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Preliminary Evaluation of TM for Soils InformationThematic mapper data acquired over Mississippi County, Arkansas, were examined for utility in separating soil associations within generally level alluvium deposited by the Mississippi River. The 0.76 to 0.90 micron (Band 4) and the 1.55 to 1.75 micron (Band 5) were found to separate the different soil associations fairly well when compared to the USDA-SCS general soil map. The thermal channel also appeared to provide information at this level. A detailed soil survey was available at the field level along with ground observations of crop type, plant height, percent cover and growth stage. Soils within the fields ranged from uniform to soils that occur as patches of sand that stand out strongly against the intermingled areas of dark soil. Examination of the digital values of individual TM bands at the field level indicates that the influence of the soil is greater in TM than it was in MSS bands. The TM appears to provide greater detail of within field variability caused by soils than MSS and thus should provide improved information relating to crop and soil properties. However, this soil influence may cause crop identification classification procedures to have to account for the soil in their algorithms.
Document ID
19840022358
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Thompson, D. R.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Henderson, K. E.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Houston, A. G.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Pitts, D. E.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
August 12, 2013
Publication Date
July 1, 1984
Publication Information
Publication: NASA. Goddard Space Flight Center LANDSAT-4 Sci. Invest. Summ., Including Dec. 1983 Workshop Results, Vol. 2
Subject Category
Earth Resources And Remote Sensing
Accession Number
84N30427
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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