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    Wyświetlanie 1-4 z 4
    Tytuł:
    Cyclic temperature and precipitation fluctuations in Poland in the 19th-21st centuries
    Autorzy:
    Boryczka, Jerzy
    Stopa-Boryczka, Maria
    Szmajda, Dorota
    Powiązania:
    https://bibliotekanauki.pl/articles/2032472.pdf
    Data publikacji:
    2006-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    air tem perature
    precipitations
    NAO
    spectra
    periods
    tendency
    solar activity
    forecast
    Opis:
    The objective of the work is to determine the periodicity and trends of change in air temperature and precipitation in Poland in the time period of the 18th-20th centuries, together with the forecast for the 21st century. There are interesting diagrams of the temporal changes of solar activity and North Atlantic Oscillation (NAO) indicator, with the forecast reaching the year 2100. The forecasts were obtained on the basis of interpretations of the Wolf number and NAO indicator cycles, determined with the method of ”regression sinusoids”. The fluctuations of the air temperature and precipitations during w inter in Warsaw and in Cracow are closely correlated.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2006, 12; 43-53
    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
    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 dependency between annual air temperature and solar activity. A case study of Warsaw in 1951-2010.
    Autorzy:
    Boryczka, Jerzy
    Stopa-Boryczka, Maria
    Kossowska-Cezak, Urszula
    Wawer, Jolanta
    Powiązania:
    https://bibliotekanauki.pl/articles/2108255.pdf
    Data publikacji:
    2017-10-04
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Cold waves
    heat waves
    solar activity
    regression sinusoid
    period
    interference
    Opis:
    The paper demonstrates a dependency between the annual average daily air temperature course (cycle) in Warsaw and the profile of annual solar activity linked to rotation (with a period of 25-31 days). Waves of cold (ΔT <0) or heat (ΔT≥ 0) were defined as ΔT deviations of daily average temperature (T) using a regression sinusoid f (t) with a period of 365 days. Cold waves were found to generally occur at times of low daily average solar activity (relative to 60-year average), while hot waves tended to coincide with high Wolf numbers. The cycles of the variables were derived using the sinusoid regression method (Boryczka 1998). The maximum sinusoid regression of the annual air-temperature cycle T is delayed by nearly one month vis-à-vis the maximum declination of the Sun. The maximum of the regression sinusoid of daily average Wolf numbers (W) was delayed from the maximum declination by more than two months.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2017, 21, 3; 132-138
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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