There are no author-identified significant results in this report

Esparza, F.

Hannah, J. W.

Millard, J. J.

Thomas, G. L.

English

NASA Technical Reports Server

LANDSAT planning applications in east central Florida

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Produced by the NASA Center for Aerospace Information (CASI) 
https://ntrs.nasa.gov/search.jsp?R=19770005531 2020-03-22T12:32:51+00:00Z
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''Made available dndcr NASA s{wnsorshio
in the interest of early and wide O ils-
semination of Earth Resources Survey
`Program information and without WNW
'kt irk use made 4hereet.'' LANDSAT PROGRESS REPORT
FOR THE PERIOD 12 MAY TO 11 AUGUST, 1976
7.7 - 1 0.0.4 4 .
FIN
PLANNING APPLICATIONS IN EAST CENTRAL FLORIDA
CONTRACT NO. NAS5-20907
BREVARD COUNTY PLANNING DEPARTMENT
REPORT NO. BCPD L2-6
I
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N O V 1) 2L.1975
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TLANDSAT PROGRESS REPORT
FOR THE PERIOD 12 MAY TO 11 AUGUST; 1976
PLANNING APPLICATIONS IN EAST CENTRAL FLORIDA
CONTRACT NO. NAS5-20907
Principal Investigator: John W. Hannah*
Co-Investigators: Dr. Garland L. Thomas*
Fernando Esparza**
Computer Programming: James J. Millard**
REPORT NO. BCPD L2-6
*	 Brevard County Planning Department
**	 NASA, Kennedy Space Center
I
A. PROBLEMS
No unanticipated problems are impeding the progress of the investigation.
d. ALC04PLISHMENTS
Land use mapping of Orange County has continued,with the urban area of
metropolitan Urlando being mapped during this period. The procedure used has
been described in earlier progress reports.I
Tracings of the computer classification maps of approximately the four
quadrants of Orlando are shown in Figures 1-4. Corrections are shown in Figures
5-8, with the new classification shown outside the parenthesis and the original
classification inside the parenthesis. The corrected maps, with traffic zones,
are shown in Figures 9-12.
Some differences between the classification schemes of the original and
final maps may be noted:
(1) The final map was made for a specific purpose: a land use inventory
for transportation planning. The users were not interested in the distinc-
tion between wooded and non-wooded residential classes; hence, that distinc-
tion was omitted in the final version.
(L) No attempt was made to separate industrial from commercial in the
computer classification. The two were mapped as a single class, and the
separation was made by the county planner by utilizing his local knowledge
and referring to standard aircraft photography (Real Estate Atlas) available
in the Planning Department.
(3) Sectors on the outskirts of the city which had been designated as
agricultural were called undeveloped urban by the county planner - a matter
of semantics.
y
1 Landsat Progress Report for the period 12 February to 11 May 1976, BCPD L2-5.
t52
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Figure 1
LANDSAT MAP
NOKTHA."iT ORLAdDO
Scale ti 1/48,000
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Figure 2
LANDSAT MAP
NORTHEAST ORLANDO
>!^t`_l' rt	 Scale ti 1/48,000
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Figure 3
LANDSAT MAP
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Scale ti 1/48,000
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Figure 4
LAAUSAT MAP
SOUTHEAST ORLANDO
Scale ,, 114ts.000
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Figure 5
CORRECTIONS
NORTHWEST ORLANDO
Scala^- 1/48,000
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Figure 6
CORRECTIONS
NORTHEAST ORLANDO
Scale ti 1/48,000
19
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Figure 7
CORRECTIONS
SOUTHWEST ORLANDO
Scale ti 1/48,000
	.	
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Figure 8
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CORRECTIONS
SOUTHEAST ORLANDO
Scale -. 1/48^000
fl. lsrhv
REPRODUCEILITI C,-,
'NAL IP H 	 1S 1'
-10-
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Figure 9
CORRECTED MAP
NORTHWEST ORLANDO
Scale ti 1/48,000
-11-
-.)OTJT FRAME
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Figure lU
CORRECTED MAP
SOUTHEAST URLANUO
Scale ti 1/48,000
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Figure 11
CORRECTED MAP
SOUTHWEST ORLANDO
Scale ,,. 1/48,000
v
5-20
5-Z
5-2	 5-7
1-1
5-2	 2-20	 1-9	 1-9
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Figure 12
rORRECTED MAP
NORTHEAST ORLANDO
Scale ,, 1/48,000
Some local knowledge was used in making the original map, for example, in
identifying an institutional area (Navy Training Center) and in locating the
boundaries of the airports.
Tabulations of the various areas and the errors for the four sectors com-
bined are given in Table 1. Tabulation of the accuracy figures is made in such
a way that a given small area on the map has the indicated probability of being
correct as shown by the map.
The following features represent changes which were not counted as errors
in the tabulations for Table 1:
(1) New construction2
 which appeared as commercial/industrial;
(2) bare sand2
 (non-landscaped), sectors which appeared as commercial/indus-
trial;
(3) Extraction sectors which appeared as commercial/industrial;
