update evta auxvar dfn to be optional

MODFLOW-USGS · Nov 9, 2023 · 5aaba5d · 5aaba5d
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diff --git a/doc/mf6io/mf6ivar/dfn/gwf-evta.dfn b/doc/mf6io/mf6ivar/dfn/gwf-evta.dfn
@@ -201,6 +201,7 @@ type double precision
 shape (ncol*nrow; ncpl)
 reader readarray
 time_series true
+optional true
 longname auxiliary variable iaux
 description is an array of values for auxiliary variable AUX(IAUX), where iaux is a value from 1 to NAUX, and AUX(IAUX) must be listed as part of the auxiliary variables.  A separate array can be specified for each auxiliary variable.  If an array is not specified for an auxiliary variable, then a value of zero is assigned.  If the value specified here for the auxiliary variable is the same as auxmultname, then the evapotranspiration rate will be multiplied by this array.
 mf6internal auxvar
diff --git a/src/Model/GroundWaterFlow/gwf3evta8idm.f90 b/src/Model/GroundWaterFlow/gwf3evta8idm.f90
@@ -350,7 +350,7 @@ module GwfEvtaInputModule
     'AUXVAR', & ! fortran variable
     'DOUBLE2D', & ! type
     'NAUX NCPL', & ! shape
-    .true., & ! required
+    .false., & ! required
     .false., & ! multi-record
     .false., & ! preserve case
     .false., & ! layered