Variability of daily UV index in Jokioinen, Finland, in 1995-2015

A Heikkilä, Kristian Uusitalo, P. Kärhä, A. Vaskuri, K Lakkala, T Koskela

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

UV Index is a measure for UV radiation harmful for the human skin, developed and used to promote the sun awareness and protection of people. Monitoring programs conducted around the world have produced a number of long-term time series of UV irradiance. One of the longest time series of solar spectral UV irradiance in Europe has been obtained from the continuous measurements of Brewer #107 spectrophotometer in Jokioinen (lat. 60°44'N, lon. 23°30'E), Finland, over the years 1995-2015. We have used descriptive statistics and estimates of cumulative distribution functions, quantiles and probability density functions in the analysis of the time series of daily UV Index maxima. Seasonal differences in the estimated distributions and in the trends of the estimated quantiles are found.

Original languageEnglish
Title of host publicationRadiation Processes in the Atmosphere and Ocean, IRS 2016: Proceedings of the International Radiation Symposium (IRC/IAMAS)
PublisherAmerican Institute of Physics
Number of pages5
Volume1810
ISBN (Electronic)9780735414785
DOIs
Publication statusPublished - 22 Feb 2017
MoE publication typeA4 Article in a conference publication
EventInternational Radiation Symposium: Radiation Processes in the Atmosphere and Ocean - Auckland, New Zealand
Duration: 16 Apr 201622 Apr 2016

Conference

ConferenceInternational Radiation Symposium
Abbreviated titleIRS
CountryNew Zealand
CityAuckland
Period16/04/201622/04/2016

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