2021
DOI: 10.4467/20833113pg.21.008.14585
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Zmiany usłonecznienia rzeczywistego w Polsce i ich przyczyny (1966–2018)

Abstract: Changes in sunshine duration in Poland and their causes (1966–2018) The study discusses changes in the sunshine duration in Poland, occurring in the years 1966–2018. The main analysis was carried out on a series of annual area sunshine duration, calculated from 11 stations, distributed relatively evenly throughout the area of Poland (variable UPLRK). A discontinuity was found in the course of UPLRK, consisting a quantum leap of this value in the years 1987–1989, and then the appearance of a statistically sign… Show more

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Cited by 3 publications
(6 citation statements)
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“…Sunshine duration is an element of the climate that exhibits positive trends over many years [18]. From the late 1980's a trend rising at a rate of 30 to 130 h per 10 years has been observed, depending on the region, whereas at the synoptic station in Chojnice, this trend was estimated at 78 h per decade [19]. Considering that in the period before 2015 there is no data from the research area other than those from records using traditional methods, it is possible, bearing in mind the demonstrated differences, to use the reconstructed series to study the climate variability of northern Poland.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Sunshine duration is an element of the climate that exhibits positive trends over many years [18]. From the late 1980's a trend rising at a rate of 30 to 130 h per 10 years has been observed, depending on the region, whereas at the synoptic station in Chojnice, this trend was estimated at 78 h per decade [19]. Considering that in the period before 2015 there is no data from the research area other than those from records using traditional methods, it is possible, bearing in mind the demonstrated differences, to use the reconstructed series to study the climate variability of northern Poland.…”
Section: Discussionmentioning
confidence: 99%
“…Due to the effects of solar radiation, sunshine duration data is one of the main indicators for characterizing the climate of a given location [4][5][6], which is useful in various sectors, such as including health resorts [7,8], tourism [9][10][11], public health [12][13][14], and agriculture [15][16][17]. It also provides information in terms of past and present climate variability and change [18][19][20]. It can be valuable for estimating the total radiation flux at a place where no pyranometric data is available [2].…”
Section: Introductionmentioning
confidence: 99%
“…The fjord waters are very often covered with high concentrations of ice and sometimes compact floating ice (Fig. 3) [Marsz and Styszyńska 2007]. Source: [Osuch and Wawrzyniak 2016].…”
Section: Polish Polar Station In Hornsundmentioning
confidence: 99%
“…Afterwards, the days become shorter very quickly. From October 31 to February 11, the sun is located below the horizon, which means that the polar nights last for 104 days [Marsz and Styszyńska 2007].…”
Section: Climatementioning
confidence: 99%
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