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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/48574

Title: Sensitivity of UV Erythemal Radiation to Total Ozone Changes under Different Sky Conditions: Results for Granada, Spain
Authors: Antón, Manuel
Cazorla Cabrera, Alberto
Mateos, D.
Costa, M. J.
Olmo Reyes, Francisco José
Alados-Arboledas, Lucas
Issue Date: Feb-2016
Abstract: This paper focuses on the analysis of the sensitivity of UV erythemal radiation (UVER) to variations of the total ozone column (TOC) under different sky conditions at Granada (southeastern Spain). The sensitivity is studied both in relative terms by means of the Radiation Amplification Factor (RAF) and in absolute terms using the Ozone Efficiency (OE). These two variables are determined for diverse sky conditions characterized by the cloud cover information given by a sky camera (in oktas) and the cloud optical depth (COD) estimated from global solar radiation measurements. As expected, in absolute terms, the TOC variations cause substantially smaller UVER changes during completely overcast situations than during cloud-free cases. For instance, the OE (SZA=30º, TOC=290 DU) decreases from 0.68 mW/m2 per unit of TOC (0 oktas) to 0.50 mW/m2 per unit of TOC (8 oktas). However, the opposite is observed when the analysis is performed in relative terms. Thus, the RAF (determined for SZA cases below 80º) increases from 1.1 for cloud-free cases (0 oktas) to 1.4 for completely overcast situations (8 oktas). This opposite behavior is also found when both RAF and OE are analyzed as functions of COD. Thus, while the OE strongly decreases with increasing COD, the RAF increases as COD increases.
Sponsorship: European Commission Horizon 2020 Research and Innovation Framework Programme through ACTRIS 2 project (H2020-INFRAIA-2014-2015-654109).
Spanish Ministry of Economy and Competitiveness through projects CGL2011-29921-C02-01, CGL2013-45410-R, CGL2014-56255-C2-1-R.
Andalusia Regional Government through projects P10-RNM-6299 and P12-RNM-2409.
Publisher: Wiley
Description: This is the peer reviewed version of the following article: Antón, M.; et al. Sensitivity of UV Erythemal Radiation to Total Ozone Changes under Different Sky Conditions: Results for Granada, Spain. Photochemistry and Photobiology, 92(1): 215-219 (2016), which has been published in final form at http://dx.doi.org/10.1111/php.12539 . This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
Keywords: Ozone
Sky camera
Granada
Ultraviolet radiation
URI: http://hdl.handle.net/10481/48574
ISSN: 1751-1097
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Antón, M.; et al. Sensitivity of UV Erythemal Radiation to Total Ozone Changes under Different Sky Conditions: Results for Granada, Spain. Photochemistry and Photobiology, 92(1): 215-219 (2016). [http://hdl.handle.net/10481/48574]
Appears in Collections:RNM119 - Artículos
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