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Salinity and spectral reflectance of soilsThe basic spectral response related to the salt content of soils in the visible and reflective IR wavelengths is analyzed in order to explore remote sensing applications for monitoring processes of the earth system. The bidirectional reflectance factor (BRF) was determined at 10 nm of increments over the 520-2320-nm spectral range. The effect of salts on reflectance was analyzed on the basis of 162 spectral measurements. MSS and TM bands were simulated within the measured spectral region. A strong relationship was found in variations of reflectance and soil characteristics pertaining to salinization and desalinization. Although the individual MSS bands had high R-squared values and 75-79 percent of soil/treatment combinations were separable, there was a large number of soil/treatment combinations not distinguished by any of the four highly correlated MSS bands under consideration.
Document ID
19920056773
Document Type
Conference Paper
Authors
Szilagyi, A. (NASA Headquarters Washington, DC United States)
Baumgardner, M. F. (Purdue University West Lafayette, IN, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1991
Subject Category
EARTH RESOURCES AND REMOTE SENSING
Meeting Information
1991 ACSM-ASPRS Annual Convention(Baltimore, MD)
Funding Number(s)
CONTRACT_GRANT: NSF INT-87-21949
CONTRACT_GRANT: NAGW-925
Distribution Limits
Public
Copyright
Other