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The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers
Concern over stratospheric ozone depletion has prompted several government agencies in North America to establish networks of spectroradiometers for monitoring solar ultraviolet irradiance at the surface of the Earth. To assess the ability of spectroradiometers to accurately measure solar ultraviole...
Autores principales: | , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
[Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology
1998
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4889314/ https://www.ncbi.nlm.nih.gov/pubmed/28009358 http://dx.doi.org/10.6028/jres.103.028 |
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author | Early, Edward Thompson, Ambler Johnson, Carol DeLuisi, John Disterhoft, Patrick Wardle, David Wu, Edmund Mou, Wanfeng Ehramjian, James Tusson, John Mestechkina, Tanya Beaubian, Mark Gibson, James Hayes, Douglass |
author_facet | Early, Edward Thompson, Ambler Johnson, Carol DeLuisi, John Disterhoft, Patrick Wardle, David Wu, Edmund Mou, Wanfeng Ehramjian, James Tusson, John Mestechkina, Tanya Beaubian, Mark Gibson, James Hayes, Douglass |
author_sort | Early, Edward |
collection | PubMed |
description | Concern over stratospheric ozone depletion has prompted several government agencies in North America to establish networks of spectroradiometers for monitoring solar ultraviolet irradiance at the surface of the Earth. To assess the ability of spectroradiometers to accurately measure solar ultraviolet irradiance, and to compare the results between instruments of different monitoring networks, the third North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers was held June 17–25, 1996 at Table Mountain outside Boulder, Colorado, USA. This Intercomparison was coordinated by the National Institute of Standards and Technology (NIST) and the National Oceanic and Atmospheric Administration (NOAA). Participating agencies were the Environmental Protection Agency; the National Science Foundation; the Smithsonian Environmental Research Center; the Department of Agriculture; and the Atmospheric Environment Service, Canada. The spectral irradiances of participants’ calibrated standard lamps were measured at NIST prior to the Intercomparison. The spectral irradiance scales used by the participants agreed with the NIST scale within the combined uncertainties, and for all lamps the spectral irradiance in the horizontal position was lower than that in the vertical position. Instruments were characterized for wavelength uncertainty, bandwidth, stray-light rejection, and spectral irradiance responsivity, the latter with NIST standard lamps operating in specially designed field calibration units. The spectral irradiance responsivity demonstrated instabilities for some instruments. Synchronized spectral scans of the solar irradiance were performed over several days. Using the spectral irradiance responsivities determined with the NIST standard lamps, the measured solar irradiances had some unexplained systematic differences between instruments. |
format | Online Article Text |
id | pubmed-4889314 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1998 |
publisher | [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology |
record_format | MEDLINE/PubMed |
spelling | pubmed-48893142016-12-22 The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers Early, Edward Thompson, Ambler Johnson, Carol DeLuisi, John Disterhoft, Patrick Wardle, David Wu, Edmund Mou, Wanfeng Ehramjian, James Tusson, John Mestechkina, Tanya Beaubian, Mark Gibson, James Hayes, Douglass J Res Natl Inst Stand Technol Article Concern over stratospheric ozone depletion has prompted several government agencies in North America to establish networks of spectroradiometers for monitoring solar ultraviolet irradiance at the surface of the Earth. To assess the ability of spectroradiometers to accurately measure solar ultraviolet irradiance, and to compare the results between instruments of different monitoring networks, the third North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers was held June 17–25, 1996 at Table Mountain outside Boulder, Colorado, USA. This Intercomparison was coordinated by the National Institute of Standards and Technology (NIST) and the National Oceanic and Atmospheric Administration (NOAA). Participating agencies were the Environmental Protection Agency; the National Science Foundation; the Smithsonian Environmental Research Center; the Department of Agriculture; and the Atmospheric Environment Service, Canada. The spectral irradiances of participants’ calibrated standard lamps were measured at NIST prior to the Intercomparison. The spectral irradiance scales used by the participants agreed with the NIST scale within the combined uncertainties, and for all lamps the spectral irradiance in the horizontal position was lower than that in the vertical position. Instruments were characterized for wavelength uncertainty, bandwidth, stray-light rejection, and spectral irradiance responsivity, the latter with NIST standard lamps operating in specially designed field calibration units. The spectral irradiance responsivity demonstrated instabilities for some instruments. Synchronized spectral scans of the solar irradiance were performed over several days. Using the spectral irradiance responsivities determined with the NIST standard lamps, the measured solar irradiances had some unexplained systematic differences between instruments. [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology 1998 1998-10-01 /pmc/articles/PMC4889314/ /pubmed/28009358 http://dx.doi.org/10.6028/jres.103.028 Text en https://creativecommons.org/publicdomain/zero/1.0/ The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright. |
spellingShingle | Article Early, Edward Thompson, Ambler Johnson, Carol DeLuisi, John Disterhoft, Patrick Wardle, David Wu, Edmund Mou, Wanfeng Ehramjian, James Tusson, John Mestechkina, Tanya Beaubian, Mark Gibson, James Hayes, Douglass The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers |
title | The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers |
title_full | The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers |
title_fullStr | The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers |
title_full_unstemmed | The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers |
title_short | The 1996 North American Interagency Intercomparison of Ultraviolet Monitoring Spectroradiometers |
title_sort | 1996 north american interagency intercomparison of ultraviolet monitoring spectroradiometers |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4889314/ https://www.ncbi.nlm.nih.gov/pubmed/28009358 http://dx.doi.org/10.6028/jres.103.028 |
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