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<br />( <br />.:.> <br /> <br /> Lodore Echo Whirlpool lsland Split Canyons Meanders Study <br /> Canyon Park Canyon Park Mountain Area <br />Reach length (km) 1 28.5 3.2 14.2 11.6 8.0 50.6 14.8 65.5 <br />Area of alluvium (m2fkm) 34,962 323,366 30,008 769,943 33,164 33,319 675,688 175,947 <br />Rapids (count) 53 0 26 2 12 91 2 93 <br />Rapid frequency (count/km) 1.9 0.0 1.8 0.2 1.0 1.8 0.1 1.4 <br />Debris fans (count) 81 1 53 5 35 169 6 175 <br />Fan frequency (count/km) 2.8 0.3 3.7 0.4 2.9 3.3 0.4 2.7 <br />Total area of debris fans (m2) 739,543 5,598 259,407 13,520 281,2II 1,280,161 19,II8 1,299,279 <br />I 9,130 5,598 4,894 2,704 8,035 <br />Average area of fans (m2) 7,575 3,186 7,424 <br />Percent of gravel 6 23 32 32 32 17 31 29 <br />deposits by fine-grained 62 65 55 68 27 55 67 66 <br />area mixed 32 12 13 1 41 29 2 5 <br />Percent of gravel 80 0 85 0 100 89 0 7 <br />deposits in fine- grained 51 2 89 0 100 64 0 8 <br />fan-eddy mixed 72 0 68 0 100 78 0 58 <br />complex all alluvium 60 1 85 0 100 72 0 10 <br />Percent of fine-grained 34 1 63 " 0 44 42 0 5 <br />material in eddy bars <br /> <br />1 Length of mapped reach (8 km of 11.9-km long Split Mountain Canyon were mapped). <br /> <br />I'J' <br />