c 100 <br /><U <br />Q) 80 <br />:::2: 60 <br />40 <br />20 <br />o <br />o <br /> <br /> ..--+-----t--- ---t------ --------1 - <br /> .-.-. .....-.--..t-..-..-.-. ._.._..._._--~....._..._.._- --:::::::::+====- nom ....-.... <br /> , <br /> .~. .{ _.0 __d' .- , ~- -- <br /> , <br /> .... ~---- .-..-.. ..- <br /> - <br /> ,--- -..--.- <br /> ---- i <br /> ..........-..... <br /> --- <br /> .,.. <br />- J - -- ---- <br /> -r ....__n.......... ._mm.......... <br /> j <br /> -....... <br /> ............-.-. <br /> ................ -.. <br /> <br />50 <br /> <br />100 <br /> <br />150 200 250 <br />Discharge (cfs) <br /> <br />300 <br /> <br />350 <br /> <br />400 <br /> <br />Figure 16. Strata 6, width/discharge relationship, results of 4 clusters combined. <br /> <br />35 <br />