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Wyszukujesz frazę "air temperature" wg kryterium: Temat

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    Wyświetlanie 1-12 z 12
    Tytuł:
    Daily oscillations of the air temperature in selected coniferous communities in the Borecka Forest
    Autorzy:
    Pietras, Katarzyna
    Mikulska, Małgorzata
    Powiązania:
    https://bibliotekanauki.pl/articles/2030278.pdf
    Data publikacji:
    2008-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    air temperature
    amplitude
    maximal air temperature
    minimal air temperature
    local climate
    Opis:
    Two coniferous forest communities were selected for analysis: a marshy coniferous forest and a young spruce forest, both located in the Borecka Forest. Thermal conditions develop differently in each community during the spring, due to different tree crown closure, which influences the amount of direct solar radiation reaching the substratum. Soil humidity is another factor influencing the air temperature, since the capacity and thermal inertia of the soil depend on its humidity. The results of the study are compared with thermal conditions outside the forest.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2008, 13; 113-120
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal seasons in Warsaw during the period 1961-2013
    Autorzy:
    Majewski, Grzegorz
    Przewoźniczuk, Wiesława
    Powiązania:
    https://bibliotekanauki.pl/articles/2037667.pdf
    Data publikacji:
    2014-10-10
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Air temperature
    thermal season
    city
    Warsaw
    Opis:
    This study determines the approximate duration of the thermal seasons in Warsaw, and investigates their long-term variability. The measurement data come from the Ursynów meteorological station at the Warsaw University of Life Sciences (WULS) (λE 21°02’52’’, φN 52°09’38’’, 102.5 m a.s.l.), situated in the south of Warsaw, and comprise mean diurnal air temperatures for the years 1961-2013. In order to identify thermal seasons, the method of five-day rolling averages was applied, which revealed a substantial year-by-year variability. The achieved results were close to those found by other methods for stations situated within the same climatic region. Over the analysed period, winters and springs have become shorter, whereas the other two seasons have become longer. Nevertheless, the positive trend was only statistically significant for thermal summers. The increasing length of the thermal summer in Warsaw Ursynów may be due to the influence of urban heat islands in built-up areas.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2014, 18, 4; 41-46
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contemporary Climate Changes in the High Mountain Part of the Tatras
    Autorzy:
    Żmudzka, Elwira
    Powiązania:
    https://bibliotekanauki.pl/articles/2035472.pdf
    Data publikacji:
    2011-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    air temperature
    precipitation
    snow cover
    trend
    Tatra Mountains
    Opis:
    The purpose of this study was to determine the contemporary changes of precipitation and nival conditions in the high-mountain area of Tatras. Main features of thermal climate changes are the background of this investigation. The study makes use of the daily data from the weather station on Kasprowy Wierch Mt. from the years 1966-2006. Various climate characteristics were considered. The increase of the air temperature is not accompanied by significant changes in precipitation conditions. The signs of the more continentality climate features are also visible. The warming and a slight decrease in precipitation and the evolution of circulation conditions significantly influence the length of the period with the snow cover and not significantly its depth.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2011, 15; 93-102
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The climatic background of agricultural production in Poland (1951 - 2000)
    Autorzy:
    Żmudzka, Elwira
    Kwiatkowska, Joanna M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2029390.pdf
    Data publikacji:
    2004-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    air temperature
    atmospheric precipitation
    variability
    crop production
    Polska
    Opis:
    This article presents the results of studies conducted on the variability of thermal and precipitation conditions in Poland in the second half of the 20th century, especially taking into consideration periods which were unfavorable for agricultural production. Averaged spatial temperatures and precipitation totals from consecutive years 1951 to 2000 were used. A significant increase in spring temperatures was noted, while the winters also became warmer. This had a significant effect upon the change of the thermal vegetation period's duration. No changing trends were noted with regard to the amount of precipitation.The analysis of the seasonal structure during the anomalous years, with regard to temperature and the amount of precipitation, made it possible to pinpoint years particularly unfavorable for agricultural production. There was a certain repeatability of unfavorable conditions, tied to the existence of a relatively stable 8-year cycle of temperature change, which was especially noticeable during the wintertime. During the last two decades of the 20th century, high temperature values, occurring also in the summertime, in combination with insufficient precipitation, contributed to the occurrence of dry spells and even periods of drought. The occurrence of dry spells during the vegetation period and the extreme shortening of the vegetation period have a significant effect upon the amount of grain crop production.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2004, 11; 127-137
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Differentiation of thermal conditions in the vertical profile of Natural National Park of Carpathians
    Autorzy:
    Kicińska, Bożena
    Wawer, Jolanta
    Mucha, Bogdan
    Mikulska, Małgorzata
    Powiązania:
    https://bibliotekanauki.pl/articles/2030280.pdf
    Data publikacji:
    2008-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    air temperature
    local climate
    Natural National Park of Carpathians
    Opis:
    In the paper, the results of field studies using automatic meteorological stations are presented. The studies were conducted in July 2005 - July 2006 in the vertical profile of Natural National Park of Carpathians. The results show that the thermal conditions in the area under research is strongly differentiated. Particularly large differences have been observed between the lowerings of the terrain (where the range of annual air temperature changes reaches almost 70˚C, exceptionally high and exceptionally low temperature occurs often, and thermal inversions are frequently encountered) and the summit region (where the range of annual air temperature changes barely exceeds 50˚C and the mean changes of daily air temperature are consideraly smaller).
