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  1. Article ; Online: Temporal variability of Pu signatures in a

    Cwanek, Anna / Łokas, Edyta / Mitchell, Edward A D / Mazei, Yuri / Gaca, Paweł / Milton, James A

    Chemosphere

    2021  Volume 281, Page(s) 130962

    Abstract: The peat archives are one of the stratigraphic records revealing clearly physical, chemical and biological signals of human influence on the Earth System since the 1950s, at least. The presented study was aimed mainly to identify the level and origin of ... ...

    Abstract The peat archives are one of the stratigraphic records revealing clearly physical, chemical and biological signals of human influence on the Earth System since the 1950s, at least. The presented study was aimed mainly to identify the level and origin of anthropogenic radionuclides such as
    MeSH term(s) Humans ; Lead ; Plutonium/analysis ; Russia ; Soil ; Sphagnopsida
    Chemical Substances Soil ; Lead (2P299V784P) ; Plutonium (53023GN24M)
    Language English
    Publishing date 2021-05-20
    Publishing country England
    Document type Journal Article
    ZDB-ID 120089-6
    ISSN 1879-1298 ; 0045-6535 ; 0366-7111
    ISSN (online) 1879-1298
    ISSN 0045-6535 ; 0366-7111
    DOI 10.1016/j.chemosphere.2021.130962
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    Zs.A 2540: Show issues Location:
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  2. Article ; Online: Climate-induced hydrological fluctuations shape Arctic Alaskan peatland plant communities.

    Gałka, Mariusz / Diaconu, Andrei-Cosmin / Cwanek, Anna / Hedenäs, Lars / Knorr, Klaus-Holger / Kołaczek, Piotr / Łokas, Edyta / Obremska, Milena / Swindles, Graeme T / Feurdean, Angelica

    The Science of the total environment

    2023  Volume 905, Page(s) 167381

    Abstract: Rapidly increasing temperatures in high-latitude regions are causing major changes in wetland ecosystems. To assess the impact of concomitant hydroclimatic fluctuations, mineral deposition, and autogenous succession on the rate and direction of changing ... ...

    Abstract Rapidly increasing temperatures in high-latitude regions are causing major changes in wetland ecosystems. To assess the impact of concomitant hydroclimatic fluctuations, mineral deposition, and autogenous succession on the rate and direction of changing arctic plant communities in Arctic Alaska, we conducted detailed palaeoecological analyses using plant macrofossil, pollen, testate amoebae, elemental analyses, and radiocarbon and lead (
    MeSH term(s) Ecosystem ; Wetlands ; Environment ; Soil ; Plants ; Sphagnopsida ; Minerals
    Chemical Substances Soil ; Minerals
    Language English
    Publishing date 2023-09-27
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2023.167381
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  3. Article ; Online: Unveiling threats to glacier biota: Bioaccumulation, mobility, and interactions of radioisotopes with key biological components.

    Buda, Jakub / Łokas, Edyta / Błażej, Sylwia / Gorzkiewicz, Krzysztof / Buda, Kinga / Ambrosini, Roberto / Franzetti, Andrea / Pittino, Francesca / Crosta, Arianna / Klimaszyk, Piotr / Zawierucha, Krzysztof

    Chemosphere

    2023  Volume 348, Page(s) 140738

    Abstract: Contemporary melting glaciers are considered a secondary source of pollutants including radionuclides. Cryoconite - biogenic sediment on the glacier surface - exhibits high concentrations of natural and anthrophogenic radioisotopes. Understanding the ... ...

    Abstract Contemporary melting glaciers are considered a secondary source of pollutants including radionuclides. Cryoconite - biogenic sediment on the glacier surface - exhibits high concentrations of natural and anthrophogenic radioisotopes. Understanding the interactions between radioisotopes and organisms is essential for evaluating their potential impact on glacier-related ecosystems. Using a multidimensional approach and intensive sampling (17 glaciers), we investigated the relationships between activity concentrations of
    MeSH term(s) Ecosystem ; Ice Cover ; Bioaccumulation ; Lead/analysis ; Cesium Radioisotopes/analysis ; Biota ; Cyanobacteria ; Chlorophyll/analysis ; Radiation Monitoring
    Chemical Substances Cesium-137 (4T2E65IAR7) ; Lead (2P299V784P) ; Cesium Radioisotopes ; Chlorophyll (1406-65-1)
    Language English
    Publishing date 2023-11-16
    Publishing country England
    Document type Journal Article
    ZDB-ID 120089-6
    ISSN 1879-1298 ; 0045-6535 ; 0366-7111
    ISSN (online) 1879-1298
    ISSN 0045-6535 ; 0366-7111
    DOI 10.1016/j.chemosphere.2023.140738
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  4. Article ; Online: Airborne radionuclides in the proglacial environment as indicators of sources and transfers of soil material.

    Łokas, Edyta / Wachniew, Przemysław / Jodłowski, Paweł / Gąsiorek, Michał

    Journal of environmental radioactivity

    2017  Volume 178-179, Page(s) 193–202

    Abstract: A survey of artificial ( ...

    Abstract A survey of artificial (
    Language English
    Publishing date 2017-11
    Publishing country England
    Document type Journal Article
    ZDB-ID 1483112-0
    ISSN 1879-1700 ; 0265-931X
    ISSN (online) 1879-1700
    ISSN 0265-931X
    DOI 10.1016/j.jenvrad.2017.08.018
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  5. Article ; Online: Unveiling the extreme environmental radioactivity of cryoconite from a Norwegian glacier.

