Near ultraviolet radiation at the earth’s surface: measurements and model comparisons

C. R. Nagaraja Rao; T. Takashima; William A. Bradley; Tae Young Lee

doi:10.3402/tellusb.v36i4.14910

Near ultraviolet radiation at the earth’s surface: measurements and model comparisons

Tellus B: Chemical and Physical Meteorology

Volume 36 (1984): Issue 4

By: C. R. Nagaraja Rao, T. Takashima, William A. Bradley and Tae Young Lee

Open Access

|Jan 1984

Abstract

A 3-year record of simultaneous measurements of daily ultraviolet (≃0.290-0.380 μm) and total global solar (≃ 0.290-2.9μm) irradiations at Corvallis, Oregon, USA (44°34′N, 123° 14′W: 65.5 m) has been analyzed to determine whether any systematic relationship exists between the two. Regression of the ultraviolet (UV) radiation on the total global (G)so lar radiation yields coefficients of determination in excess of 0.980: the mean value of 0.054 (s.d.: 0.008) for the ratio UV/G that we obtain is within the range of values reported by other investigators based on measurements of different record lengths and averaged over different time periods. Comparison of the measured, clear-day noon irradiances with computed values in vertically inhomogeneous turbid atmospheric models with ozone, aerosols and surface albedo as variable parameters, shows agreement between experiment and theory to within ± 10%.

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Articles in this issue

DOI: https://doi.org/10.3402/tellusb.v36i4.14910 | Journal eISSN: 1600-0889

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Language: English

Page range: 286 - 293

Submitted on: Nov 11, 1983

Accepted on: Feb 2, 1984

Published on: Jan 1, 1984

Published by: Stockholm University Press

In partnership with: Paradigm Publishing Services

© 1984 C. R. Nagaraja Rao, T. Takashima, William A. Bradley, Tae Young Lee, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 36 (1984): Issue 4