Surface coating effects in remote sensing measurements
Journal of Geophysical Research
By: Robert D. Watson
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Abstract
Measurements of the infrared spectra of a liquid-(water) coated quartz substrate and a solid-(pyrophyllite) coated quartzite are compared to theoretical values. Results demonstrate that in the case of the water-coated quartz, a loss in spectral contrast of the quartz emission occurs at the principal restrahlen wavelengths of 8.5, 9.0, and 12.5 µ but is most pronounced at 12.5 µ. In the case of pyrophyllite-coated quartzite, additional spectral features appear between 8.0 and 10.0 µ as the exposure of quartzite through the pyrophyllite coating is increased. Addition of the pure quartzite and pyrophyllite spectra, weighted by exposed area, is shown to satisfactorily describe the composite spectra.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Surface coating effects in remote sensing measurements |
| Series title | Journal of Geophysical Research |
| DOI | 10.1029/JB075i002p00480 |
| Volume | 75 |
| Issue | 2 |
| Year Published | 1970 |
| Language | English |
| Publisher | American Geophysical Union |
| Publisher location | Richmond, VA |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 5 p. |
| First page | 480 |
| Last page | 484 |
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