Environmental Engineering Reference
In-Depth Information
(a)
(b)
(c)
(d)
−
1371
-
−
461
−
211
−
210
-
−
91
−
90
-
−
25
−
460
-
−
Population estimate
more than census
N
Difference of Census 2000 Total Population
and Estimate Total Population
by Blocks
24
-
23
24
-
98
99
-
258
259
-
560
561
-
1522
W
E
S
Population estimate
less than census
0
5
10
Kilometers
20
FIGURE 14.4
Error maps of population estimates by blocks for Gwinnett County: (a) binary method using NLCD 2001;
(b) binary method using LandPro 2001; (c) binary method using 2001 parcel data; (d) N-Class method using Dasymetric
Mapping Extension and NLCD 2001.
Search WWH ::
Custom Search