Anton , M. , Serrano , A. , Cancillo , M. L. and Garcia , J. A . 2009a . Experi-mental and forecasted values of the ultraviolet index in Southwestern Spain . J. Geophys. Res . 114 , D05211 , doi: https://doi.org/10.1029/2008JDO11304 .
Anton M. , Serrano , A. , Cancillo , M. L. and Garcia , J. A . 2009b . An empirical model to estimate ultraviolet erythemal transmissivity . Ann. Geophys . 27 , 1387 – 1398 .
Anton M. , Serrano , A. , Cancillo , M. L. , Garcia , J. A. and Madronich, S. 2011. Empirical evaluation of a simple analytical formula for the Ultraviolet Index. Photochem. Photobiol . 87 , 478 - 482 , doi: https://doi.org/10.1111/j.1751-1097.2010.00860.x .
Badosa , J. , Gonzlez , J. A. , CalbO , J. , van Weele , M. and McKenzie , R. L . 2005 . Using a parametrization of a radiative transfer model to build high-resolution maps of typical clear-sky UV index in Catalonia, Spain./ . Appl. Meteorol . 44 , 789 – 803 .
Bais , A. , Topaloglou , C. , Kazadtzis , S. , Blumthaler , M. , Schreder , J. , and co-authors . 1999 . Report of the LAP/COST/WMO intercomparison of erythemal radiometers. Technical Report TD 1051, WMO/GAW.
Bodeker , G. E. and McKenzie , R. L . 1996 . An algorithm for inferring surface UV irradiance including cloud effects . J. Appl. Meteorol . 35 , 1860 – 1877 .
Cancillo , M. L. , Serrano , A. , Anton , M. , Garcia , J. A. , Vilaplana , J. M. , and co-authors . 2005 . An improved outdoor calibration proce-dure for broadband ultraviolet radiometers. Photochem. Photobiol . 81 , 860 - 865 .
Chuvaroba , N. Y . 2008 . UV variability in Moscow according to long-term UV measurements and reconstruction model . Atmos. Chem. Phys . 8 , 3025 – 3031 .
Cheymol , A. and De Backer , H . 2003 . Retrieval of the aerosol opti-cal depth in the UV-B at Uccle from Brewer ozone measurements over a long time period 1984-2002 . J. Geophys. Res . 108 , 4800 , doi: https://doi.org/10.1029/2003jd003758 .
den Outer , P. N. , Slaper , H. and Tax , R. B . 2005 . UV radiation in the Netherlands: Assessing long-term variability and trends in relation to ozone and clouds . J. Geophys. Res . 110 , D02203 , doi: https://doi.org/10.1029/2004JD004824 .
den Outer , P. N. , Slaper , H. , Kaurola , J. , Lindfors , A. , Kazantzidis , A. , and co-authors . 2010 . Reconstructing of erythemal ultraviolet radiation levels in Europe for the past 4 decades. J. Geophys. Res . 115 , D10102 , doi: https://doi.org/10.1029/2009JDO12827 .
Diaz , S. , Nelson , D. , Deferrari , G. , and Camilion , C . 2003 . A model to extend spectral and multiwavelength UV irradiances time series: model development and validation . J. Geophys. Res . 108 ( D4 ), 4150 , doi: https://doi.org/10.1029/2002JDO02134 .
Diffey , B . 1991 . Solar ultraviolet radiation effects on biological systems . Phys. Med. Biol . 36 , 299 – 328 .
Eerme , K. , Veismann , U. and Koppel , R . 2002 . Variations of erythemal ultraviolet irradiance and dose at Tartu/TOravere Estonia . Clim. Res . 22 , 245 – 253 .
Engelsen , O. , Hansen , G. H. and Svenoe , T . 2004 . Long-term (1936-2003) ultraviolet and photosynthetically active radiation doses at a north Norwegian location in spring on the basis of total ozone and cloud cover . Geophys. Res. Lett . 31 , L12103 , doi: https://doi.org/10.1029/2003GL019241 .
