Bernhard, G.Blumthaler, M.Bodhaine, B.Booth, C.R.Celarier, E.Forster, P.Krotkov, N.Lenoble, J.Leszczynski, K.Long, C.S.Mayer, B.Mims, F.Neale, P.Piacentini, R.Ryan, K.Slaper, H.Slusser, J.Wooldridge, R.Zerefos, C.S.Herman, JayMcKenzie, R.L.Diaz, S.B.Kerr, J.B.Madronich, S.Seckmeyer, G.2023-07-062023-07-06Herman, J. R., S. McKenzie, S. Diaz, J. Kerr, S. Madronich, and G. Seckmeyer, 1999: UV Radiation at the Earth’s Surface, Chapter 9, 1999. UNEP/WMO Scientific Assessment of Ozone Depletion, 1999, edited by D. L. Albritton, R. T. Watson, and P. J. Aucamp. WMO Global Ozone Res. And Monit. Proj., Geneva. https://csl.noaa.gov/assessments/ozone/1998/chapters/chapter9.pdf.http://hdl.handle.net/11603/2843149 pagesen-USThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.Public Domain Mark 1.0http://creativecommons.org/publicdomain/mark/1.0/Ultraviolet Radiation at the Earth's SurfaceText