<s>
GMS	B-Application
(	O
Groundwater	B-Application
Modeling	I-Application
System	I-Application
)	O
is	O
water	O
modeling	O
application	O
for	O
building	O
and	O
simulating	O
groundwater	O
models	B-Application
from	O
Aquaveo	O
.	O
</s>
<s>
Currently	O
supported	O
models	B-Application
include	O
MODFLOW	B-Application
,	O
MODPATH	O
,	O
MT3DMS	B-Application
,	O
RT3D	O
,	O
FEMWATER	O
,	O
SEEP2D	B-Application
,	O
and	O
UTEXAS	B-Application
.	O
</s>
<s>
Version	O
6	O
introduced	O
the	O
use	O
of	O
XMDF	B-Language
(	O
eXtensible	O
Model	O
Data	O
Format	O
)	O
,	O
which	O
is	O
a	O
compatible	O
extension	O
of	O
HDF5	B-Application
.	O
</s>
<s>
GMS	B-Application
was	O
initially	O
developed	O
in	O
the	O
late	O
1980s	O
and	O
early	O
1990s	O
on	O
Unix	B-Application
workstations	O
by	O
the	O
Engineering	O
Computer	O
Graphics	O
Laboratory	O
at	O
Brigham	O
Young	O
University	O
.	O
</s>
<s>
The	O
development	O
of	O
GMS	B-Application
was	O
funded	O
primarily	O
by	O
The	O
United	O
States	O
Army	O
Corps	O
of	O
Engineers	O
and	O
was	O
known	O
—	O
until	O
version	O
4.0	O
,	O
released	O
in	O
late	O
1999	O
—	O
as	O
the	O
Department	B-Application
of	I-Application
Defense	I-Application
Groundwater	I-Application
Modeling	I-Application
System	I-Application
,	O
or	O
DoD	B-Application
GMS	I-Application
.	O
</s>
<s>
It	O
was	O
ported	O
to	O
Microsoft	B-Application
Windows	I-Application
in	O
the	O
mid	O
1990s	O
.	O
</s>
<s>
Version	O
3.1	O
was	O
the	O
last	O
version	O
that	O
supported	O
HP-UX	B-Application
,	O
IRIX	B-Operating_System
,	O
OSF/1	B-Operating_System
,	O
and	O
Solaris	B-Application
platforms	O
.	O
</s>
<s>
Development	O
of	O
GMS	B-Application
—	O
along	O
with	O
WMS	B-Application
and	O
SMS	B-Application
—	O
was	O
transferred	O
to	O
Aquaveo	O
when	O
it	O
formed	O
in	O
April	O
2007	O
.	O
</s>
<s>
A	O
study	O
published	O
in	O
the	O
Journal	O
of	O
Agricultural	O
and	O
Applied	O
Economics	O
in	O
August	O
2000	O
stated	O
that	O
"	O
GMS	B-Application
provides	O
an	O
interface	O
to	O
the	O
groundwater	O
flow	O
model	O
,	O
MODFLOW	B-Application
,	O
and	O
the	O
contaminant	O
transport	O
model	O
,	O
MT3D	B-Application
.	O
</s>
<s>
MODFLOW	B-Application
is	O
a	O
three-dimensional	O
,	O
cell-centered	O
,	O
finite-difference	O
,	O
saturated-flow	O
model	O
capable	O
of	O
both	O
steady-state	O
and	O
transient	O
analyses	O
...	O
These	O
two	O
models	B-Application
,	O
when	O
put	O
together	O
,	O
provide	O
a	O
comprehensive	O
tool	O
for	O
examining	O
groundwater	O
flow	O
and	O
nitrate	O
transport	O
and	O
accumulation	O
"	O
.	O
</s>
<s>
+	O
GMS	B-Application
Release	O
History	O
Date	O
Released	O
Name	O
Version	O
Comments	O
References	O
Department	B-Application
of	I-Application
Defense	I-Application
Groundwater	I-Application
Modeling	I-Application
System	I-Application
Supported	O
meshes	O
,	O
grids	O
,	O
geostats	O
,	O
MODFLOW	B-Application
(	O
MODFLOW	B-Application
88	O
)	O
,	O
and	O
FEMWATER	O
Department	B-Application
of	I-Application
Defense	I-Application
Groundwater	I-Application
Modeling	I-Application
System	I-Application
Support	O
added	O
for	O
MT3D	B-Application
Department	B-Application
of	I-Application
Defense	I-Application
Groundwater	I-Application
Modeling	I-Application
System	I-Application
Department	B-Application
of	I-Application
Defense	I-Application
Groundwater	I-Application
Modeling	I-Application
System	I-Application
Map	O
module	O
added	O
,	O
support	O
added	O
for	O
conceptual	O
modeling	O
,	O
MODPATH	O
,	O
and	O
updates	O
for	O
FEMWATER	O
Department	B-Application
of	I-Application
Defense	I-Application
Groundwater	I-Application
Modeling	I-Application
