There are no author-identified significant results in this report

Bentley, G.

English

NASA Technical Reports Server

General Disclaimer 
One or more of the Following Statements may affect this Document 
 
 This document has been reproduced from the best copy furnished by the 
organizational source. It is being released in the interest of making available as 
much information as possible. 
 
 This document may contain data, which exceeds the sheet parameters. It was 
furnished in this condition by the organizational source and is the best copy 
available. 
 
 This document may contain tone-on-tone or color graphs, charts and/or pictures, 
which have been reproduced in black and white. 
 
 This document is paginated as submitted by the original source. 
 
 Portions of this document are not fully legible due to the historical nature of some 
of the material. However, it is the best reproduction available from the original 
submission. 
 
 
 
 
 
 
 
Produced by the NASA Center for Aerospace Information (CASI) 
https://ntrs.nasa.gov/search.jsp?R=19760006468 2020-03-22T17:22:38+00:00Z
"Mme wab* Wer U9 Wmr3fih 	 9164 (D-350) y
in the iMerest of wry and wide dis-	 '^-
sominatien of Earth Resumes Survey
Program information and without iiabittty
iteceiving Officer
	 for any use made ther"t."Building 16	 ^, 7. 6 — 1 0. 0.6 9
Goddard Space Flight Center	 ►^-^
Greenbelt, Maryland 20771	 y5 71P
Attention: Scientific Investigation Support, Code 902.6
Contract No. NAS-53966A
ERTS Investigation No. 375
Item No. 2, Progress Report
A. Problems
The project is three months behind schedule. I was seriously injured
in a car-motorcycle accident. I was off work for two months and have
only functioned with difficulty for another month. I face another
operation, at least one week in the hospital to rebuild a knee, and
several weeks of recuperation. In addition I have been reassigned to
a new position which requires my full time. I am being allowed
approximately one man month spread over October-January to machine
process and analyze LANDSAT-1 and 2 images on CCTs in Ann Arbor.
However, other necessary efforts must be completed during evenings
and weekends.
B. Accomplishments
During the period from March 1 through May 12 ground truth data was
collected on the Arizona test site. From May 18 through July 29
ground truth data was collected on the Montana test site. All field
data collection has been completed. Some verification trips may be
required to field sites as results are compiled.
Ground truth data consisted of:
1. Selection of three sub sites (3 miles x 3 miles) on each major
test site and location of corners and boundaries on maps,
2. Designating general boundaries for homogeneous plant communities
3. Determining percent ground cover of live vegetation and percent
composition of plants by individual specie's.
4. Measuring forage production.
5. Collection of reflectance data from soils and plants in the four
bands corresponding to LANDSAT data using a Bendix spectrometer.
Deta was collected during overpass of the satellite at times
corresponding to critical stages of plant growth and development
(phenology).	 <.%7- 3 7S o
^f	 R:
SIS i 901.6
W (7 2' M
• mn_J
u+ o M
o 0
^ x ^
n tw ON
a x ^
^N
a re ^
M U1 :]
a.am
to	 A
cn c
^ H x
..a ry
^M
A% rn .4
W u ICJ
f+ C
O ri
h00
a ^ N
^m
rn ro
x
W '^ l7
	
in	 A s.(^ S h •'D
ty P1 r► NN
o n
	
Ln
	
x
	
m	 W.
c^
W
fi
w
	C- 1
 C	 Z
	
O ,7	 v
	
r, n
	
ON
	
O, o-	 1
.o a
	
rn	 w
^r
o,M
A6. The three Montana test sites were photographed in color at a
scale of 1:19,000 and Color Infrared (CIR) at'1:80,000 scale
and blown up to 1:1,050 scale. This data was Wed to assist in
mapping vegetation types.
7. Skylab data has been received from Johnson Space Center but has
not been converted to a usable form because of problems previously
mentioned.
8. Field data has been reduced to a usable form and is being entered
into the computer files.
9. Computer Compatible Tapes (CCTs) for all but the last date
(July 29 in Montana) have been received and are being used to
analyze their usefulness in mapping vegetation.
10. Computer generated gray maps in single bands and ratios of different
bands are just now being prepared and analyzed. Various ratio
possibilities are being tested.
C. Significant Results
None at this stage of the project.
D. Publications
None
E. Recommendations
Data received from the IANDSAT-2 satellite has shown banding problems
and missing data. The EROS Data Center attributes these problems and
others, such as poor image negatives and excessive time for data to be
received by the user, to NASA. These are problems which make the use
of LANDSAT data very difficult. I have recommended and will continue
to recommend, that regional centers be set up with the necessary
equipment to receive data directly from the satellite, put it into
forms requested by users, and disseminate usable data to users. I
have adequately documented the inadequacy of the EROS Data Center to
react to users needs either within acceptable standards of quality or
a reasonable time limit.
F. Total Funds Expended to Date
$28,360,19 through September 30.
-2-
G. Data Used (as of 10-29-75
Account	 Value of
No.	 Data Allowed
23750	 2700
B3750	 1000
I
	
Vs lue	 of
	
Value	 of
Data Ordered
	
Data Received
	
2407	 2407
	
800	 800
H. Air Craft Data
No NASA aircraft used.
Gordon Bentley
Principal Investigator
GB: mg
cc: USDI, Geological Survey
Attn: EROS Program
Mail Stop 160
Reston, Virginia 22092
-3-
y


Ground truth data from Arizona and Montana test sites

Abstract

Similar works

Full text

Available Versions

NASA Technical Reports Server