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<br />d02';93 <br /> <br /> <br />Figure 6. Ell'V3ted view of the offset double de/lector looking from dovo'llnre;'m to <br />upstream. <br /> <br />These sm.lct<Ire$ provide 3 deeper low /low channel at lower flows. As !he /lows <br />increase these s\1tJctllreS constrict and aaelen<te the water often creating strong eddy lines <br />below tho suuctllres and a mid.stream wave train that provides a venue for wrfing and Dick <br />m.&lle1l\"eflfore~periencedpaddlers.lnfact,lhesernuc~primari1yfunctionthebe~athigh <br />/lowrates. The angle of the de/lectors and slope of~ nverbed can be used to direct the flow <br />and wave train in order to ensure that the powerful flows are directed in an appropriate <br />direction_ Figure7showsatypic"lwavetr~nthatcanbeereatedbyotTseldoublede/lecloTs: <br /> <br /> <br />Figure 7. A l-dcomputer model ofawave train created by otTsetdoubledetlectors <br /> <br />Both oflhese ~ture! are designed such thaI the river u usable at" vmcty ofwaler <br />lc:veIs. Figure 8 shows a profile view of the U-MruCture looking upstream. This view <br />highlights the versatile dcsignofthe!e suucl1.1res. The low flow channel can be designed 'to <br /> <br />" <br />