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Precipitation in the West Pomeranian Voivodeship in Poland (1991-2020) : monthly variability

Nidzgorska-Lencewicz Jadwiga, Mąkosza Agnieszka, Czarnecka Małgorzata

Journal of Water and Land Development

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2024

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no. 63

25--32

EN

The article presents the spatio-temporal variability of the pluvial conditions in the West Pomeranian province in Poland as per 21 poviats1. The basic data for the study were monthly precipitation totals and maximum 24-hour period total for each month, obtained from 49 stations of the Institute of Meteorology and Water Management National Research Institute in 1991-2020. It was found that area averaged highest values of precipitation, on average, ranging from 71 to 100 mm, were recorded in July (with the exception of the Kołobrzeg and Sławno poviats), and the lowest, ranging from 29-38 mm, were recorded in April. Precipitation in the warm half-year (April-September), depending on a given poviat, ranged from 317 to 444 mm, which constitutes 52-58% of the annual total. Even higher variability was found with respect to the cold half-year (October-March) characterised by precipitation totals within the range of 234-404 mm. In the analysed multi-year period, statistically significant monthly precipitation totals were found only on several occasions: a positive trend was observed in January in the Kołobrzeg poviat, in July in Koszalin and Szczecinek poviats and in October in Myślibórz and Kołobrzeg poviats. The only instance of a marked decrease in monthly precipitation was identified for June in the Kamień Pomorski poviat. In all poviats of the voivodeship, there were nonsignificant tendency of an increase in precipitation in the cold half-year and reduction of the predominance of precipitation in the warm half-year over cold half-year.

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Atmospheric precipitation in the West Pomeranian Voivodeship in Poland (1991-2020) : Annual and seasonal variability

Nidzgorska-Lencewicz Jadwiga, Mąkosza Agnieszka, Czarnecka Małgorzata

Journal of Water and Land Development

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2024

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no. 61

202--212

EN

The paper presents a detailed analysis of precipitation conditions in the West Pomeranian Voivodeship in Poland, covering data from 21 poviats1. The basic data consisted of monthly sums of atmospheric precipitation from 49 stations of the Institute of Meteorology and Water Management National Research Institute (Pol.: Instytut Meteorologii i Gospodarki Wodnej Państwowy Instytut Badawczy - IMGW-PIB) in 1991-2020. Variability of precipitation conditions was demonstrated through annual and seasonal totals, the share of seasonal precipitation in annual totals, and the ratios of summer to winter precipitation and autumn and spring precipitation. It was found that area averaged annual totals ranged from below 600 mm in the poviats located in the west of the Voivodeship to more than 800 mm in the poviats located in the north-east. On average, the lowest annual totals were recorded in the area of the Police (550 mm) and Gryfino (565 mm) poviats, and the average highest in the Koszalin (842 mm) poviat. In most poviats, there was a slight, statistically insignificant tendency of increasing annual totals. The contribution of precipitation in spring, summer, autumn, and winter to the annual total in the voivodeship was 21, 33, 24, and 22%, respectively. The greatest year-to-year variability was found for summer (Vs = 28-39%) and winter precipitation totals (Vs = 29-35%). The most statistically significant result of the analysed features was identified for the calendar spring. The most prominent statistically significant changes in precipitation conditions were observed in the Goleniów, Kamień, and Sławno poviats.

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Determinants and effects of Poland’s road accidents in the context of the 2030 agenda for sustainable development – poviat level analysis for the years 2010-2019

Romanowska Aleksandra, Pangsy-Kania Sylwia, Budzyński Marcin, Wierzbicka Katarzyna, Prystrom Joanna

Ekonomia i Środowisko

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2022

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nr 3

173--193

EN

The objective of the research was to assess how selected factors influence road safety in Poland's poviats. To that end, an analysis was conducted of road accident determinants and effects in the poviats in the years 2010-2019. The time horizon fits in with Goal 3.6. of Agenda 2030, which is to halve the number of global deaths and injuries from road traffic accidents by 2020. The article presents the analysis results for the following determinants: the rate of car ownership by poviat, poviat spending on transport and length of the road network, and quality of road infrastructure. The research problem was to establish which of the poviats are closest to achieving Goal 3.6. of Agenda 2030 and how likely it is, and, as a consequence, which of the poviats should step up their road safety policies to align them to the targets set out in the Agenda. To identify groups of poviats sharing similar characteristics, they were grouped using the k-means method. Five groups of poviats were identified and analeffecysed for how their road safety indicators changed between 2010 and 2019. The results of the analysis show that the highest fatality reduction (-40%) was achieved by urban poviats with the highest per capita spending on transport. The same poviats, however, have the highest increases in serious injuries (+30%). The analyses show that Polish poviats are still far from achieving Goal 3.6 of Agenda 2030. The research results presented in the article are original for the poviat level.

PL

Celem prac badawczych była ocena wpływu wybranych czynników na poziom bezpieczeństwa ruchu drogowego w powiatach w Polsce. Dla osiągniecia tego celu wykonano analizę determinant i skutków wypadków drogowych w powiatach w latach 2010-2019. Przyjęty horyzont czasowy wpisuje się w cel 3.6. Agenda 2030, dotyczący zmniejszenia do 2020 roku o połowę liczby wszystkich ofiar rannych i śmiertelnych w wypadkach drogowych. W artykule przedstawiono wyniki analizy dla następujących determinant: stopień zmotoryzowania mieszkańców poszczególnych powiatów, wydatki budżetów powiatów na transport oraz długość sieci drogowej, uwzględniającej jakość infrastruktury drogowej. Problemem badawczym była odpowiedź na pytanie, które z powiatów były najbliżej realizacji celu 3.6. Agenda 2030 i jakie są w tym zakresie perspektywy, a w konsekwencji, dla jakich powiatów należy zintensyfikować działania naprawcze, zbliżające do celu Agenda. W celu identyfikacji grup powiatów o podobnej charakterystyce, przeprowadzono grupowanie metodą k-średnich. W rezultacie badania wyłoniono pięć grup powiatów, dla których wykonano analizy zmiany wskaźników bezpieczeństwa ruchu drogowego w latach 2010-2019. Wyniki analizy wskazują, że naj-większą redukcję liczby ofiar śmiertelnych (-40%) osiągnęła grupa miast na prawach powiatu, które ponoszą największe wydatki na transport w przeliczeniu na mieszkańca. Jednocześnie jednak w tych powiatach odnotowano najwyższy wzrost liczby ofiar ciężko rannych (+30%). Wyniki analiz wskazują, że polskie powiaty są nadal daleko od osiągnięcia celu 3.6 Agenda 2030. Oryginalność wyników badań przedstawionych w artykule odnosi się do badania na poziomie powiatów.