Card Image 36

C36 SEDIMENT INITIALIZATION AND WATER COLUMN/BED REPRESENTATION OPTIONS

* DATA REQUIRED IF ISTRAN(6) OR ISTRAN(7) <> 0

*

* ISEDINT: 0 FOR CONSTANT INITIAL CONDITIONS

*               1 FOR SPATIALLY VARIABLE WATER COLUMN INITIAL CONDITIONS

*                  FROM SEDW.INP AND SNDW.INP

*              2 FOR SPATIALLY VARIABLE BED INITIAL CONDITIONS

*                 FROM SEDB.INP AND SNDB.INP

*             3 FOR SPATIALLY VARIABLE WATER COL AND BED INITIAL CONDITIONS

* ISEDBINT: 0 FOR SPATIALLY VARYING BED INITIAL CONDITIONS IN MASS/AREA

*                 1 FOR SPATIALLY VARYING BED INITIAL CONDITIONS IN MASS FRACTION

*                    OF TOTAL SEDIMENT MASS (REQUIRES BED LAYER THICKNESS

*                    FILE BEDLAY.INP)

* NSEDFLUME: 0 USE THE SEDIMENT TRANSPORT FUNCTIONS IN EFDC MAIN CODE

*                      98 USE THE SEDZLJ SEDIMENT TRANSPORT SUB-MODEL

*                      99 USE THE SEDZLJ SEDIMENT TRANSPORT SUB-MODEL WITH TOXICS

*

* ISMUD: 1 INCLUDE COHESIVE FLUID MUD VISCOUS EFFECTS USING EFDC

*                FUNCTION CSEDVIS(SEDT)

* ISNDWC: NOT USED

*

*

* ISEDVW: 0 FOR CONSTANT OR SIMPLE CONCENTRATION DEPENDENT

*                   COHESIVE SEDIMENT SETTLING VELOCITY

*               >1 CONCENTRATION AND/OR SHEAR/TURBULENCE DEPENDENT COHESIVE

*                  SEDIMENT SETTLING VELOCITY. VALUE INDICATES OPTION TO BE USED

*                  IN EFDC FUNCTION CSEDSET(SED,SHEAR,ISEDVWC)

*               1 HUANG AND MEHTA - LAKE OKEECHOBEE

*               2 SHRESTA AND ORLOB - FOR KRONES SAN FRANCISCO BAY DATA

*               3 ZIEGLER AND NESBIT - FRESH WATER

*             98 LICK FLOCCULATION

*             99 LICK FLOCCULATION WITH FLOC DIAMETER ADVECTION

* ISNDVW: 0 USE CONSTANT SPECIFIED NON-COHESIVE SED SETTLING VELOCITIES

*                  OR CALCULATE FOR CLASS DIAMETER IF SPECIFIED VALUE IS NEG

*              >1 FOLLOW OPTION 0 PROCEDURE BUT APPLY HINDERED SETTLING

*                  CORRECTION. VALUE INDICATES OPTION TO BE USED WITH EFDC

*                  FUNCTION CSNDSET(SND,SDEN,ISNDVW) VALUE OF ISNDVW INDICATES

*                  EXPONENTIAL IN CORRECT (1-SDEN(NS)*SND(NS)**ISNDVW

* KB: MAXIMUM NUMBER OF BED LAYERS (EXCLUDING ACTIVE LAYER)

* ISDTXBUG: 1 TO ACTIVATE SEDIMENT AND TOXICS DIAGNOSTICS

*