Analysis of erythemal UVB and UVA irradiance at Beer Sheva, Israel from 1994 through 2012

Avraham I. Kudish; Efim G. Evseev

doi:10.1016/j.renene.2013.08.048

Analysis of erythemal UVB and UVA irradiance at Beer Sheva, Israel from 1994 through 2012

Avraham I. Kudish, Efim G. Evseev

The Swiss Institute for Dryland Environmental and Energy Research

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

3 Scopus citations

Abstract

The erythemal UVB and UVA irradiance monitored at Beer Sheva, Israel from June 1994 through March 2012 has been analyzed. A statistical analysis was applied to the daily values for each month and average, median, standard deviation, coefficient of variation (%), maximum and minimum values are reported. The maximum and minimum monthly average daily values for both erythemal UVB and UVA occur in June and December, respectively. They are 1.658Wm^-2(ER) and 0.346Wm^-2(ER) for the case of erythemal UVB and the corresponding values for UVA are 300.78Wm^-2 and 135.52Wm^-2. A similar statistical analysis was performed on the monthly average daily values throughout the time interval of this study. In addition, the monthly average daily values were analyzed to determine if there existed any trends for the individual months. A linear regression analysis was applied to the monthly average daily erythemal UVB and UVA irradiance as a function of year. No statistically significant trends were observed, based upon the corresponding p-values; a possible exception being the UVA irradiance during February, which may have a slight negative trend. Typical erythemal UVB and UVA irradiance meteorological years were developed for Beer Sheva and its environs.

Original language	English
Pages (from-to)	84-89
Number of pages	6
Journal	Renewable Energy
Volume	63
DOIs	https://doi.org/10.1016/j.renene.2013.08.048
State	Published - 1 Mar 2014

Keywords

Erythemal UVB
Irradiance trends
Statistical analysis
Typical meteorological years
UVA

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment

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10.1016/j.renene.2013.08.048

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title = "Analysis of erythemal UVB and UVA irradiance at Beer Sheva, Israel from 1994 through 2012",

abstract = "The erythemal UVB and UVA irradiance monitored at Beer Sheva, Israel from June 1994 through March 2012 has been analyzed. A statistical analysis was applied to the daily values for each month and average, median, standard deviation, coefficient of variation (%), maximum and minimum values are reported. The maximum and minimum monthly average daily values for both erythemal UVB and UVA occur in June and December, respectively. They are 1.658Wm-2(ER) and 0.346Wm-2(ER) for the case of erythemal UVB and the corresponding values for UVA are 300.78Wm-2 and 135.52Wm-2. A similar statistical analysis was performed on the monthly average daily values throughout the time interval of this study. In addition, the monthly average daily values were analyzed to determine if there existed any trends for the individual months. A linear regression analysis was applied to the monthly average daily erythemal UVB and UVA irradiance as a function of year. No statistically significant trends were observed, based upon the corresponding p-values; a possible exception being the UVA irradiance during February, which may have a slight negative trend. Typical erythemal UVB and UVA irradiance meteorological years were developed for Beer Sheva and its environs.",

keywords = "Erythemal UVB, Irradiance trends, Statistical analysis, Typical meteorological years, UVA",

author = "Kudish, {Avraham I.} and Evseev, {Efim G.}",

note = "Funding Information: This work was made possible by the continuous funding support of the Dead Sea & Arava Science Center . We wish to thank the Israel Meteorological Service for their aid in the maintenance of the meteorological station and Ms. Lilia Klezman for her help in both data measurement and analysis. ",

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doi = "10.1016/j.renene.2013.08.048",

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AU - Kudish, Avraham I.

AU - Evseev, Efim G.

N1 - Funding Information: This work was made possible by the continuous funding support of the Dead Sea & Arava Science Center . We wish to thank the Israel Meteorological Service for their aid in the maintenance of the meteorological station and Ms. Lilia Klezman for her help in both data measurement and analysis.

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N2 - The erythemal UVB and UVA irradiance monitored at Beer Sheva, Israel from June 1994 through March 2012 has been analyzed. A statistical analysis was applied to the daily values for each month and average, median, standard deviation, coefficient of variation (%), maximum and minimum values are reported. The maximum and minimum monthly average daily values for both erythemal UVB and UVA occur in June and December, respectively. They are 1.658Wm-2(ER) and 0.346Wm-2(ER) for the case of erythemal UVB and the corresponding values for UVA are 300.78Wm-2 and 135.52Wm-2. A similar statistical analysis was performed on the monthly average daily values throughout the time interval of this study. In addition, the monthly average daily values were analyzed to determine if there existed any trends for the individual months. A linear regression analysis was applied to the monthly average daily erythemal UVB and UVA irradiance as a function of year. No statistically significant trends were observed, based upon the corresponding p-values; a possible exception being the UVA irradiance during February, which may have a slight negative trend. Typical erythemal UVB and UVA irradiance meteorological years were developed for Beer Sheva and its environs.

AB - The erythemal UVB and UVA irradiance monitored at Beer Sheva, Israel from June 1994 through March 2012 has been analyzed. A statistical analysis was applied to the daily values for each month and average, median, standard deviation, coefficient of variation (%), maximum and minimum values are reported. The maximum and minimum monthly average daily values for both erythemal UVB and UVA occur in June and December, respectively. They are 1.658Wm-2(ER) and 0.346Wm-2(ER) for the case of erythemal UVB and the corresponding values for UVA are 300.78Wm-2 and 135.52Wm-2. A similar statistical analysis was performed on the monthly average daily values throughout the time interval of this study. In addition, the monthly average daily values were analyzed to determine if there existed any trends for the individual months. A linear regression analysis was applied to the monthly average daily erythemal UVB and UVA irradiance as a function of year. No statistically significant trends were observed, based upon the corresponding p-values; a possible exception being the UVA irradiance during February, which may have a slight negative trend. Typical erythemal UVB and UVA irradiance meteorological years were developed for Beer Sheva and its environs.

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KW - Irradiance trends

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KW - Typical meteorological years

KW - UVA

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Analysis of erythemal UVB and UVA irradiance at Beer Sheva, Israel from 1994 through 2012

Abstract

Keywords

ASJC Scopus subject areas

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