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<br /> 14 <br /> 12 <br />>- <br />w 10 <br />w <br />"- <br />;;;; <br />::;; <br />a: 8 <br />'" <br />>- <br />z <br />w <br />::;; <br />0 6 <br />::;; <br /> 4 <br /> <br />L <br /> <br /> <br />-. <br /> <br />!!'" <br /> <br />F <br /> <br />Figure 7. Saltcedar that was little affected by flow primarily because 01 the relatively low <br />ratio 01 flow depth to vegetation height. <br /> <br /> <br />----.() <br />-- <br />---- <br />--- <br />-- <br /> <br />- ~ Circumference <br /> <br />0,50 <br />OA5 <br />OAO >- <br /> w <br /> w <br /> "- <br />0,35 ;;;; <br /> W <br /> 0 <br />0,30 z <br />w <br /> a: <br /> w <br /> "- <br />0,25 ::;; <br />::;) <br /> 0 <br /> a: <br />0,20 0 <br />0,15 <br />0,10 <br />120 <br /> <br />/:r---- <br />,,- <br />,,- <br />,,- <br />,,- <br />,,- <br />,,- <br />,,- <br />,,- <br />,,- <br />,,- <br /> <br /> <br />~~~ <br />~~ <br />r--- <br />I <br />I <br />I <br />I <br />I <br />d <br /> <br />/ Moment Arm <br /> <br /> <br />2 <br />o <br /> <br />40 <br /> <br />60 <br />FORCE, IN POUNDS <br /> <br />80 <br /> <br />100 <br /> <br />20 <br /> <br />Figure 8. Relation between moment arm and the force required to bend vegetation to 45' past vertical. <br />Circumference was measured at the immediate location in which the dynamometer was placed, A 15.foot-tall <br />saltcedar was used for this example, <br /> <br />Data Collection and Analysis 15 <br />