Fioletov , V. , McArthur , L. , Kerr , J. and Wardle , D . 2001 . Long-term variations of UV-B irradiance over Canada estimated from Brewer observations and derived from ozone and pyranometer measurements . J. Geophys. Res . 106 ( D19 ), 23009 – 23027 .
Foyo-Moreno , I. , Vida , J. and Alados-Arboledas , L . 1999 . A simple all weather model to estimate ultraviolet solar radiation (290-385 nm) . J. Appl. Meteorol . 38 , 1020 – 1026 .
Foyo-Moreno , I. , Alados , I. , and Alados-Arboledas , L . 2007 . Adapta-tion of an empirical model for erythemal ultraviolet irradiance . Ann. Geophys . 25 , 1499 – 1508 .
Gantner , L. , Winkler , P. and Kooehler , U . 2000 . A method to derive long-term time series and trends of UV-B radiation (1968-1997) from observations at Hohenpeissenberg (Bavaria) . J. Geophys. Res . 105 ( D4 ), 4879 – 4888 .
Harris , N. R. P , KyrO , E. , Staehelin , J. , Brunner , D. , Andersen , S. B. , and co-authors . 2008 . Ozone trends at northern mid- and high latitudes—an European perspective. Ann. Geophys . 26 , 1207 - 1220 .
Iqbal , M . 1983 . Introduction to Solar Radiation . Academic Press , Toronto , Canada .
Junk , J. , Feister , U. and Helbig , A . 2007 . Reconstruction of daily so-lar UV irradiation from 1893 to 2002 in Potsdam, Germany . Int. J. Biometeorol . 51 , 505 – 512 , doi: https://doi.org/10.1007/s00484-007-0089-4 .
Kaurola , J. , Taalas , P. , Koskela , T. , Borkowski , J. , and Josefsson , W . 2000 . Long-term variations of UV-B doses at three stations in northern Europe . J. Geophys. Res . 105 ( D16 ), 20813 – 20820 .
Kazadzis , S. , Bais , A. , Amiridis , V. , Balis , D. , Meleti , C. , and co-authors . 2007 . Nine years of UV aerosol optical depth measurements at Thes-saloniki, Greece. Atmos. Chem. Phys . 7 , 2091 - 2101 .
Krzykin , J. W . 2006 . Change in ozone depletion rates beginning in the mid 1990s: trend analyses of the TOMS/SBUV merged total ozone data, 1978-2003 . Ann. Geophys . 24 , 493-502 .
Krzykin , J. W . 2008 . Statistical reconstruction of daily total ozone over Europe 1950 to 2004 . J. Geophys. Res . 113 , D07112 , doi: https://doi.org/10.1029/2007JD008881 .
Krzykin , J. W. and Borkowski , J. L . 2008 . Variability of the total ozone trend over Europe for the period 1950-2004 derived from recon-structed data . Atmos. Chem. Phys . 8 , 2847 – 2857 .
Krzykin , J. W. , Sobolewslci , P. S. , Jaroslawski , J. , PodgOrski , J. , and Rajewslca-Wiçch , B . 2010 . Erythemal UV observations at Belsk, Poland, in the period 1976-2008: data homogenization, climatology, and trends . Acta Geophys . 59 , 155 – 182 .
Lindfors , A. and Vuilleumier , L . 2005 . Erythemal UV at Davos (Switzerland) , 1926 - 2003 , estimated using total ozone, sun-shine duration, and snow depth . J. Geophys. Res . 110 , D02104 , doi: https://doi.org/10.1029/2004JD005231 .
Lindfors , A. , Arola , A. , Kaurola , J. , Taalas , P. , and Svenoe , T . 2003 . Long-term erythemal UV doses at Sodankylä estimated using total ozone, sunshine duration, and snow depth . J. Geophys. Res . 108 ( D16 ), 4518 , doi: https://doi.org/10.1029/2002JDO03325 .
Lindfors , A. , Kaurola , J. , Arola , A. , Koskela , T. , Laldcala , K. , and co-authors . 2007 . A method for reconstruction of past UV radiation based on radiative transfer modeling: applied to four stations in northern Europe./. Geophys., Res . 112 , D23201 , doi: https://doi.org/10.1029/2007JDO08454 .
