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<br />Proceedings o.f,he SeYen.h Federal Inleragency Sedimentarion Conference, Marcil 25 to 29. 2001. Reno. Nevadu <br /> <br /> <br /> <br /> <br /> <br />10'3 <br />0.1 <br /> <br />0,2 <br /> <br />0.4 <br /> <br />0,6 <br /> <br />0,8 1.0 <br /> <br />Median diameter of suspended sediment Os (mm) <br /> <br />Figure 1. Relations between concentration and grain size for flow-regulated transport (A) and grain~size-regulated <br />lransport (B). A. Flow-regulated transport. Data are from laboratory experiments of Guy et al. (1966, Table 9); for <br />all runs depth was 15-16 cm; sand in flume had a median diameter orO.33 mm and sigma phi of 1.04. Concentration <br />is weight percent of suspended sediment. C and DJ are positively correlated, because both increase with Ii.. B. <br />Grain-size-regulatcd transport in flume experiments. Plotted pOints represent all runs with u. between 7.0 and 8.0 <br />cmls in data of Guy et al. (1966, Tables 2-8). Increasing the grain size of sediment on the bed caused the <br />concentration of suspended sand to decrease a nd the median diameter of suspended sedim ent 10 increase. <br /> <br />. <br /> <br />1,200 <br />