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Proceedings Paper

Terrestrial ultraviolet monitoring spectroradiometer intercomparisons: results and field standard development
Author(s): Edward A. Early; Ambler E. Thompson
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Paper Abstract

Two interagency solar ultraviolet spectroradiometer intercomparisons (September 1994 and June 1995) have been conducted at Table Mountain outside Boulder, Colorado. A third intercomparison is planned for June 1996 at the same location. The intercomparisons were organized by the National Institute of Standards and Technology (NIST) at a field site supported by the National Oceanic and Atmospheric Administration and included participants representing North American agencies currently monitoring solar ultraviolet irradiance. Instruments were characterized at the intercomparisons for wavelength error, bandwidth, and stray- light rejection. All instruments were calibrated for spectral irradiance responsivity by NIST personnel with specially developed quartz-halogen field irradiance standards. Thus, comparisons of synchronized solar irradiance measurements allowed true comparisons between instruments, without the added complication of differences in irradiance scales of the participants. Estimates of differences in individual network propagation of irradiance scales were made separately. In addition, there were extensive concurrent ancillary measurements in an effort to compile a standard data set. We will discuss the results of these experiments and the overall agreement between the participants.

Paper Details

Date Published: 8 November 1996
PDF: 12 pages
Proc. SPIE 2831, Ultraviolet Atmospheric and Space Remote Sensing: Methods and Instrumentation, (8 November 1996); doi: 10.1117/12.257199
Show Author Affiliations
Edward A. Early, National Institute of Standards and Technology (United States)
Ambler E. Thompson, National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 2831:
Ultraviolet Atmospheric and Space Remote Sensing: Methods and Instrumentation
Robert E. Huffman; Christos G. Stergis, Editor(s)

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