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Proceedings Paper

Comparisons of USDA UV shadow-band irradiance measurements with TOMS satellite and DISORT model retrievels under all sky conditions
Author(s): James R. Slusser; Nickolay A. Krotkov; Wei Gao; Jay R. Herman; Gordon Labow; Gwen Scott
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Paper Abstract

Comparisons of UV irradiances measured by the USDA UVB Monitoring and Research Network at 305 and 368 nm with retrievals from the NASA TOMS and a multiple scattering radiative transfer code were made for an 18-month period from January 1, 2000 through May 31, 2001 for Las Cruces, New Mexico, USA (32.6 degree(s)N, 106.7 degree(s)W, 1317 m elevation) and Billings, Oklahoma, USA (36.6 degree(s)N, 97.5 degree(s)W, 317 m elevation). Agreement is generally within +/- 12% for all sky conditions and 8% for clear skies. The effects of aerosols is mostly less than 5%, consistent with the measured aerosol optical depths at 368 nm within the range of 0.05 and 0.25.

Paper Details

Date Published: 17 January 2002
PDF: 14 pages
Proc. SPIE 4482, Ultraviolet Ground- and Space-based Measurements, Models, and Effects, (17 January 2002); doi: 10.1117/12.452954
Show Author Affiliations
James R. Slusser, Colorado State Univ./U.S. Dept. of Agriculture (United States)
Nickolay A. Krotkov, Univ. of Maryland/Baltimore County (United States)
Wei Gao, Colorado State Univ./U.S. Dept. of Agriculture (United States)
Jay R. Herman, NASA Goddard Space Flight Ctr. (United States)
Gordon Labow, Science Applications International Corp. (United States)
Gwen Scott, Colorado State Univ./U.S. Dept. of Agriculture Program (United States)


Published in SPIE Proceedings Vol. 4482:
Ultraviolet Ground- and Space-based Measurements, Models, and Effects
James R. Slusser; Jay R. Herman; Wei Gao, Editor(s)

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