<s>
A	O
geodesic	B-Application
grid	I-Application
is	O
a	O
spatial	O
grid	O
based	O
on	O
a	O
geodesic	O
polyhedron	O
or	O
Goldberg	O
polyhedron	O
.	O
</s>
<s>
The	O
earliest	O
use	O
of	O
the	O
(	O
icosahedral	O
)	O
geodesic	B-Application
grid	I-Application
in	O
geophysical	O
modeling	O
dates	O
back	O
to	O
1968	O
and	O
the	O
work	O
by	O
Sadourny	O
,	O
Arakawa	O
,	O
and	O
Mintz	O
and	O
Williamson	O
.	O
</s>
<s>
A	O
geodesic	B-Application
grid	I-Application
is	O
a	O
global	O
Earth	O
reference	O
that	O
uses	O
triangular	O
tiles	O
based	O
on	O
the	O
subdivision	O
of	O
a	O
polyhedron	O
(	O
usually	O
the	O
icosahedron	O
,	O
and	O
usually	O
a	O
Class	O
I	O
subdivision	O
)	O
to	O
subdivide	O
the	O
surface	O
of	O
the	O
Earth	O
.	O
</s>
<s>
Geodesic	B-Application
grids	I-Application
may	O
use	O
the	O
dual	O
polyhedron	O
of	O
the	O
geodesic	O
polyhedron	O
,	O
which	O
is	O
the	O
Goldberg	O
polyhedron	O
.	O
</s>
<s>
In	O
biodiversity	O
science	O
,	O
geodesic	B-Application
grids	I-Application
are	O
a	O
global	O
extension	O
of	O
local	O
discrete	O
grids	O
that	O
are	O
staked	O
out	O
in	O
field	O
studies	O
to	O
ensure	O
appropriate	O
statistical	O
sampling	O
and	O
larger	O
multi-use	O
grids	O
deployed	O
at	O
regional	O
and	O
national	O
levels	O
to	O
develop	O
an	O
aggregated	O
understanding	O
of	O
biodiversity	O
.	O
</s>
<s>
A	O
geodesic	B-Application
grid	I-Application
allows	O
local	O
to	O
global	O
assimilation	O
of	O
ecologically	O
significant	O
information	O
at	O
its	O
own	O
level	O
of	O
granularity	O
.	O
</s>
<s>
Some	O
of	O
these	O
numerical	B-General_Concept
analysis	I-General_Concept
techniques	O
(	O
such	O
as	O
finite	B-Algorithm
differences	I-Algorithm
)	O
require	O
the	O
area	O
of	O
interest	O
to	O
be	O
subdivided	O
into	O
a	O
grid	O
—	O
in	O
this	O
case	O
,	O
over	O
the	O
shape	O
of	O
the	O
Earth	O
.	O
</s>
<s>
Geodesic	B-Application
grids	I-Application
can	O
be	O
used	O
in	O
video	O
game	O
development	O
to	O
model	O
fictional	O
worlds	O
instead	O
of	O
the	O
Earth	O
.	O
</s>
<s>
Does	O
not	O
result	O
in	O
dense	O
linear	O
systems	O
like	O
spectral	B-Algorithm
methods	I-Algorithm
do	O
(	O
see	O
also	O
Gaussian	O
grid	O
)	O
.	O
</s>
