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Proceedings Paper

Strategy for solar-ultraviolet instrument comparisons
Author(s): Edward A. Early; James Walker; Ambler E. Thompson
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Paper Abstract

Several different monitoring networks using spectroradiometers are being developed to detect changes in the solar ultraviolet irradiance at the surface of the earth due to stratospheric ozone depletion. To ensure the accurate, long-term measurements that are required from these networks, a strategy for instrument intercomparisons is necessary. This involves the characterization of the instrument parameters which affect measurements of solar ultraviolet irradiance, particularly the linearity, wavelength accuracy, irradiance responsivity, slit- scattering function, and cosine response of the instrument. We have developed laboratory techniques for determining each of these parameters and have used them to characterize a specific spectroradiometer. These techniques and results are being used to develop a strategy for a planned field intercomparison of instruments from several monitoring networks.

Paper Details

Date Published: 14 September 1994
PDF: 12 pages
Proc. SPIE 2282, Ultraviolet Technology V, (14 September 1994); doi: 10.1117/12.186620
Show Author Affiliations
Edward A. Early, National Institute of Standards and Technology (United States)
James Walker, National Institute of Standards and Technology (United States)
Ambler E. Thompson, National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 2282:
Ultraviolet Technology V
Robert E. Huffman; Christos G. Stergis, Editor(s)

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