APPENDIX C: NOTATION 



A Cross— sectional area 



B Width of top of channel cross section 



C Constants obtained in evaluation of finite-difference solution 



Cf Coefficient of wind drag 



F Governing functional relation in finite-difference form 



g Acceleration due to gravity 



h Water depth from the channel bottom to the free surface 



i Grid space coordinate; also, arbitrary node number 



J Grid time coordinate; also, space coordinate a cross section 

 subchannel 



k Arbitrary node number 



K Conveyance 



Kg Empirical form-drag coefficient for transition loss 



1 Arbitrary node number 



m Arbitrary node number 



M Arbitrary grid point on space and time solution grid 



n Manning's coefficient of friction 



Hj Manning's coefficient of friction for subchannel J 



N Total number of nodes 



P Wetted perimeter of channel cross section 



q Lateral inflow or outflow per unit channel length per unit time 



Q Volume flow rate (discharge) 



J?[jj Hydraulic radius of subchannel j 



Sg Rate of longitudinal head loss (transition loss) 



Sf Friction slope 



t Time 



V Average water flow velocity 



V„ Wind speed 



X Coordinate identifying position (stations) or distance across a 

 channel cross section 



CI 



