<s>
GeoMod	B-Application
is	O
a	O
raster-based	O
land	O
change	O
modeling	O
tool	O
in	O
the	O
GIS	B-Application
software	I-Application
TerrSet	B-Application
that	O
simulates	O
the	O
gain	O
or	O
the	O
loss	O
of	O
a	O
land	O
category	O
over	O
a	O
specified	O
time	O
interval	O
.	O
</s>
<s>
GeoMod	B-Application
simulates	O
land	O
change	O
based	O
on	O
a	O
combination	O
of	O
several	O
input	O
requirements	O
.	O
</s>
<s>
GeoMod	B-Application
also	O
needs	O
a	O
suitability	O
map	O
,	O
which	O
shows	O
the	O
transition	O
suitability	O
of	O
each	O
pixel	O
.	O
</s>
<s>
If	O
the	O
user	O
does	O
not	O
have	O
a	O
suitability	O
map	O
,	O
GeoMod	B-Application
can	O
create	O
one	O
using	O
one	O
or	O
more	O
driver	O
images	O
.	O
</s>
<s>
GeoMod	B-Application
can	O
separate	O
the	O
analysis	O
into	O
strata	O
,	O
such	O
as	O
political	O
units	O
,	O
and	O
then	O
simulate	O
change	O
independently	O
within	O
each	O
stratum	O
.	O
</s>
<s>
If	O
the	O
quantity	O
of	O
change	O
from	O
time	O
1	O
to	O
time	O
2	O
indicates	O
a	O
net	O
gain	O
of	O
category	O
2	O
in	O
a	O
particular	O
stratum	O
,	O
then	O
GeoMod	B-Application
assumes	O
zero	O
gross	O
loss	O
of	O
category	O
2	O
during	O
the	O
simulation	O
,	O
meaning	O
GeoMod	B-Application
does	O
not	O
simulate	O
simultaneous	O
gain	O
and	O
loss	O
of	O
an	O
individual	O
category	O
within	O
an	O
individual	O
stratum	O
.	O
</s>
<s>
GeoMod	B-Application
allocates	O
change	O
based	O
on	O
several	O
user-defined	O
decision	O
rules	O
,	O
which	O
are	O
discussed	O
in	O
section	O
3	O
.	O
</s>
<s>
GeoMod	B-Application
can	O
simulate	O
land	O
change	O
in	O
some	O
strata	O
from	O
category	O
1	O
to	O
category	O
2	O
,	O
and	O
in	O
other	O
strata	O
from	O
category	O
2	O
to	O
category	O
1	O
.	O
</s>
<s>
GeoMod	B-Application
can	O
also	O
analyze	O
the	O
environmental	O
impact	O
on	O
the	O
pixels	O
that	O
undergo	O
change	O
within	O
a	O
specified	O
time	O
interval	O
.	O
</s>
<s>
GeoMod	B-Application
can	O
geographically	O
limit	O
the	O
simulated	O
change	O
to	O
pixels	O
that	O
are	O
on	O
the	O
edge	O
between	O
category	O
1	O
and	O
category	O
2	O
.	O
</s>
<s>
When	O
simulating	O
the	O
transition	O
from	O
category	O
1	O
to	O
category	O
2	O
,	O
GeoMod	B-Application
simulates	O
change	O
from	O
the	O
category	O
1	O
pixels	O
that	O
have	O
the	O
largest	O
suitability	O
values	O
.	O
</s>
<s>
Terrset	B-Application
has	O
a	O
module	O
called	O
ROC	O
,	O
which	O
can	O
assist	O
in	O
the	O
selection	O
thresholds	O
for	O
the	O
TOC	O
.	O
</s>
<s>
Geomod	B-Application
can	O
be	O
used	O
to	O
model	O
land	O
change	O
in	O
forest	O
cover	O
to	O
assess	O
the	O
potential	O
for	O
future	O
REDD+	O
projects	O
.	O
</s>
<s>
While	O
typically	O
used	O
to	O
simulate	O
land	O
change	O
,	O
Geomod	B-Application
can	O
also	O
be	O
used	O
to	O
produce	O
suitability	O
maps	O
for	O
invasive	O
species	O
distribution	O
.	O
</s>
