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    Wyświetlanie 1-5 z 5
    Tytuł:
    Chloroorganiczne pestycydy i polichlorowane bifenyle w osadach rzek Polski
    Chlorinated pesticides and polychlorinated biphenyls in river sediments of Poland
    Autorzy:
    Bojakowska, I.
    Gliwicz, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074353.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    związki chloroorganiczne
    zanieczyszczenia
    osad rzeczny
    geochemia osadów
    chlorinated compounds
    pollution
    river sediments
    Polska
    Opis:
    Concentrations of chlorinated pesticides and polychlorinated biphenyls (PCB28, PCB52, PCB101, PCB118, PCB153, PCB138, PCB180), were determined in 80 river sediment samples collected from the whole area of Poland. Chlorinated pesticides were found in almost all samples. The most frequently detected pesticides were isomer y-HCH (Lindane) and the DDT group compounds. The concentrations of Lindane exceeding the detection limit were recorded in 95% of samples and Lindane contents above the PEL value were noted in 32.5% of the analysed samples. The high contests of pesticides were recorded mainly in river sediments near urban-industrial centres. The presence of p,p’-DDT was noted in 31 samples and its metabolite p,p’-DDE —in 78 samples, and p,p’-DDD —in 69 samples. The concentration of p,p’-DDE above PEL value (6.75 ug/kg) were detected in 9 samples, p’-DDD (8.51 ug/kg) —in 9 samples, p,p’-DDT —in 13 samples. Of the remaining pesticides the concentrations of heptachlor epoxide exceeding the detection limit were observed in 5 sediment samples, Dieldrin —in 15 samples, Aldrin —in 10 samples, Endrin —in 10 samples, Endosulfan I only in 1 sample, Endosulfan II — in 4 samples and Methoxychlor — in 2 samples. The concentrations of Heptachlor epoxide higher than the PEL value (2,74 ug/kg) were detected in 1 sample (1.3%). Of 48.8% of the analysed river sediment samples contained polychlorinated biphenyls above detection limit; in two locations the PCB concentrations were high enough to pose a threat for water organisms.
    Źródło:
    Przegląd Geologiczny; 2005, 53, 8; 649--655
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena zanieczyszczenia osadów antropogenicznych zbiorników wodnych w centralnej części Wyżyny Katowickiej
    Assessment of sediment pollution of anthropogenic water reservoirs in the central part of the Katowice Upland (southern Poland)
    Autorzy:
    Pasieczna, A.
    Bojakowska, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075466.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    zanieczyszczenie osadów
    osady antropogeniczne
    zbiorniki wodne
    metale ciężkie
    bioakumulacja
    Katowice
    sediment pollution
    anthropogenic reservoir
    water reservoirs
    heavy metals
    index of geoaccumulation
    Katowice Upland
    Opis:
    The paper deals with sediments of anthropogenic reservoirs from the central part of the Katowice Upland. Over most of the area, the original relief was considerably altered due to many-years’ mining of hard coal, historical mining and processing of zinc-lead ores, smelting of iron and non-ferrous metals, and chemical and machinery industries. The changes in land surface give rise to mining collapse areas transformed to water reservoirs. Sediment samples (103 samples in total) were collected form artificial lakes, ponds and settling ponds. Samples were air-dried, sieved through a 0.2-mm nylon sieve and digested in aqua regia. Contents ofAg, Al, As, Ba, Ca, Cd, Co, Cr, Cu, Fe, Mg, Mn, Mo, Ni, P Pb, S, Sn, Sr, Ti, Vand Zn in the samples were determined by the ICP-OES method. Mercury content was measured using the CV-AAS method. To assess the extent of sediment contamination the Index of Geoaccumulation (Igeo) and the ecotoxicological (Threshold Effect Concentration and Probable Effect Concentration) criterion were used. The sediments show very different chemical compositions. The content of trace elements varies from values lower than the regional geochemical background of the Silesian-Cracow region to extremely high concentrations. Distribution of many toxic chemical elements is characterized by high spatial variability and a strong dependence on the location of pollution sources. About 60% of analysed samples were heavily contaminated due to the very high concentration of cadmium (up to 905.9 mg/kg), lead (up to 25,081 mg/kg) and zinc (up to 45,361 mg/kg) as well as arsenic (up to 2,220 mg/kg), chromium (up to 901 mg/kg) and mercury (up to 11.80 mg/kg). Due to the concentration of metals (TEC and PEC values) almost 80% of the sediments can be harmful to aquatic organisms, as well as to wild animals that consume them. The main cause of harm is the very high concentrations of cadmium, lead and zinc, less of silver, arsenic, chromium, copper and nickel.
