Articles | Volume 17, issue 8
https://doi.org/10.5194/essd-17-3757-2025
https://doi.org/10.5194/essd-17-3757-2025
Data description paper
 | 
05 Aug 2025
Data description paper |  | 05 Aug 2025

Biologically effective daily radiant exposure for erythema appearance, previtamin D3 synthesis, and clearing of psoriatic lesions derived from erythemal broadband meters at Belsk, Poland, for the period 1976–2023

Janusz W. Krzyścin, Agnieszka Czerwińska, Bonawentura Rajewska-Więch, Janusz Jarosławski, Piotr S. Sobolewski, and Izabela Pawlak

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Short summary
Time series (1976−2023) of biologically effective (for skin redness, vitamin D3 production, and psoriasis healing) daily radiant exposure (RE) at Belsk from standard erythemal biometers are examined. Comparisons of the measured data for cloudless days with values from a radiation transfer model provide a basis for data homogenisation. Averaged results from different versions of the recalculated data give the 1976−2004 trend of about 6 % per 10 years in annual RE for all biological effects.
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