File:The 1994 North American interagency intercomparison of ultraviolet monitoring spectroradiometers (IA jresv102n3p279).pdf
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[edit]The 1994 North American interagency intercomparison of ultraviolet monitoring spectroradiometers
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Author |
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Title |
The 1994 North American interagency intercomparison of ultraviolet monitoring spectroradiometers |
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Volume | 102 | |
Publisher |
National Institute of Standards and Technology |
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Description |
Journal of Research of the National Institute of Standards and Technology Subjects: spectroradiometers; environmental monitoring; solar ultraviolet |
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Language | English | |
Publication date |
May 1997 publication_date QS:P577,+1997-05-00T00:00:00Z/10 |
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Current location |
IA Collections: NISTJournalofResearch; NISTresearchlibrary; fedlink; americana |
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Accession number |
jresv102n3p279 |
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Source | ||
Permission (Reusing this file) |
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. However, please pay special attention to the individual works to make sure there are no copyright restrictions indicated. Individual works may require securing other permissions from the original copyright holder. |
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Short title | The 1994 North American interagency intercomparison of ultraviolet monitoring spectroradiometers |
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Image title | 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 first North American Intercomparison of Ultraviolet Monitoring Spectroradiometers was held September 19-29, 1994 at Table Mountain outside Boulder, Colorado, USA. This Intercomparison was coordinated by the National Institute of Standards and Technology and the National Oceanic and Atmospheric Administration (NOAA). Participating agencies were the Environmental Protection Agency, National Science Foundation, Smithsonian Environmental Research Center, and Atmospheric Environment Service, Canada. Instruments were characterized for wavelength accuracy, bandwidth, stray-light rejection, and spectral irradiance responsivity, the latter with a NIST standard lamp calibrated to operate in the horizontal position. The spectral irradiance responsivity was determined once indoors and twice outdoors, and demonstrated that, while the responsivities changed upon moving the instruments, they were relatively stable when the instruments remained outdoors. Synchronized spectral scans of the solar irradiance were performed over several days. Using the spectral irradiance responsivities determined with the NIST standard lamp, and a simple convolution technique to account for the different bandwidths of the instruments, the measured solar irradiances agreed within 5%. |
Author | Thompson, A |
Keywords |
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Software used | LuraDocument PDF Compressor Server 5.6.64.44 |
Conversion program | LuraDocument PDF v2.44 |
Encrypted | no |
Page size | 576 x 756 pts |
Version of PDF format | 1.4 |