    Źródło:
    Przegląd Geologiczny; 2016, 64, 10; 806--813
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Proces samooczyszczania się koryta rzeki Pisi (zachodnie Mazowsze) na podstawie zmian zawartości wybranych metali ciężkich
    Process of auto-purification of Pisia river-bed (Western Mazovia) based on changes of selected heavy metals contents
    Autorzy:
    Parafiniuk, J.
    Bojakowska, I.
    Małecka, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074345.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    metale ciężkie
    gleba tarasów zalewowych
    aluwia
    osad denny
    samooczyszczanie się
    rzeka Pisia
    Żyrardów
    heavy metal
    alluvium
    flood-plain soils
    river-bed
    Pisia river
    Opis:
    Contents of several heavy metals (Cr, Cu, Pb, Zn, As, Cd, Co) in alluvium and soils of flood-plains of Pisia River between Żyrardów and Sochaczew were analysed. Analyses have been carried out in the same points and using analogical procedure twice: in 1994 and 2001. Within this time a significant improvement of the river chemical status took place due to economic changes and reduced sewage pollution discharged in Żyrardów. Distinct decrease of heavy metals contents in alluvium in Żyrardów area and their migration down the Pisia valley were observed. At the same time, elevated heavy metal levels were found in soils of the flood-plains as a result of their migration from the river-bed.
    Źródło:
    Przegląd Geologiczny; 2005, 53, 7; 609-614
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pierwiastki śladowe w pyłach tuneli drogowych na terenie Warszawy
    Trace elements in dust samples from Warsaw road tunnels
    Autorzy:
    Bojakowska, I.
    Duszyński, J.
    Jaroń, I.
    Karmasz, D.
    Kucharzyk, J.
    Maksymowicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074669.pdf
    Data publikacji:
    2009
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    pierwiastki śladowe
    pyły
    tunele drogowe
    zanieczyszczenie
    pollution
    trace elements
    dust
    road tunnels
    Opis:
    The contents of Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, S, V and Zn in road dust samples taken from the inside of seven road tunnels in the area ofWarsaw by ICP-OES technique were quantified. These deposits are characterized by high content of copper (ranging from 44 to387 mg/kg) and contents of chromium (15–36 mg/kg), nickel (9–17 mg/kg), lead (19–37 mg/kg) and zinc (101–258 mg/kg) increased in comparison to those typical of soils in the Polish Lowlands. In turn, the examined dust samples contain cadmium, cobalt and vanadium in concentrations close to the average for soils in this region.
    Źródło:
    Przegląd Geologiczny; 2009, 57, 12; 1069-1069
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Czwartorzęd Zatoki Pomorskiej i perspektywy surowcowe
    The Quaternary of the Pomerania Bay and prospects of raw materials
    Autorzy:
    Kramarska, R.
    Jegliński, W.
    Kaulbarsz, D.
    Pączek, U.
    Przezdziecki, P.
    Bojakowska, I.
    Koszka-Maroń, D.
    Relisko-Rybak, J.
    Uścinowicz, Sz.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075522.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    geologia morza
    czwartorzęd
    Południowy Bałtyk
    marine geology
    Quaternary
    Southern Baltic Sea
    Opis:
    This paper summarizes four years of geological research in the Pomerania Bay and Oder Bank. As a result of the synthesis of new and archival data,we have compiled maps, cross-sections and models depicting the geological structure of the Quaternary and its basement, and the relief of structural surfaces. Two main seismostratigraphic sedimentary complexes are distinguished. The first corresponds to Pleistocene glacial and interstadial deposits. The second one is composed of Late Glacial and Holocene lacustrine-swamp and marine sediments. The outline of geochemical condition of the sea bottom is also presented. The content of the elements is always below the acceptable concentration and the origin of the elements is geogenic. Special attention has been given to mineral resources on the bottom surface and to documenting deposits of sand containing heavy minerals. The characterization of areas with sands suitable for beach nourishment and valorization of deposits and prospective areas have also been of great importance. The history of the development of the geological structure and palaeogeography of the area is the summary of the results.
    Źródło:
    Przegląd Geologiczny; 2016, 64, 8; 552--563
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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