Lucas , R. , McMichael , T. , Smith , W. and Armstrong , B . 2006 . Solar ultraviolet radiation: global burden of disease from solar ultraviolet radiation. In: Environmental Burden of Disease Series . Volume 13. WHO, Geneva, Switzerland.
Mateos , D. , de Miguel , A. and Bilbao , J . 2010 . Empirical models of UV total radiation and cloud effect study . Int. J. Climatol . 30 : 1407 – 1415 , doi: https://doi.org/10.1002/joc.1983 .
McKinlay , A. F. and Diffey , B. L . 1987 . A reference spectrum for ultraviolet induced erythema in human skin . CIE J . 6 , 21 – 27 .
Rieder , H. E. , Holawe , F. , Simic , S. , Blumthaler , M. , Krzyscin , J. W. , and co-authors . 2008 . Reconstruction of erythemal UV-doses for two stations in Austria: a comparison between alpine and urban regions. Atmos. Chem. Phys . 8 , 6309 - 6323 .
Rucicstuhl , C. , Philipona , R. , Behrens , K. , Coen , M. C. , Dun , B. , and co-authors . 2008 . Aerosol and cloud effects on solar brighten-ing and the recent rapid warming. Geophys. Res. Lett . 35 , L12708 , doi: https://doi.org/10.1029/2008g1034228 .
Serrano , A. , Anton , M. , Cancillo , M. L. , Mateos , V. L . 2006 . Daily and annual variations of erythemal ultraviolet radiation in Southwestern Spain . Ann. Geophys . 24 , 427 – 441 .
Tegen , I. , Koch , D. , Lacis , A. A. and Sato , M . 2000 . Trends in tropo-spheric aerosol loads and corresponding impact on direct radiative forcing between 1950 and 1990: a model study . J. Geophys. Res . 105 , 26971 – 26989 .
Trepte , S. and Winkler , P . 2004 . Reconstruction of erythemal UV irradi-ance and dose at Hohenpeissenberg (1968-2001) considering trends of total ozone, cloudiness and turbidity . Theor. Appl. Climatol . 77 , 159 – 171 , doi: https://doi.org/10.1007/s00704-004-0034-y .
United Nations Environment Programme (UNEP) 2006 . Environmental effects of ozone depletion and its interactions with climate change: 2006 assessment. Tech. Rep ., UNEP , Nairobi , Kenya .
Vilaplana , J. M. , Serrano , A. , Anton , M. , Cancillo , M. L. , Parias , M. , and co-authors . 2009 . Report of the El Arenosillo/ INTA-COST calibra-tion an intercomparison campaign of UVER broadband radiometers, “El Arenosillo”, Huelva, Spain, August—September 2007. Ed. COST Action 713, ISBN:978-84-692-2640-7.
Weatherhead , E. C. , Reinsel , G. C. , Tiao , G. C. , Meng , X. L. , Choi , D. , and co-authors . 1998 . Factors affecting the detection of trends: Statistical considerations and applications to environmental data. J. Geophys. Res . 103 ( D14 ), 17149 - 17161 .
Webb , A. , Gardiner , B. , Leszczynslci , K. , Mohnen , V. , Johnston , P. , and co-authors . 2003 . Quality assurance in monitoring solar ultraviolet radiation: the state of the art. Tech. Rep. 146, World Meteorol. Organ, Geneva, Switzerland.
Webb , A. , GrObner , J. and Blumthaler , M . 2006 . ‘A practical guide to operating broadband instruments measuring erythemally weighted irradiance’. Available at: http://i115srv.vu-wien.ac.at/uv/ C05T726/C05T726 Dateien/Results/GuideBB C05T726.pdf, EUR 22595, ISBN:92-898-0032-1.
World Health Organization (WHO) 1995 . Protection against expo-sure to ultraviolet radiation, Tech. Rep. WHO/EHG #17, Geneva, Switzerland.
World Meteorological Organization (WMO) 1998 . Report of the WMO-WHO meeting of experts on standardization of UV indices and their dissemination to the public, Les Diablerets, Switzerland, 21-24 July 1997, Tech. Rep. 127, WMO/Global Atmosphere Watch, Geneva, Switzerland.