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Wyświetlanie 1-3 z 3
Tytuł:
Tendencies in climate changes in Poland and Ukraine during the last centuries and their causes
Autorzy:
Boryczka, Jerzy
Stopa-Boryczka, Maria
Mucha, Bohdan
Miłaszewska, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2030336.pdf
Data publikacji:
2008-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
air temperature
NAO
solar activity
spectrum
periods
tendencies
forecast
Opis:
The paper describes tendencies in changes of air temperature in Poland and Ukraine on the basis of a long series of measurements made in Warsaw (1779-2000), Cracow (1826-2000), Lviv (1824-2002) and Kiev (1812-2002). Air temperature in these cities in the years 1825-2002 is positively correlated with the North Atlantic Oscillation (NAO) Index. Values of the r correlation coefficient are much higher in winter months than during the summer and they decrease with distance from the Atlantic Ocean. Of interest are air temperature changes in Warsaw, Cracow, Lviv and Kiev in the XIXth -XXth centuries together with forecasts until the year 2100. Significant dependence of the climate of Poland and Ukraine on the NAO index stems from similar temperature cycles and the eight-year, eleven-year and one-hundred-year NAO index. Forecast credibility results from the similar periodicity of air temperature, the NAO index and solar activity. The forecast mean annual temperature values for 2001-2100 were obtained from the interference of statistically important temperature cycles, determined by the sinusoidal regression method.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2008, 13; 77-88
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of the North Atlantic Oscillations (NAO) on the climate of Warsaw and Lviv
Autorzy:
Boryczka, Jerzy
Mucha, Bohdan
Stopa-Boryczka, Maria
Wawer, Jolanta
Powiązania:
https://bibliotekanauki.pl/articles/2030355.pdf
Data publikacji:
2006-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
air temperature
NAO
spectrum
periods
tendencies
Wolf number
forecast
Opis:
The objective of the work is to determine the periodicity and trends of change in air temperature in Warsaw and in Lviv during the 18th-20thcenturies, together with the forecast for the years 2000-2100. There are interesting diagrams of temporal changes of the North Atlantic Oscillation (NAO) indicator and air temperature, with the forecast reaching the year 2100. The forecasts were obtained on the basis of interpretations of the Sun activity and the NAO indicator cycles, determined with the method of ”regression sinusoids”. The fluctuations of air temperature and North Atlantic Oscillation during winter in Warsaw and in Lviv are closely correlated.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2006, 12; 75-80
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cyclic changes of climate in Europe during the last millenium according to dendrological data
Autorzy:
Boryczka, Jerzy
Stopa-Boryczka, Maria
Bijak, Szymon
Miłaszewska, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2029440.pdf
Data publikacji:
2008-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
air temperature
NAO
solar activity
spectrum
periods
tendencies
forecast
tree-rings
Opis:
The paper discusses periodic climate changes in Europe determined on the basis of dendrochronological data dating back one thousand years. In tree-ring width sequences of trees growing in Poland there are approximately 8-, 11-, 100- and 180- year periods. The tree-ring widths of oaks growing in Poland for the last centuries are characterised, without any significant amplitude, by 8- and 11-year periods (Tab. 1). In turn, chronologies of pine, spruce, larch, oak and fir growing in Europe are characterised by 100- and 180-year periods (Tab. 2). Cycles of dendrochronological variables approximate cycles of air temperature and North Atlantic Oscillation NAO as well as those of solar activity. The forecast of annual growth (ring width) for 2001-2100 was calculated by interference of the tree-ring width cycles determined by the sinusoidal regression method. Because of much longer empirical sequences of specific periods, the credibility of forecasts for treering widths is greater than that for air temperature.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2008, 13; 57-66
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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