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The visual air quality predicted by conventional and scanning teleradiometers and an integrating nephelometer

Abstract

Many Class I areas have unique vistas which require an observer to look over complex terrain containing basins, valleys, and canyons. These topographic features tend to form pollution ''basins'' and ''corridors'' that trap and funnel air pollutants under certain meteorological conditions. For example, on numerous days, layers of haze in the San Juan River Basin obscure various vista elements including the Chuska Mountains as viewed from Mesa Verde National Park, CO. Measrements by an integrating nephelometer and conventional teleradiometer at one location in Mesa Verde do not quantify inhomogeneities. In this paper, data from these instruments are compated to data derived from scanning teleradiometer measurements of photographic slide images. The slides, surrogates of the real three-dimensional scene, were projected and scanned to determine relative sky and vista radiance at 40 points within a vertical slice of the vista. Comparison of the corresponding visual range data sets for each instrument for September and December 1979 demonstrates the utility of the scanning teleradiometer.
Authors:
Malm, W; [1]  Pitchford, A; Tree, R; Walther, E; Pearson, M; Archer, S
  1. U.S. Environmental Protection Agency, Las Vegas, NV
Publication Date:
Dec 01, 1981
Product Type:
Journal Article
Reference Number:
EDB-82-072997
Resource Relation:
Journal Name: Atmos. Environ.; (United Kingdom); Journal Volume: 15:12
Subject:
54 ENVIRONMENTAL SCIENCES; 47 OTHER INSTRUMENTATION; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; AIR POLLUTION; MONITORING; AIR QUALITY; FORECASTING; PHOTOMETERS; COMPARATIVE EVALUATIONS; RADIOMETERS; COLORADO; RADIO TELESCOPES; TOPOGRAPHY; ANTENNAS; ELECTRICAL EQUIPMENT; ELECTRONIC EQUIPMENT; ENVIRONMENTAL QUALITY; EQUIPMENT; MEASURING INSTRUMENTS; NORTH AMERICA; POLLUTION; RADIATION DETECTORS; RADIO EQUIPMENT; ROCKY MOUNTAIN REGION; TELESCOPES; USA; 500200* - Environment, Atmospheric- Chemicals Monitoring & Transport- (-1989); 440300 - Miscellaneous Instruments- (-1989); 440100 - Radiation Instrumentation
OSTI ID:
5675849
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: ATENB
Submitting Site:
SAI
Size:
Pages: 2547-2554
Announcement Date:
Apr 01, 1982

Citation Formats

Malm, W, Pitchford, A, Tree, R, Walther, E, Pearson, M, and Archer, S. The visual air quality predicted by conventional and scanning teleradiometers and an integrating nephelometer. United Kingdom: N. p., 1981. Web. doi:10.1016/0004-6981(81)90070-6.
Malm, W, Pitchford, A, Tree, R, Walther, E, Pearson, M, & Archer, S. The visual air quality predicted by conventional and scanning teleradiometers and an integrating nephelometer. United Kingdom. https://doi.org/10.1016/0004-6981(81)90070-6
Malm, W, Pitchford, A, Tree, R, Walther, E, Pearson, M, and Archer, S. 1981. "The visual air quality predicted by conventional and scanning teleradiometers and an integrating nephelometer." United Kingdom. https://doi.org/10.1016/0004-6981(81)90070-6.
@misc{etde_5675849,
title = {The visual air quality predicted by conventional and scanning teleradiometers and an integrating nephelometer}
author = {Malm, W, Pitchford, A, Tree, R, Walther, E, Pearson, M, and Archer, S}
abstractNote = {Many Class I areas have unique vistas which require an observer to look over complex terrain containing basins, valleys, and canyons. These topographic features tend to form pollution ''basins'' and ''corridors'' that trap and funnel air pollutants under certain meteorological conditions. For example, on numerous days, layers of haze in the San Juan River Basin obscure various vista elements including the Chuska Mountains as viewed from Mesa Verde National Park, CO. Measrements by an integrating nephelometer and conventional teleradiometer at one location in Mesa Verde do not quantify inhomogeneities. In this paper, data from these instruments are compated to data derived from scanning teleradiometer measurements of photographic slide images. The slides, surrogates of the real three-dimensional scene, were projected and scanned to determine relative sky and vista radiance at 40 points within a vertical slice of the vista. Comparison of the corresponding visual range data sets for each instrument for September and December 1979 demonstrates the utility of the scanning teleradiometer.}
doi = {10.1016/0004-6981(81)90070-6}
journal = []
volume = {15:12}
journal type = {AC}
place = {United Kingdom}
year = {1981}
month = {Dec}
}