Archive: 2011 - Moldavian Journal of the Physical Sciences

05 Jun 2011

2011
V. 10
2
(p.234 - 239)

Variability of surface solar irradiance and aerosol optical depth during partial solar eclipse of January 4, 2011 in Kishinev, Moldova

Authors:

Aculinin, Alexandr; Smîcov, Vladimir

Summary:

Variation of surface solar irradiance and aerosol optical depth (AOD) during the partial solar eclipse on January 4, 2011 is analyzed on the basis of the ground observations at the Kishinev (Chisinau) site. Maximum of magnitude of the eclipse obscuration was 0.701. Evaluations of reduction of solar irradiance or "dimming" effect are derived. "Dimming" effect at the maximum magnitude of the solar eclipse was defined as the ratio of measured values of solar irradiance to the values estimated in the absence of the eclipse and it was 77.9% for global UV-B radiation and 73.6% for global solar radiation (280-3000 nm), respectively. The reduction in solar irradiance due to the solar eclipse event ranged from 36.5% to 41.7% for partial sums during the period of eclipse and from 17.2% to 19.6 % for daily totals. The existence of non-uniform variability of the derivative of the function of solar irradiance on time in the course of the solar eclipse was shown.

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<meta name="citation_author" content="Aculinin, Alexandr">
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BibTeX

@article{ibn_4374,
author = {Aculinin, A.A. and Smîcov, V.P.},
title = {<p>Variability of surface solar irradiance and aerosol optical depth during partial solar eclipse of January 4, 2011 in Kishinev, Moldova</p>},
journal = {Moldavian Journal of the Physical Sciences},
year = {2011},
volume = {10 (2)},
pages = {234-239},
month = {Jun},
abstract = {(EN) Variation  of  surface  solar  irradiance  and  aerosol  optical  depth  (AOD)  during  the  partial 
solar  eclipse  on  January  4,  2011  is  analyzed  on  the  basis  of  the  ground  observations at the 
Kishinev  (Chisinau)  site.  Maximum  of  magnitude  of  the  eclipse  obscuration  was  0.701. 
Evaluations of reduction of solar irradiance or "dimming" effect are derived. "Dimming" effect at 
the maximum magnitude of the solar eclipse was defined as the ratio of measured values of solar 
irradiance to the values estimated in the absence of the eclipse and it was  77.9% for global UV-B 
radiation and 73.6% for global solar radiation (280-3000 nm), respectively. The reduction in solar 
irradiance due to the solar eclipse event ranged from 36.5% to 41.7% for partial sums during the 
period  of  eclipse  and  from  17.2%  to  19.6  %  for  daily  totals.  The  existence  of  non-uniform 

variability of the derivative of  the function of solar  irradiance on  time in  the course of  the solar 
eclipse was shown. },
url = {https://ibn.idsi.md/vizualizare_articol/4374},
}

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Evaluations of reduction of solar irradiance or "dimming" effect are derived. "Dimming" effect at 
the maximum magnitude of the solar eclipse was defined as the ratio of measured values of solar 
irradiance to the values estimated in the absence of the eclipse and it was  77.9% for global UV-B 
radiation and 73.6% for global solar radiation (280-3000 nm), respectively. The reduction in solar 
irradiance due to the solar eclipse event ranged from 36.5% to 41.7% for partial sums during the 
period  of  eclipse  and  from  17.2%  to  19.6  %  for  daily  totals.  The  existence  of  non-uniform 

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<dc:description xml:lang='en'>Variation  of  surface  solar  irradiance  and  aerosol  optical  depth  (AOD)  during  the  partial 
solar  eclipse  on  January  4,  2011  is  analyzed  on  the  basis  of  the  ground  observations at the 
Kishinev  (Chisinau)  site.  Maximum  of  magnitude  of  the  eclipse  obscuration  was  0.701. 
Evaluations of reduction of solar irradiance or "dimming" effect are derived. "Dimming" effect at 
the maximum magnitude of the solar eclipse was defined as the ratio of measured values of solar 
irradiance to the values estimated in the absence of the eclipse and it was  77.9% for global UV-B 
radiation and 73.6% for global solar radiation (280-3000 nm), respectively. The reduction in solar 
irradiance due to the solar eclipse event ranged from 36.5% to 41.7% for partial sums during the 
period  of  eclipse  and  from  17.2%  to  19.6  %  for  daily  totals.  The  existence  of  non-uniform 

variability of the derivative of  the function of solar  irradiance on  time in  the course of  the solar 
eclipse was shown. </dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 10 (2) 234-239</dc:source>
<dc:title><p>Variability of surface solar irradiance and aerosol optical depth during partial solar eclipse of January 4, 2011 in Kishinev, Moldova</p></dc:title>
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“ ... ”

SM ISO690:2012

ACULININ, Alexandr; SMÎCOV, Vladimir. Variability of surface solar irradiance and aerosol optical depth during partial solar eclipse of January 4, 2011 in Kishinev, Moldova. In: Moldavian Journal of the Physical Sciences. 2011, nr. 2(10), pp. 234-239. ISSN 1810-648X.