Comparison of Ground-Based and Satellite-Derived Solar UV Index Levels at Six South African Sites - Université de La Réunion Accéder directement au contenu
Article Dans Une Revue International Journal of Environmental Research and Public Health Année : 2017

Comparison of Ground-Based and Satellite-Derived Solar UV Index Levels at Six South African Sites

Résumé

South Africa has been measuring the ground-based solar UV index for more than two decades at six sites to raise awareness about the impacts of the solar UV index on human health. This paper is an exploratory study based on comparison with satellite UV index measurements from the OMI/AURA experiment. Relative UV index differences between ground-based and satellite-derived data ranged from 0 to 45% depending on the site and year. Most of time, these differences appear in winter. Some ground-based stations' data had closer agreement with satellite-derived data. While the ground-based instruments are not intended for long-term trend analysis, they provide UV index information for public awareness instead, with some weak signs suggesting such long-term trends may exist in the ground-based data. The annual cycle, altitude, and latitude effects clearly appear in the UV index data measured in South Africa. This variability must be taken into account for the development of an excess solar UV exposure prevention strategy.
Fichier principal
Vignette du fichier
ijerph-14-01384.pdf (1.59 Mo) Télécharger le fichier
Origine : Fichiers éditeurs autorisés sur une archive ouverte
Loading...

Dates et versions

hal-01646295 , version 1 (23-11-2017)

Identifiants

Citer

Jean-Maurice Cadet, Hassan Bencherif, Thierry Portafaix, Kévin Lamy, Katlego Ncongwane, et al.. Comparison of Ground-Based and Satellite-Derived Solar UV Index Levels at Six South African Sites. International Journal of Environmental Research and Public Health, 2017, 14 (11), ⟨10.3390/ijerph14111384⟩. ⟨hal-01646295⟩
232 Consultations
248 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More