TABLE I. ACREAGE SUMMARY FOR THE STUDY AREA USING 
LAND COVER 
TYPE 
MAGI PRIMARY AND 
1978 MAGI DATA 
4.6 ACRES/CELL 
LEVEL ACREAGE % TOTAL 
SECONDARY LAND 
1978 LANDSAT DATA 
1.54 ACRES/CELL 
ACREAGE % TOTAL 
USE DATA 
DISCREPANCY 
BETWEEN SURVEYS 
ACRES % ERROR 
FOREST 
P' +S' 
34681 
46.6 
34235 
46.0 
-446 
-1.3 
P' 
32068 
43.1 
+ 2167 
+ 6.8 
P 
32633 
43.9 
+ 1602 
+ 4.9 
CROP/PASTURE 
P' + S' 
10522 
14.1 
10496 
14.1 
-26 
-.2 
P' 
11552 
15.5 
-1056 
-9.1 
P 
11678 
15.7 
+ 1182 
-10.1 
WATER 
P' +S' 
79 
0.1 
81 
0.1 
+ 2 
+ 2.5 
P' 
166 
0.2 
-85 
-51.2 
P 
197 
0.3 
-116 
-58.9 
TRANSITIONAL 
P' + S' 
1571 
2.1 
1044 
1.4 
-527 
-33.5 
P' 
1626 
2.2 
-582 
35.8 
P 
1547 
2.1 
-503 
-32.5 
COMMERCIAL/ 
P' +S' 
11893 
16.0 
8349 
11.2 
-3544 
-29.8 
INDUSTRIAL/ 
P' 
14499 
19.5 
-6150 
-42.4 
INSTITUTIONAL 
P 
13477 
18.1 
-5128 
-38.1 
MED. DENSITY 
P' +S' 
11256 
15.1 
11568 
15.6 
+ 312 
+ 2.8 
RESIDENTIAL 
P' 
10778 
14.5 
+ 790 
+ 7.3 
p 
10968 
14.7 
+ 600 
+ 5.5 
LOW DENSITY 
P' + S' 
4362 
5.9 
8591 
11.5 
+ 4229 
+ 97.0 
RESIDENTIAL 
P' 
3675 
4.9 
+ 4916 
+133.8 
p 
3864 
5.2 
+ 4727 
+ 122.3 
TOTAL 
74,364 
100.0 
74,364 
100.0 
NOTE: THE FIRST ROW OF FIGURES IP' + S') FOR EACH LAND COVER TYPE INCLUDE MAGI ADJUSTED PRIMARY AND SECONDARY 
LAND USE. THE SECOND ROW GIVES THE MAGI ADJUSTED PRIMARY IP') LAND USE FIGURES. THE THIRD ROW PRESENTS 
THE MAGI UNADJUSTED PRIMARY (P) LAND USE, ASSUMED TO BE 100 PERCENT/CELL 
TABLE II. ACREAGE SUMMARY FOR THE RESTRICTED STUDY SUBAREA 
LAND COVER 
TYPE 
MAGI 
LEVEL 
1978 MAGI DATA* 
4.6 ACRES/CELL 
ACREAGE % TOTAL 
1978 LANDSAT DATA 
1.54 ACRES/CELL 
ACREAGE % TOTAL 
DISCREPANCY 
BETWEEN SURVEYS 
ACRES % ERROR 
FOREST 
P' +S' 
31911 
50.7 
31739 
50.4 
-172 
-.5 
P 
31011 
49.2 
+ 728 
+ 2.3 
CROP/PASTURE 
P' +S' 
9546 
15.2 
9695 
15.4 
+ 149 
+ 1.6 
p 
10931 
17.4 
-1236 
-11.3 
WATER 
P' +S' 
79 
0.1 
81 
0.1 
+ 2 
+ 2.5 
p 
158 
0.2 
-66 
-41.7 
TRANSITIONAL 
P' +S' 
1231 
2.0 
1044 
1.7 
-187 
-15.2 
p 
1463 
2.0 
-419 
-28.6 
COMMERCIAL/ 
P' +S' 
5322 
8.4 
4891 
7.8 
-431 
-8.1 
INDUSTRIAL/ 
INSTITUTIONAL 
7.5 
-591 
-10.8 
MED. DENSITY 
P' +S' 
10749 
17.1 
11568 
18.4 
+ 819 
+ 7.6 
RESIDENTIAL 
13.7 
+ 1296 
+ 12.6 
LOW DENSITY 
P' +S' 
4146 
6.5 
3966 
6.3 
-180 
4.3 
RESIDENTIAL 
1.7 
+ 299 
+ 8.2 
TOTAL 
62,984 
100.0 
62,984 
100.4 
•NOTE THE MAGI (DSP PHOTOINTERPRETED) DATA ARE TAKEN AS THE STANDARD 
TABLE III: CORRESPONDENCE OF ERROR RATES BETWEEN LANDSAT AND MAGI DATA 
INCREASING COMPLEXITY- 
WHOLE AREA 
RESTRICTED AREA 
FOREST 
CROP/PASTURE 
WATER 
TRANSITIONAL 
Cll 
MDR 
LDR 
(-15.2)