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2008, 13; 105-111
    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 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:
    Verification of forecasts of periodic changes in the climate of Warsaw in the period 1779-2010
    Autorzy:
    Boryczka, Jerzy
    Stopa-Boryczka, Maria
    Kossowska-Cezak, Urszula
    Wawer, Jolanta
    Powiązania:
    https://bibliotekanauki.pl/articles/2035809.pdf
    Data publikacji:
    2012-12-28
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Air temperature
    Wolf numbers
    period
    interference
    forecast
    tree ring
    Opis:
    The air temperatures recorded at Warsaw-Okęcie in 1951-2010 were compared with forecasts for the period 1980-2010 and 1991-2010, i.e. 31 and 20 years ahead. Accurate predictions of air temperatures in Warsaw in 1980-2010 were calculated using the cycles identified by applying the sinusoidal regression method to a series of monitoring results obtained in Warsaw between 1779 and 1979. The high accuracy of these forecasts is the result of a similar progression of measured and forecast values over a number of years. The prediction of climate change in the Northern Hemisphere for example, caused by interference of long solar radiation cycles as well as variations in the concentrations of the δ18O oxygen isotope in the Arctic ice cores, requires a larger series of data points.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2012, 16, 2; 16-22
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The role of terrain relief, buildings, and green spaces in the diversification of Lvivs local climate
    Autorzy:
    Mucha, Bohdan
    Wawer, Jolanta
    Janicki, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/2034133.pdf
    Data publikacji:
    2010-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    air temperature
    temperature variation
    urban heat island
    vertical temperature gradient
    temperature distribution map
    Lviv
    Opis:
    This paper outlines the results of a study of Lviv's specific thermal characteristics. The study relied on a series of measurements taken over a 15-month period (from February 2007, through April 2008) at 6 automatic meteorological stations, representing a variety of physiogeographic conditions and land use. The study reveals substantial variations of temperature levels (annual [1-3°C], seasonal [2-4°C], and daily [2-12°C] averages), indicating the presence of an urban heat island. The result of the study is a map of the distribution of average annual air temperatures on the territory of Lviv.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2010, 14; 111-119
    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:
    Impact of build-up areas and housing estate vegetation on diversity of the local climate in Warsaw
    Autorzy:
    Stopa-Boryczka, Maria
    Boryczka, Jerzy
    Wawer, Jolanta
    Miłaszewska, Małgorzata
    Powiązania:
    https://bibliotekanauki.pl/articles/2034158.pdf
    Data publikacji:
    2010-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    Intensity of heat island
    diurnal changes
    annual changes
    air temperature
    latitudinal profiles
    town
    Opis:
    The more important research results on the impact of building development and vegetation on the local climate, conducted in Warsaw in the years 1959-2009 by the Department of Climatology, are presented. Majority of the issues associated with determining the deformation of air temperature limits (urban heat islands), humidity and wind vector areas, because of buildings in housing estates, located in various parts of the city, were resolved in master's thesis. Areas with high building density are characterized by slow cooling and warming pace, especially during the summer months. Spatial changes in the urban heat islands in the east-west direction well describe the latitudinal profiles (W-E) of air temperature differences (∆T ≥ 0) between the city and its urban fringe. The urban heat island ∆T does not appears till 5PM, initially in the Central City District. Spatial diversity of effective temperature and catathermal cooling allowed to mark off in housing estates ( „Stawki”, „Służew nad Dolinką”, „Sady Żoliborskie”) places with perceptible conditions, e.g. heat, warmth, comfort, cold.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2010, 14; 121-134
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of air temperature characteristics in forest communities in Puszcza Borecka and in open space
    Autorzy:
    Pietras, Katarzyna
    Powiązania:
    https://bibliotekanauki.pl/articles/2034238.pdf
    Data publikacji:
    2010-06-01
    Wydawca:
    Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
    Tematy:
    air temperature
    similarities of thermal conditions
    forest communities
    Puszcza Borecka (Borecka Primeval Forest)
    J.H. Ward clustering method
    Opis:
    Changes in similarities of five forest communities and of open space taking place during the year were analyzed in the scope of twelve daily and monthly characteristics of air temperature. The density of tree crowns having impact on the level of solar radiation reaching the ground during the day and the level of long term nocturnal emissions is the most important factor shaping thermal conditions in the forest.
    Źródło:
    Miscellanea Geographica. Regional Studies on Development; 2010, 14; 135-143
    0867-6046
    2084-6118
    Pojawia się w:
    Miscellanea Geographica. Regional Studies on Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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