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<br />Table 2-3. Variation of Different Variables with Regimes of Flow and <br />Forms of Bed Roughness, (Simons and Richardson Flume <br />Experiments, 1971). <br /> <br /> 0.28 mm Sand 0.45 mm Sand <br /> Forms of Total Load Total Load <br /> Bed Concentra- n Concentra- n <br /> (ft1/6) F Sxl02 (ft1/6) F 5xl02 <br /> Roughness tion (ppm) f r tion (ppm) f r <br /> Plane 0 0.0301 0.016 0.17 0.011 0 0.0359 0.016 0.18 0.015 <br /> Ripples 1 0.0635 0.02 0.17 0.023 1 0.0521 0.020 0.14 0.016 <br />Lower to to to to to to to to to to <br />Flow ISO 0.1025 0.027 0.37 0.11 100 0.1330 0.028 0,28 0.11 <br />Regime Dunes 150 0.0612 0.021 0.32 0.09 100 0.0489 0.019 0.28 0.06 <br /> to to to to to to to to to to <br /> 800 0.0791 0.026 0.44 0.16 1,200 0.1490 0.033 0.65 0.30 '" <br /> a <br /> 1,000 0.0250 0.014 0.55 0.13 1,400 0.0415 0.016 0.61 0.37 <br />Transition to to to to to to to to to to <br /> 2,400 0.0344 0.017 0.67 0.17 4,000 0.0798 0.022 0.92 0.49 <br /> Plane 1 ,500 0.0244 0,013 0.71 0.15 <br /> to to to to to <br /> 3,100 0.0262 0.014 0.92 0.28 <br /> Standing <br />Upper Waves 4,000 0.0200 0.011 1.0 0.36 <br />Flow to to to to to <br />Regime 7,000 0.0406 0.015 1.6 0.62 <br /> Ant idunes 5,000 0.0281 0.014 1.0 0.33 6,000 0,0247 0.012 1.4 0.66 <br /> to to to to to to to to to to <br /> 42,000 0.0672 0.022 1.3 1.0 15,000 0.0292 0.014 1.7 1.0 <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />~~'" <br />