Conditions influencing incoming global solar radiation in Hornsund (Spitsbergen) in spring 2015

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dc.contributor.author Uscka-Kowalkowska, Joanna
dc.contributor.author Markowicz, Krzysztof M.
dc.contributor.author Przybylak, Rajmund
dc.contributor.author Araźny, Andrzej
dc.date.accessioned 2017-09-18T13:04:48Z
dc.date.available 2017-09-18T13:04:48Z
dc.date.issued 2017
dc.identifier.citation Polish Polar Research vol. 38, no. 3, pp. 333-349.
dc.identifier.uri http://repozytorium.umk.pl/handle/item/4654
dc.description.abstract This article analyses the conditions affecting the incoming global solar radiation in Hornsund (Spitsbergen) in spring of 2015. Incoming solar radiation turned out to be average for the season under analysis, as compared with longer-term data. The clearness index (KT) was 0.46, and was mainly determined by the extent of cloudiness. As a result of differences in the length of day, sunshine duration in May was greater than in April. Incoming solar radiation to the earth’s surface is also affected by the atmospheric optical properties. The average value of aerosol optical depth (AOD) at 500 nm in Hornsund in spring of 2015 was 0.087. In the analysed period, increased values of AOD at 500 nm (up to 0.143) were observed, although these are not record values. Over April and May, the greatest part of optical depth was comprised of anthropogenic aerosols (41%), followed by marine aerosols (26%), desert dust (21%) and biomassburning aerosols (12%). This indicates the significant role of the anthropogenic factor in the climatic conditions of Spitsbergen.
dc.language.iso eng
dc.rights info:eu-repo/semantics/openAccess
dc.subject Arctic
dc.subject Spitsbergen
dc.subject global solar radiation
dc.subject cloudiness
dc.subject sunshine duration
dc.subject aerosol optical depth
dc.title Conditions influencing incoming global solar radiation in Hornsund (Spitsbergen) in spring 2015
dc.type info:eu-repo/semantics/article

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