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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />'I <br />I <br />1- <br />II <br />I <br /> <br />Figure 1. Channel Classification showing relative stability and <br />types of uncertainty encountered with each pattern, <br /> <br />~ J J <br />J: 0 0 <br />C> ..l..l <br /> <br />~ 1 <br /> <br /> <br />:z <br />c:: <br />w C> <br />t- Z 0 <br />t- c:: <br /><t c:: <br />~ w <br />o <br />..lZ <br />w<l: <br />Zw <br />:z ~ <br /><t <br />J: <br />U <br /> <br />0' <br /> <br />~ " <br />- .. <br />Q..- <br />e>'O <br />o 0 <br />I .. <br />~C> <br />- <br />'0 <br /> <br />~ <br /> <br /> <br />~{j <br /> <br /><t ~ ~ <br />~ ~~ <br /> <br />Suspen<led Load <br /> <br />CHANNEL TYPE <br />Mixed Locd <br /> <br />Bed Load <br /> <br />~... <br /> <br />~---...... <br />2 ......--" ~ <br /> <br />3a~ <br /> <br /> <br />3b <br /> <br />~a~3~ <br />I~-'/ <br />,; ........-...... <br />4 '" <br /> <br />LEGEND <br /> <br />__ Channel Boundary <br />.....--... Flow <br /> <br />c::::> Bars <br /> <br />5 <br /> <br />--~ -..-....... <br />, ~ X~ -' <br />-...~- ~- ')",. <br />~...~~-< <br />... .... - <br />-... --~- <br /> <br />HIGH . <br /> <br />(3% >) Low .4 <br /> <br />Small . <br />Small . <br />Low ... <br />Low ~ <br /> <br />RELATIVE STABILITY . LOW <br /> <br />Bed Load Total Load Ratio - High (> 1/%) <br /> <br />Sediment Size . L.arge <br />Sediment Load ~ Lorge <br />Flow Velocity . High <br />Stream Power . High <br /> <br />4 <br /> <br />J: S <br />C> '" <br />::I: ~ - <br />c :-; <br />f < '" <br />. VI <br />~ <br /><l <br />> .- - <br />'" - <br />t- Vl2 <br /> - ~ <br />..l ..u <br /> ....., <br />III < v <br /><l: o " <br />t- ~:z <br />V'l <br />w - - <br />> ~- <br />Vl2 <br />t- o <br />-u <br />-=: ~ <br />." " <br />...J < - <br />UJ o ~ <br />.. '" <br />c:: ~u <br />I = <br />r- < <br />VI 0 <br /> ~ <br />.. - <br />< . <br />:: < > <br />0" <br />0 '" <br />...J u <br />