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Proceedings Paper

Use of natural bodies of water for IR calibration targets
Author(s): Robert J. Kurzeja; Malcolm M. Pendergast; Eliel Villa-Aleman; Alfred J. Garrett
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Paper Abstract

Natural bodies of water have several advantages as IR calibration targets in remote sensing. Among these are availability, homogeneity, and accurate knowledge of emissivity. A portable, low-cost, floating apparatus is described for calibration of remote IR sensors to within 0.15 C. The apparatus measures the surface and bulk water temperature as well as the wind speed, direction, temperature, and relative humidity. The apparatus collects data automatically and can be deployed for up to 24 hours. The sources of uncertainty, including the effects of skin temperature and waves are discussed. Data from several field campaigns to calibrate IR bands of DOE's Multi-Spectral Thermal Imager are described along with estimates of error.

Paper Details

Date Published: 18 September 2001
PDF: 7 pages
Proc. SPIE 4370, Targets and Backgrounds VII: Characterization and Representation, (18 September 2001); doi: 10.1117/12.440072
Show Author Affiliations
Robert J. Kurzeja, Savannah River Technology Ctr. (United States)
Malcolm M. Pendergast, SMP Enterprises (United States)
Eliel Villa-Aleman, Savannah River Technology Ctr. (United States)
Alfred J. Garrett, Savannah River Technology Ctr. (United States)

Published in SPIE Proceedings Vol. 4370:
Targets and Backgrounds VII: Characterization and Representation
Wendell R. Watkins; Dieter Clement; William R. Reynolds, Editor(s)

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