System	I-Application
Support	O
added	O
for	O
SEEP2D	B-Application
and	O
RT3D	O
Department	B-Application
of	I-Application
Defense	I-Application
Groundwater	I-Application
Modeling	I-Application
System	I-Application
Support	O
added	O
for	O
SEAM3D	O
Department	B-Application
of	I-Application
Defense	I-Application
Groundwater	I-Application
Modeling	I-Application
System	I-Application
Standard	O
Windows	O
icons	O
added	O
to	O
the	O
GUI	B-Application
,	O
support	O
added	O
for	O
parameter	O
estimation	O
(	O
PEST	O
&	O
UCODE	B-Application
)	O
,	O
UTCHEM	O
,	O
MODFLOW-96	O
,	O
orthogonal	O
view	O
GMS	B-Application
Project	O
Explorer	O
added	O
to	O
GUI	B-Application
,	O
cross	O
section	O
editor	O
added	O
,	O
support	O
added	O
for	O
stochastic	O
modeling	O
,	O
horizons	O
,	O
MODFLOW-000	O
,	O
and	O
T-PROGS	O
GMS	B-Application
Support	O
added	O
for	O
MODAEM	O
GMS	B-Application
Support	O
added	O
for	O
GIS	B-Application
,	O
conceptual	O
model	O
objects	O
,	O
and	O
coverage	O
attribute	O
tables	O
GMS	B-Application
Support	O
for	O
OpenGL	B-Application
rendering	O
,	O
MODFLOW	B-Application
stored	O
in	O
files	O
rather	O
than	O
in	O
memory	O
GMS	B-Application
First	O
version	O
released	O
by	O
Aquaveo	O
.	O
</s>
<s>
Support	O
added	O
for	O
UTEXAS	B-Application
and	O
HDF5	B-Application
GMS	B-Application
Compatible	O
with	O
Windows	B-Application
Vista	I-Application
.	O
</s>
<s>
Support	O
export	O
in	O
Arc	O
Hydro	O
Groundwater	O
(	O
AHGW	O
)	O
format	O
,	O
updated	O
MODFLOW	B-Application
support	O
,	O
added	O
support	O
for	O
MODPATH	O
5	O
,	O
removed	O
ART3D	O
interface	O
GMS	B-Application
Updated	O
MODFLOW	B-Application
package	O
and	O
UTEXAS	B-Application
feature	O
support	O
,	O
added	O
Parallel	O
PEST	O
(	O
including	O
SVD	O
and	O
SVD-Assist	O
with	O
PEST	O
)	O
,	O
changed	O
GMS	B-Application
logo	O
GMS	B-Application
Added	O
support	O
for	O
MODFLOW-2005	O
and	O
SEAWAT	O
,	O
updated	O
MODFLOW-2000	O
,	O
MT3DMS	B-Application
,	O
and	O
T-PROGS	O
support	O
,	O
improved	O
OpenGL	B-Application
speed	O
and	O
general	O
GUI	B-Application
GMS	B-Application
64-bit	B-Device
version	O
of	O
GMS	B-Application
released	O
,	O
improved	O
speed	O
of	O
MODFLOW	B-Application
saving	O
and	O
importing	O
,	O
updated	O
FEMWATER	O
,	O
annotations	O
,	O
and	O
Global	B-Application
Mapper	I-Application
GMS	B-Application
Added	O
support	O
for	O
ZONEBUDGET	O
and	O
MODFLOW	B-Application
NWT	O
and	O
DE4	O
,	O
major	O
update	O
to	O
most	O
models	B-Application
and	O
libraries	O
GMS	B-Application
Added	O
feature	O
allowing	O
users	O
to	O
report	O
bugs	O
within	O
GMS	B-Application
.	O
</s>
<s>
GMS	B-Application
Current	O
GMS	B-Application
logo	O
released	O
.	O
</s>
<s>
A	O
2001	O
report	O
prepared	O
for	O
the	O
Iowa	O
Comprehensive	O
Petroleum	O
Underground	O
Storage	O
Tank	O
Fund	O
Board	O
stated	O
that	O
GMS	B-Application
was	O
"	O
a	O
very	O
user-friendly	O
software	O
package	O
with	O
strong	O
technical	O
support.	O
"	O
</s>
<s>
Raymond	O
H	O
.	O
Johnson	O
,	O
a	O
hydrogeologist	O
with	O
the	O
US	O
Geological	O
Survey	O
,	O
called	O
GMS	B-Application
6.0	O
"	O
a	O
useful	O
all	O
around	O
groundwater	O
modeling	O
package	O
that	O
offers	O
the	O
advantages	O
of	O
modular	O
purchases	O
,	O
multiple	O
model	O
support	O
,	O
linkages	O
to	O
ArcGIS	O
,	O
conceptual	O
model	O
development	O
,	O
and	O
integrated	O
inversion	O
routines.	O
"	O
</s>
<s>
A	O
2006	O
report	O
from	O
the	O
Center	O
for	O
Nuclear	O
Waste	O
Regulatory	O
Analyses	O
in	O
San	O
Antonio	O
,	O
Texas	O
called	O
GMS	B-Application
"	O
the	O
most	O
sophisticated	O
groundwater	O
modeling	O
software	O
available	O
"	O
.	O
</s>