(4) Parks2
 which appeared as non-wooded residential and as open urban;
(5) Mobile home parks2
 which appeared as commercial/industrial and as
non-wooded residential;
(6) Transportation features (terminal and ;)-iilt-up sectors of airports)
which were classified as commercial industrial; and
(7) Features which appeared after the date of the Landsat pass.
If one disregards the distinction between wooded and non-wooded classes in
tabulating errors, the overall accuracy increases from 88% to 89%.
It will be noted that Figure 7 shows a significant error area shown by a different
pattern and identified as citrus. A significant amount of citrus was not expected
in that portion of the map, and a citrus class was not sought. Hence, the error
is human rather than system. The figures of Table 1 do not include this as error.
2Not included as a class in the computer classification.
TABLE 1
Class
Area Prior
To Correction
Hectares
Incorrect
Hectares
Accuracy
Per Cent
la Wooded Residential 10,150 1,845 82
to Non-wooded Residential 12,055 1,193 89
lc dare Sandi 28
2	 Commercial/Industrial 3,015 83 97
1-11 New Construction3 46 3 93
14 Extraction3 7
15 Transportation 202
19 Upen Urban 4 7,709 1,242 84
'lc Pasture 1,404 426 70
Z2a Citrus 105 11 90
Forest (exclusive of 43a) 4,734 400 92
43a Pine and Palmetto 300 12 96
52 Lakes 3,041 - 100
bl Marsh 370 - 100
TOTALS 43,171 5,215 88L
3 8ased on local knowledge
4Sectors classified as 2 on the original map are here included in 19
-15-
If it is included, the overall accuracy figure decreases from 38 p to 85%. This
sector of the map could have been improved by a new classification after discovery
of this error, but a deadline for use of the data- as discussed below- did not
permit making a new classification.
The urange County Planning Department has under way a program to develop a
computer-stored land use inventory of the county, with the information obtained
by direct observation of individual parcels. That tabulation,then,will be more
detailed than Landsat-obtained information and also will contain economic and
political information which Landsat cannot provide. Since there was an immediate
need for a land use inventory to meet transportation planning requirements and
since the direct-observation tabulation was not yet complete, Landsat-obtained
information was called upon to fill in the incompleted sectors. This turned
out to be the metropolitan Orlando region, approximately the region described in
this report. This region amounted to M/0' of the area of the county but approximately
half of the traffic zones, as the traffic zones are smaller in urban regions. The
region for whicn Landsat results were used is shown by Figure 13, which is taken
frow the planners' report.5
When the figures of Table 1 are combined with previously-obtained resultsl,
the cumulative results given in Table 2 are obtained.
k and use data for OUATS Sketch Planning Process, Orange County Planning Depart-
ment, July 1976.
-16-
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TABLE 2
Area Prior to
Class Correction Incorrect Accuracy
Hectares Per CentHectares Acres
Ila Wooded Residential 10,150 25,070 1,845 82
llb ton-wooded Residential 12,055 29,776 1,193 89
llc Rural Residential 2 5
Ile Bare Sand 28 69
lld Mobile Home Park 11 27
12 Commercial/Industrial 3,015 7,447 97
14 Extraction 22 54
15 Transportation 202 499
19 Upen Urban 7,709 19,041 1,242 84
1-11 iiew Lunstruction 46 114 3
21a Vegetable Farming 4,325 11,918 99 98
12c Pasture 4,414 10,903 926 79
12a Citrus6 15,142 37,401 4,286 72
4 Forest (exclusive of 43a) 12,107 29,904 572 95
43a Pine and Palmetto 300 741 12 96
52 Lakes 13,161 32,508 - 100
61 Marsh 1,134 2,801 124 89
TOTALS 84,323 208,278 10,302 88
b Uoes not include the citrus shown in Figure 7 and discussed on page .
-18-
C.	 SIGNIFICANT RESULTS
None
U.	 PUBLICATIONS
None
E.	 RECOMMENDATIONS
None
r'
--	 -19-
ACKNOWLEDGMENTS
Greg Adkins, of the Orange County Planning Department, is an active
collaborator in the Orange County work. He helps with training sample
selection, helps check the computer-based maps against photography, makes
the final versions of the maps, and makes the planimeter measurements.
.W..
-20-
APPENDIX
i
LANU-USE CATEGORIES:
Level 1
1. Urban and built-up land
2. agricultural land
3. Rangeland
U4. Forest land
05. Water
06. Nonforested wetland
U7. barren land
Level 2
01. Residential
a. Wooded residential
b. Non-wooded residential
c. Rural residential
d. Mobile-home parks
e. Bare sand (non-landscaped)
02. Commercial and services
03. Industrial
04. Extraction
a. Phosphate mines
b. Reclaimed phosphate mines
c. Clay mining
05. Transportation
07. Strip
9. Open
10. Institutional & recreational
11. New construction
01. Cropland and pasture
a. Muck farms (vegetable)
b. Vegetable farming
c. Pasture
02. Groves
a. Primarily citrus
03. dare sand in agricultural sector
O1. Grass
O1. Deciduous
a. Cypress
b. Hardwoods
2. Evergreen (pine)
3. Mixed
a. Pine and palmetto
1. Streams and waterways
2. Lakes
3. Other (Gulf of Mexico)
1. Vegetated
2. Bare
3. Sand other than beaches
r• 7


LANDSAT planning applications in east central Florida

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