Physics
Scientific paper
Feb 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996georl..23..355d&link_type=abstract
Geophysical Research Letters, Volume 23, Issue 4, p. 355-358
Physics
4
Meteorology And Atmospheric Dynamics: Radiative Processes, Global Change: Atmosphere
Scientific paper
A spectroradiometer located at Ushuaia, Tierra del Fuego, Argentina obtained a high quality data set on the solar ultraviolet (UV) spectral irradiance for a full annual cycle during 1992. The unique aspect of the ground-based irradiances is their ability to characterize the effects of cloudiness. Measured irradiances at 340 nm can be used to characterize the attenuation provided by cloudy skies. When irradiances at shorter wavelengths, 302.5-320.0 nm, are adjusted for this attenuation, they show good agreement with radiative transfer calculations which assume clear skies and utilize data from the Total Ozone Mapping Spectrometer (TOMS) as inputs. The differences which exist are qualitatively consistent with the neglect of spherical geometry in the calculated irradiances.
Booth Rocky C.
Diaz Susana B.
Frederick John E.
Lucas Timothy
Smolskaia Irina
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