@Article{acpd-7-1507-2007, AUTHOR = {Badosa, J. and McKenzie, R. L. and Kotkamp, M. and Calbó, J. and González, J. A. and Johnston, P. V. and O'Neill, M. and Anderson, D. J.}, TITLE = {Towards closure between measured and modelled UV under clear skies at four diverse sites}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {7}, YEAR = {2007}, NUMBER = {1}, PAGES = {1507--1555}, URL = {http://www.atmos-chem-phys-discuss.net/7/1507/2007/}, ISSN = {1680-7367} }