@Article{acpd-6-10153-2006, AUTHOR = {Langford, A. O. and Schofield, R. and Daniel, J. S. and Portmann, R. W. and Melamed, M. L. and Miller, H. L. and Dutton, E. G. and Solomon, S.}, TITLE = {On the variability of the Ring effect in the near ultraviolet: understanding the role of aerosols and multiple scattering}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {6}, YEAR = {2006}, NUMBER = {5}, PAGES = {10153--10182}, URL = {http://www.atmos-chem-phys-discuss.net/6/10153/2006/}, ISSN = {1680-7367} }