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Journal of Applied Remote Sensing

2003 North American interagency intercomparison of ultraviolet spectroradiometers: scanning and spectrograph instruments
Author(s): Kathleen O. Lantz; Patrick Disterhoft; James R. Slusser; Wei Gao; Jerry L. Berndt; Germar Bernhard; Sarah Bloms; Charles Rockwell Booth; James C. Ehramjian; Lee C. Harrison; George T. Janson; Paul Johnston; Peter W. Kiedron; Richard L. McKenzie; Michael G. Kimlin; Patrick J. Neale; Michael O'Neill; Vi V. Quang; Gunther J. Seckmeyer; Thomas Taylor; Sigrid Wuttke; Joseph J. Michalsky
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Paper Abstract

The fifth North American Intercomparison of Ultraviolet Monitoring Spectroradiometers was held June 13 to 21, 2003 at Table Mountain outside of Boulder, Colorado, USA. The main purpose of the Intercomparison was to assess the ability of spectroradiometers to accurately measure solar ultraviolet irradiance, and to compare the results between instruments of different monitoring networks. This Intercomparison was coordinated by NOAA and included participants from six national and international agencies. The UV measuring instruments included scanning spectroradiometers, spectrographs, and multi-filter radiometers. Synchronized spectral scans of the solar irradiance were performed between June 16 and 20, 2003. The spectral responsivities were determined for each instrument using the participants' lamps and calibration procedures and with NOAA/CUCF standard lamps. This paper covers the scanning spectroradiometers and the one spectrograph. The solar irradiance measurements from the different instruments were deconvolved using a high resolution extraterrestrial solar irradiance and reconvolved with a 1-nm triangular band-pass to account for differences in the bandwidths of the instruments. The measured solar irradiance from the spectroradiometers using the rivmSHIC algorithm on a clear-sky day on DOY 172 at 17.0 UTC (SZA = 30°) had a relative 1-σ standard deviation of +/-2.6 to 3.4% for 300- to 360-nm using the participants' calibration.

Paper Details

Date Published: 1 November 2008
PDF: 33 pages
J. Appl. Rem. Sens. 2(1) 023547 doi: 10.1117/1.3040299
Published in: Journal of Applied Remote Sensing Volume 2, Issue 1
Show Author Affiliations
Kathleen O. Lantz, National Oceanic and Atmospheric Administration (United States)
Patrick Disterhoft, National Oceanic and Atmospheric Administration (United States)
James R. Slusser, Colorado State Univ. (United States)
Wei Gao, Colorado State Univ. (United States)
Jerry L. Berndt, Univ. at Albany (United States)
Germar Bernhard, Biospherical Instruments Inc. (United States)
Sarah Bloms, National Oceanic and Atmospheric Administration (United States)
Charles Rockwell Booth, Biospherical Instruments Inc. (United States)
James C. Ehramjian, Biospherical Instruments Inc. (United States)
Lee C. Harrison, Univ. at Albany (United States)
George T. Janson, Colorado State Univ. (United States)
Paul Johnston, National Institute of Water & Atmospheric Research (New Zealand)
Peter W. Kiedron, Univ. at Albany (United States)
Richard L. McKenzie, National Institute of Water & Atmospheric Research (New Zealand)
Michael G. Kimlin, Queensland Univ. of Technology (Australia)
Patrick J. Neale, Smithsonian Environmental Research Center (United States)
Michael O'Neill, National Oceanic and Atmospheric Administration (United States)
Vi V. Quang, Biospherical Instruments Inc. (United States)
Gunther J. Seckmeyer, Univ. Hannover (Germany)
Thomas Taylor, Univ. of Georgia (United States)
Sigrid Wuttke, Univ. Hannover (Germany)
Joseph J. Michalsky, National Oceanic and Atmospheric Administration (United States)

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