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    Wyświetlanie 1-2 z 2
    Tytuł:
    Prasa regionalna o zdarzeniach powodziowych na Ziemi Wadowickiej w latach 1945-1972
    Flood events in Ziemia Wadowicka according to regional press issues from 1945 – 1972
    Autorzy:
    Witkowski, Karol
    Wysmołek, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/458196.pdf
    Data publikacji:
    2014
    Wydawca:
    Wadowickie Centrum Kultury im. Marcina Wadowity
    Tematy:
    flood events
    historical press
    historical floods
    Opis:
    In this paper authors presents the reconstruction of floods which occurred between 1945 – 1972 in the Wadowice area. The Reconstruction is based on press articles deriving from polish daily newspaper “Dziennik Polski” witch have been launched after II World War. Historical press issues are very succulent and copious source of geographical information. Even though the reconstruction of flood events based on newspaper data might be sketchy and also misleading, it gives the exceptional view on episodes from the past. Newspaper articles comprehend a lot of tragic stories of emergency services, troops, and society struggling with damaging power of streams, rivers, and landslides. It is a highly emotional type of narration entirely different from scientific papers. The newspapers were publishing also a plenty of additional information e. g. names of fatalities or the courses of relief efforts including rescue missions and mercy dashes. This sort of data are missing in other publication regarding to flood events. Accordingly, historical regional press may fortify our knowledge about flood events with new facts and facilitates comparisons between former and present-day floods. Moreover, in previous century printed press was a one of the main propaganda instrument, which was especially present and useful during natural disasters. For that reason historical newspaper articles are object of study for sociologists and historians.
    Źródło:
    Wadoviana. Przegląd historyczno-kulturalny; 2014, 17; 130-148
    1505-0181
    Pojawia się w:
    Wadoviana. Przegląd historyczno-kulturalny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ wylesień na krótkoterminowe zmiany składu chemicznego wody w zlewni Potoku Malinowskiego (Beskid Śląski)
    Influence of deforestation on short-term changes in the chemical composition of water in the Malinowski Stream catchment (southern Poland)
    Autorzy:
    Kosmowska, A.
    Żelazny, M.
    Małek, S.
    Siwek, J.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989906.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gory
    Beskid Slaski
    wylesienia
    zlewnia Potoku Malinowskiego
    wody plynace
    sklad chemiczny
    zmiany skladu chemicznego
    streamwater chemistry
    sulfur
    nitrogen
    flood events
    deforestation
    Opis:
    The aim of the study was to determine the effect of deforestation caused by environmental pollution on the chemical composition of stream waters draining the small catchments located in the Skrzyczne massif (Beskid Śląski, southern Poland). In the 1950−60s this area was subjected to heavy anthropogenic pressure with excessive deposition of sulfur and nitrogen compounds. It resulted in the damage to the stands and deforestation of the ridge fragments of the studied area. The study was conducted in the catchment of the Malinowski Stream and its two subcatchments: forested and deforested in 2013. Waters of the studied streams characterized by low conductivity and mineralization. In the ridge subcatchments they were slightly acidic and in the main catchment – slightly alkaline. In all catchments anions were predominated by sulfates – with the largest in the deforested catchment (31% mval/L). Also nitrates had very large share in the structure of the chemical composition of water, particularly in the forested catchment (15% mval/L). Interestingly, there were low levels of bicarbonates, particularly in the ridge catchments, with their share lower than sulfates and nitrates. Cations in all streams were predominated by calcium. The structure of the chemical composition of water of the Malinowski Stream, expressed by the average share of individual ions was as follows: SO4−HCO3−NO3−Cl−F−Ca−Na−Mg−K−NH4, and in the case of streams draining small ridge catchments: – SO4−NO3−HCO3−Cl−F−Ca−Na−Mg−K−NH4. Conductivity of water decreased together with increased water levels in streams during floods. In the deforested catchment this decrease was more evident. The reaction of nitrate concentration to the increase in water level was however different, as in the stream draining the forested catchment it decreased sharply, while in the deforested catchment it decreased slightly or remained at the similar level. In the dry periods the chemical composition of waters of the examined streams were subject to far less change than during the floods, with the changes of e.g. conductivity being much higher in the stream draining the forested catchment.
    Źródło:
    Sylwan; 2015, 159, 09; 778-790
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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