Variability of UV irradiance in Europe

Gunther Seckmeyer; Darius Pissulla; Merle Glandorf; Diamantino Henriques; Bjorn Johnsen; Ann Webb; Anna Maria Siani; Alkis Bais; Berit Kjeldstad; Colette Brogniez; Jacqueline Lenoble; Brian Gardiner; Peter Kirsch; Tapani Koskela; Jussi Kaurola; Beate Uhlmann; Harry Slaper; Peter Den Outer; Michal Janouch; Peter Werle; Julian Gröbner; Bernhard Mayer; Alain De La Casiniere; Stana Simic; Fernanda Carvalho

doi:10.1111/j.1751-1097.2007.00216.x

Variability of UV irradiance in Europe

Gunther Seckmeyer, Darius Pissulla, Merle Glandorf, Diamantino Henriques, Bjorn Johnsen, Ann Webb, Anna Maria Siani, Alkis Bais, Berit Kjeldstad, Colette Brogniez, Jacqueline Lenoble, Brian Gardiner, Peter Kirsch, Tapani Koskela, Jussi Kaurola, Beate Uhlmann, Harry Slaper, Peter Den Outer, Michal Janouch, Peter WerleJulian Gröbner, Bernhard Mayer, Alain De La Casiniere, Stana Simic, Fernanda Carvalho

Research output: Contribution to journal › Article › peer-review

Abstract

The diurnal and annual variability of solar UV radiation in Europe is described for different latitudes, seasons and different biologic weighting functions. For the description of this variability under cloudless skies the widely used one-dimensional version of the radiative transfer model UVSPEC is used. We reconfirm that the major factor influencing the diurnal and annual variability of UV irradiance is solar elevation. While ozone is a strong absorber of UV radiation its effect is relatively constant when compared with the temporal variability of clouds. We show the significant role that clouds play in modifying the UV climate by analyzing erythemal irradiance measurements from 28 stations in Europe in summer. On average, the daily erythemal dose under cloudless skies varies between 2.2 kJ m -2 at 70°N and 5.2 kJ m -2 at 35°N, whereas these values are reduced to 1.5-4.5 kJ m -2 if clouds are included. Thus clouds significantly reduce the monthly UV irradiation, with the smallest reductions, on average, at lower latitudes, which corresponds to the fact that it is often cloudless in the Mediterranean area in summer. © 2007 The Authors.

Original language	English
Pages (from-to)	172-179
Number of pages	7
Journal	Photochemistry and Photobiology
Volume	84
Issue number	1
DOIs	https://doi.org/10.1111/j.1751-1097.2007.00216.x
Publication status	Published - Jan 2008

Keywords

RADIATIVE-TRANSFER
SOLAR UV
MULTIPLE-SCATTERING
CLOUD CONDITIONS
SATELLITE
ULTRAVIOLET
SURFACE
CLIMATOLOGY
UNCERTAINTY
AUSTRALIA

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10.1111/j.1751-1097.2007.00216.x

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Seckmeyer, G., Pissulla, D., Glandorf, M., Henriques, D., Johnsen, B., Webb, A., Siani, A. M., Bais, A., Kjeldstad, B., Brogniez, C., Lenoble, J., Gardiner, B., Kirsch, P., Koskela, T., Kaurola, J., Uhlmann, B., Slaper, H., Den Outer, P., Janouch, M., ... Carvalho, F. (2008). Variability of UV irradiance in Europe. Photochemistry and Photobiology, 84(1), 172-179. https://doi.org/10.1111/j.1751-1097.2007.00216.x

