Table 5 



Calculation of U,,, for Different Reaches and Wind Speeds 



Uis - U' 



Uio U^ = — — r- ft/sec 



^^,18 ""^ 6.13 Log Z/Z' 



ft/sec 



Keacn J neacn neach Keacn Keacn Keach Keacn Reach 

 No.l No. 2 No. 3 No. 4 No . 5 No. 6 No, 7 No . 8 



14.70 



- 



- 



0.175 



0.079 



0.22 



- 



- 



- 



16.50 



- 



- 



0.268 



0.175 



0.310 



- 



- 





18.20 



- 



- 



0.356 



0.264 



0.40 



- 



0.033 



0.065. 



18.8 



- 



- 



0.385 



0.286 



0.428 



- 



0.066 



0.098 



20.0 



- 



- 



0.45 



0.358 



0.49 



- 



0.130 



0.164 



21,.02 



- 



- 



0.50 



0.410 



0.55 



- 



0.19 



0.22 



21.8 



- 



- 



0.54 



0.450 



0.58 



- 



0.23 



0.26 



22.9 



- 



- 



0.61 



0.510 



0.635 



- 



0.29 



0.32 



23.2 



- 



- 



0.615 



0.53 



0.64 



- 



0.31 



0.34 



24.7 



- 



- 



0.690 



0.605 



0.73 



0.069 



0.39 



0.42 



26.2 



- 



- 



0.780 



0.695 



0.815 



0.167 



0.48 



0.51 



26.6 



- 



- 



0.795 



0.710 



0.825 



0.180 



0.49 



0.525 



27.6 



- 



- 



0.840 



0.760 



0.88 



0.235 



0.55 



0.58 



28.4 



- 



- 



0.88 



0.800 



0.92 



0.29 



0.59 



0.621 



29.1 



- 



- 



0.918 



0.84 



0.954 



0.328 



0.63 



0.66 



30.3 



- 



- 



0.98 



0.90 



0.97 



0.40 



0.694 



0.73 



32.0 



- 



- 



1.07 



0.99 



1.06 



0.494 



0.73 



0.81 



33.2 



- 



- 



1.13 



1.053 



1.12 



0.56 



0.80 



0.882 



34.7 



- 



- 



1.15 



1.13 



1,20 



0.65 



0.88 



0.964 



36.3 



- 



0.074 



1.24 



1.22 



1.28 



0.74 



0.97 



1.05 



37.8 



- 



0.172 



1.32 



1.29 



1.35 



0.83 



1.05 



1.19 



39.3 



.082 



0.265 



1.39 



1.37 



1.43 



1.00 



1.13 



1.27 



40.7 



0.168 



0.31 



1.464 



1.44 



1.50 



1.10 



1.207 



1.35 



>41.2 



















16 



