Description Usage Arguments Value
Reads information from a MODFLOW GHB package file. The GHB package specifies the simplest kind of head dependent flux boundary condition that includes a conductance term. The flux is calculated by:
Q_{GHB} = \frac{h_{model} - h_{GHB}}{Cond}
1 |
filename |
character string; the package file to read |
nSP |
integer |
FREE |
logical |
object of class GHB.MFpackage:
$header
(1-row data.frame):
..$MXACTB
(int): the maximum number of GHB boundary cells in any
stress period
..$IGHBCB
(int): unit number to which to save flow to GHB cells
$spheaders
(data.frame with nSP
rows):
..$ITMP
(int): number of active GHB cells in each stress period
or, if <1, signals to reuse information from previous stress
period
..$NP
(int): number of parameters active in each stress period (not
that parameter-defined boundaries are not currently supported in
read.GHB
)
$data
(data.table):
..$L
(int): layer
..$R
(int): row
..$C
(int): column
..$BHead
(double): head at boundary above model datum
(h_{GHB})
..$Cond
(double): conductance of boundary (units
length^2/time)
..$...
: any auxiliary variables that are included in the file
but which don't play a role in the MODFLOW simulation
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