@article{0c526e626052402e91930a0c05b97a66,

title = "Variability of UV irradiance in Europe",

abstract = "The diurnal and annual variability of solar UV radiation in Europe is described for different latitudes, seasons and different biologic weighting functions. For the description of this variability under cloudless skies the widely used one-dimensional version of the radiative transfer model UVSPEC is used. We reconfirm that the major factor influencing the diurnal and annual variability of UV irradiance is solar elevation. While ozone is a strong absorber of UV radiation its effect is relatively constant when compared with the temporal variability of clouds. We show the significant role that clouds play in modifying the UV climate by analyzing erythemal irradiance measurements from 28 stations in Europe in summer. On average, the daily erythemal dose under cloudless skies varies between 2.2 kJ m -2 at 70°N and 5.2 kJ m -2 at 35°N, whereas these values are reduced to 1.5-4.5 kJ m -2 if clouds are included. Thus clouds significantly reduce the monthly UV irradiation, with the smallest reductions, on average, at lower latitudes, which corresponds to the fact that it is often cloudless in the Mediterranean area in summer. {\textcopyright} 2007 The Authors.",

keywords = "RADIATIVE-TRANSFER, SOLAR UV, MULTIPLE-SCATTERING, CLOUD CONDITIONS, SATELLITE, ULTRAVIOLET, SURFACE, CLIMATOLOGY, UNCERTAINTY, AUSTRALIA",

author = "Gunther Seckmeyer and Darius Pissulla and Merle Glandorf and Diamantino Henriques and Bjorn Johnsen and Ann Webb and Siani, {Anna Maria} and Alkis Bais and Berit Kjeldstad and Colette Brogniez and Jacqueline Lenoble and Brian Gardiner and Peter Kirsch and Tapani Koskela and Jussi Kaurola and Beate Uhlmann and Harry Slaper and {Den Outer}, Peter and Michal Janouch and Peter Werle and Julian Gr{\"o}bner and Bernhard Mayer and {De La Casiniere}, Alain and Stana Simic and Fernanda Carvalho",

note = "Seckmeyer, Gunther Pissulla, Darius Glandorf, Merle Henriques, Diamantino Johnsen, Bjorn Webb, Ann Siani, Anna-Maria Bais, Alkis Kjeldstad, Berit Brogniez, Colette Lenoble, Jacqueline Gardiner, Brian Kirsch, Peter Koskela, Tapani Kaurola, Jussi Uhlmann, Beate Slaper, Harry den Outer, Peter Janouch, Michal Werle, Peter Groebner, Julian Mayer, Bernhard de la Casiniere, Alain Simic, Stana Carvalho, Fernanda 42 AMER SOC PHOTOBIOLOGY AUGUSTA 253GO",

year = "2008",

month = jan,

doi = "10.1111/j.1751-1097.2007.00216.x",

language = "English",

volume = "84",

pages = "172--179",

journal = "Photochemistry and Photobiology",

issn = "0031-8655",

publisher = "John Wiley & Sons Ltd",

number = "1",

}

Seckmeyer, G, Pissulla, D, Glandorf, M, Henriques, D, Johnsen, B, Webb, A, Siani, AM, Bais, A, Kjeldstad, B, Brogniez, C, Lenoble, J, Gardiner, B, Kirsch, P, Koskela, T, Kaurola, J, Uhlmann, B, Slaper, H, Den Outer, P, Janouch, M, Werle, P, Gröbner, J, Mayer, B, De La Casiniere, A, Simic, S & Carvalho, F 2008, 'Variability of UV irradiance in Europe', Photochemistry and Photobiology, vol. 84, no. 1, pp. 172-179. https://doi.org/10.1111/j.1751-1097.2007.00216.x

