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TABS-MDS
DE CARD
WETTING AND DRYING BY ELEMENT ELIMINATION
DE CARD
Active parameters on this card cause the program to check for wetting and drying. The depth criterion must
be entered in units appropriate with SI-card.
Field
Variable
Value
Description
0,C1-2
IC1
DE
Card group identifier
1
IDSWT
0
Do not check for wetting and drying.
+
Iteration frequency of testing for a wet or dry modification
Recommendation: IDSWT should be a multiple of the iteration
counter (TIS and/or TID card). Set it very large to permit checking
only at the end of a time step.
2
DSET
+
Depth below which nodes are considered dry.
-,0
Defaults to 0.275 ft or 0.084 m
3
DSETD
+
Depth above which nodes become active when re-wetting.
-,0
Defaults to 0.60 ft or 0.183 m
Note: if the DE card is omitted,
IDSWT = 0
10
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