D-R-A-F-T
Input Variables
The following is a table of input variables which are the parameters found on the
SED2D data cards (except those in italics, which are not actually input on the card,
but are related to the card). The table lists the variable name, a description, and the
card or cards to which it is associated.
Variable
Description
Content
AC1
Marsh Porosity offset depth from mean elevation
DM
AC2
Marsh Porosity depth range
DM
AC3
Marsh Porosity minimum fractional area
DM
AC4
Marsh Porosity override of min elevation
DM
AGE
Clay layer age, in years
CL
ACGR
Acceleration due to gravity
PV
ALFA1
Angles of control structure in radians
CS
counterclockwise from the positive x-axis
ALOCF
Locking frequency per hour
CS
BCFACT
Boundary buffering chamber mixing factor
BC
CCC
Consolidating coefficient
CI
CLDE
Characteristic length factor for sand deposition
SA
CLER
Characteristic length factor for sand erosion
SA
CORD(j,1-2)
X- and Y- nodal (J) coordinate
GNN
CONC(j)
Initial suspended sediment concentration at node J
IC
CRFLOC
Critical concentration above which flocculation
WF
increased the fall velocity
CRHIND
Critical concentration above which hindered settling
WF
leads to a constant fall velocity
DEPLIMIT
Max depth change permitted before program stops
EF
DIF(j,1)
Turbulent exchange coefficient in x-dir, element J
ED
DIF(j,2)
Turbulent exchange coefficient in y-dir
ED
Turbulent exchange coefficient K1 in eq
DD
DK1(i)
DK2(i)
Turbulent exchange coefficient K2
DD
DK3(i)
Turbulent exchange coefficient K3
DD
DT
Length of a SED2D simulation time step (dec hrs)
TZ
EFDR(j)
Effective sand grain size for roughness
SR
EFDT(j)
Effective sand grain size for transport
ST
ELEV(j)
Nodal (J) elevation
GNN
EROCON
Constant for the clay erosion equation
CC
ERODCP
Critical shear stress for particle erosion for clay
CC
ESPLPT
List of element type numbers for special print
TRT
Run Control 65
Users Guide To SED2D-WES
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