TY - JOUR

T1 - Variability of UV irradiance in Europe

AU - Seckmeyer, Gunther

AU - Pissulla, Darius

AU - Glandorf, Merle

AU - Henriques, Diamantino

AU - Johnsen, Bjorn

AU - Webb, Ann

AU - Siani, Anna Maria

AU - Bais, Alkis

AU - Kjeldstad, Berit

AU - Brogniez, Colette

AU - Lenoble, Jacqueline

AU - Gardiner, Brian

AU - Kirsch, Peter

AU - Koskela, Tapani

AU - Kaurola, Jussi

AU - Uhlmann, Beate

AU - Slaper, Harry

AU - Den Outer, Peter

AU - Janouch, Michal

AU - Werle, Peter

AU - Gröbner, Julian

AU - Mayer, Bernhard

AU - De La Casiniere, Alain

AU - Simic, Stana

AU - Carvalho, Fernanda

N1 - Seckmeyer, Gunther Pissulla, Darius Glandorf, Merle Henriques, Diamantino Johnsen, Bjorn Webb, Ann Siani, Anna-Maria Bais, Alkis Kjeldstad, Berit Brogniez, Colette Lenoble, Jacqueline Gardiner, Brian Kirsch, Peter Koskela, Tapani Kaurola, Jussi Uhlmann, Beate Slaper, Harry den Outer, Peter Janouch, Michal Werle, Peter Groebner, Julian Mayer, Bernhard de la Casiniere, Alain Simic, Stana Carvalho, Fernanda 42 AMER SOC PHOTOBIOLOGY AUGUSTA 253GO

PY - 2008/1

Y1 - 2008/1

N2 - The diurnal and annual variability of solar UV radiation in Europe is described for different latitudes, seasons and different biologic weighting functions. For the description of this variability under cloudless skies the widely used one-dimensional version of the radiative transfer model UVSPEC is used. We reconfirm that the major factor influencing the diurnal and annual variability of UV irradiance is solar elevation. While ozone is a strong absorber of UV radiation its effect is relatively constant when compared with the temporal variability of clouds. We show the significant role that clouds play in modifying the UV climate by analyzing erythemal irradiance measurements from 28 stations in Europe in summer. On average, the daily erythemal dose under cloudless skies varies between 2.2 kJ m -2 at 70°N and 5.2 kJ m -2 at 35°N, whereas these values are reduced to 1.5-4.5 kJ m -2 if clouds are included. Thus clouds significantly reduce the monthly UV irradiation, with the smallest reductions, on average, at lower latitudes, which corresponds to the fact that it is often cloudless in the Mediterranean area in summer. © 2007 The Authors.

AB - The diurnal and annual variability of solar UV radiation in Europe is described for different latitudes, seasons and different biologic weighting functions. For the description of this variability under cloudless skies the widely used one-dimensional version of the radiative transfer model UVSPEC is used. We reconfirm that the major factor influencing the diurnal and annual variability of UV irradiance is solar elevation. While ozone is a strong absorber of UV radiation its effect is relatively constant when compared with the temporal variability of clouds. We show the significant role that clouds play in modifying the UV climate by analyzing erythemal irradiance measurements from 28 stations in Europe in summer. On average, the daily erythemal dose under cloudless skies varies between 2.2 kJ m -2 at 70°N and 5.2 kJ m -2 at 35°N, whereas these values are reduced to 1.5-4.5 kJ m -2 if clouds are included. Thus clouds significantly reduce the monthly UV irradiation, with the smallest reductions, on average, at lower latitudes, which corresponds to the fact that it is often cloudless in the Mediterranean area in summer. © 2007 The Authors.

KW - RADIATIVE-TRANSFER

KW - SOLAR UV

KW - MULTIPLE-SCATTERING

KW - CLOUD CONDITIONS

KW - SATELLITE

KW - ULTRAVIOLET

KW - SURFACE

KW - CLIMATOLOGY

KW - UNCERTAINTY

KW - AUSTRALIA

U2 - 10.1111/j.1751-1097.2007.00216.x

DO - 10.1111/j.1751-1097.2007.00216.x

M3 - Article

SN - 0031-8655

VL - 84

SP - 172

EP - 179

JO - Photochemistry and Photobiology

JF - Photochemistry and Photobiology

IS - 1

ER -

Variability of UV irradiance in Europe

Abstract

Keywords

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