=

coefficient for the source term 1/sec

1

=

2

C

=

Chezy roughness coefficient

concentration of sediment, kg/m3

c

=

CME

=

coefficient of 1 for metric units and l.486 for English units

=

critical concentration = 300 mg/l

Cc

=

coefficient for deposition

Cd

=

coefficient for entrainment

Ce

=

equilibrium concentration

Ceq

=

approximate concentration in an element as evaluated from the shape

functions and nodal point values of c

D

=

water depth

=

effective grain size

Ds

effective diffusion coefficient in x-direction, m2/sec

=

Dx

effective diffusion coefficient in y-direction, m2/sec

Dy

=

DT

=

computation time interval

t

=

time

f(t)

=

time-varying characteristic

=

shear stress coefficient for currents

fc

=

shear stress coefficient for waves

fw

GP

=

transport potential

GS

=

transport capacity

g

=

acceleration due to gravity

i

=

number of grain size class

M

=

consolidation coefficient

N

=

quadratic shape functions

NE

=

total number of elements

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