APPENDIX E: NOTATION 



a Empirically determined coefficient 



A Empirical coefficient 



Aqj Area beneath Cube predictive equation 



A D85 Area beneath DUCK85 predictive equation 



A 1CU Area below lower confidence limit for Cube predictive equation 



A 1TR Area below lower confidence limit for trap-predictive equation 



A SD Area beneath SUPERDUCK predictive equation 



A ra Area beneath a trap-predictive equation 



Aucu Area below upper confidence limit for Cube predictive equation 



Autr Area below upper confidence limit for trap-predictive equation 



b Empirically determined constant 



c Constant in logarithmic law taken equal to zero 



C Empirical coefficient in wet weight to dry weight conversion; 



also concentration of sediment 



D Characteristic depth for use in Reynolds number calculation 



D Grain diameter 



DW Dry weight of sand 



d s Mean diameter of sand 



E h Hydraulic efficiency 



E s Sand- trapping efficiency 



F Sand flux 



f Friction factor 



f m Measured flux (g/cm /sec) 



f Predicted flux (g/cm 2 /sec) 



F(k) Flux of sand at streamer k (weight per unit area and unit 

 time, g/cm 2 /sec) 



F(k+1) Flux of sand at streamer k+1 (weight per unit area and unit 

 time, g/cm 2 /sec) 



F x Basin sand flux, flow speed less than 58 cm/sec (g/cm 2 /sec) 



F 2 Basin sand flux, flow speed greater or equal to 58 cm/sec 



(g/cm 2 /sec) 



FE(k) Estimated flux between streamers k and k+1 (weight per 

 unit area and unit time, g/cm 2 /sec) 



g Acceleration of gravity 



El 