    Łokas, Edyta / Wachniew, Przemysław / Baccolo, Giovanni / Gaca, Paweł / Janko, Karel / Milton, Andrew / Buda, Jakub / Komędera, Kamila / Zawierucha, Krzysztof

    The Science of the total environment

    2021  Volume 814, Page(s) 152656

    Abstract: This study is a first survey of the occurrence of artificial ( ...

    Abstract This study is a first survey of the occurrence of artificial (
    MeSH term(s) Arctic Regions ; Ice Cover ; Radioactivity
    Language English
    Publishing date 2021-12-23
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2021.152656
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  6. Article: Unveiling the extreme environmental radioactivity of cryoconite from a Norwegian glacier

    Łokas, Edyta / Wachniew, Przemysław / Baccolo, Giovanni / Gaca, Paweł / Janko, Karel / Milton, Andrew / Buda, Jakub / Komędera, Kamila / Zawierucha, Krzysztof

    Science of the total environment. 2022 Mar. 25, v. 814

    2022  

    Abstract: This study is a first survey of the occurrence of artificial (¹³⁷Cs, ²⁴¹Am, ²⁰⁷Bi, Pu isotopes) and natural (²¹⁰Pb, ²²⁸Ac, ²¹⁴Bi, ⁴⁰K) radionuclides in Norwegian cryoconite. Cryoconite samples were collected before (12 samples) and after (5 samples) a ... ...

    Abstract This study is a first survey of the occurrence of artificial (¹³⁷Cs, ²⁴¹Am, ²⁰⁷Bi, Pu isotopes) and natural (²¹⁰Pb, ²²⁸Ac, ²¹⁴Bi, ⁴⁰K) radionuclides in Norwegian cryoconite. Cryoconite samples were collected before (12 samples) and after (5 samples) a rainfall event, after which 7 cryoconite holes dissapeared. The concentrations of radionuclides in cryoconite samples from the Blåisen Glacier are compared with data from the Arctic and Alpine glaciers. Cryoconite samples from the studied glacier had extremely high activity concentrations of ¹³⁷Cs, ²⁴¹Am, ²⁰⁷Bi and ²³⁹⁺²⁴⁰Pu (up to 25,000 Bq/kg, 58 Bq/kg, 13 Bq/kg and 131 Bq/kg, respectively) and also high concentrations of organic matter (OM), comparing to other Scandinavian and Arctic glaciers, reaching up to ~40% of total mass. The outstandingly high concentrations of ¹³⁷Cs, ²⁴¹Am, Pu isotopes, and ²⁰⁷Bi on the Blåisen Glacier are primarily related to bioaccumulation of radionuclides in organic-rich cryoconite and might be enhanced by additional transfers of contamination from the tundra by lemmings during their population peaks. The presumed influence of intense rainfall on radionuclide concentrations in the cryoconite was not confirmed.
    Keywords bioaccumulation ; cesium radioisotopes ; environment ; glaciers ; organic matter ; radioactivity ; rain ; surveys ; tundra ; Arctic region
    Language English
    Dates of publication 2022-0325
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2021.152656
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  7. Article ; Online: Atmospheric fallout radionuclides in peatland from Southern Poland.

    Mróz, Tomasz / Łokas, Edyta / Kocurek, Justyna / Gąsiorek, Michał

    Journal of environmental radioactivity

    2017  Volume 175-176, Page(s) 25–33

    Abstract: Two peat profiles were collected in a peat bog located in Southern Poland and their geochronology were determined ... ...

    Abstract Two peat profiles were collected in a peat bog located in Southern Poland and their geochronology were determined using
    MeSH term(s) Atmosphere/chemistry ; Cesium Radioisotopes/analysis ; Lead Radioisotopes/analysis ; Plutonium/analysis ; Poland ; Radiation Monitoring ; Soil ; Water Pollutants, Radioactive/analysis
    Chemical Substances Cesium Radioisotopes ; Lead Radioisotopes ; Soil ; Water Pollutants, Radioactive ; Plutonium (53023GN24M)
    Language English
    Publishing date 2017-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 1483112-0
    ISSN 1879-1700 ; 0265-931X
    ISSN (online) 1879-1700
    ISSN 0265-931X
    DOI 10.1016/j.jenvrad.2017.04.012
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  8. Article: Temporal variability of Pu signatures in a 210Pb-dated Sphagnum peat profile from the Northern Ural, Russian Federation

    Cwanek, Anna / Łokas, Edyta / Mitchell, Edward A.D / Mazei, Yuri / Gaca, Paweł / Milton, James A

    Chemosphere. 2021 Oct., v. 281

    2021  

    Abstract: The peat archives are one of the stratigraphic records revealing clearly physical, chemical and biological signals of human influence on the Earth System since the 1950s, at least. The presented study was aimed mainly to identify the level and origin of ... ...

    Abstract The peat archives are one of the stratigraphic records revealing clearly physical, chemical and biological signals of human influence on the Earth System since the 1950s, at least. The presented study was aimed mainly to identify the level and origin of anthropogenic radionuclides such as ²³⁸, ²³⁹, ²⁴⁰Pu in a ²¹⁰Pb-dated peat profile derived from the Northern Ural, Russian Federation. As stated, the vertical variability of ²⁴⁰Pu/²³⁹Pu isotopic compositions reflects the nuclear weapons testing history with the maximum in the 1960s and small regional impact most likely of high-yielded tests in the 1950s as well as Chinese detonations in the 1970s. Peat accumulations rates were similar to those obtained in adjacent areas, whereas ²¹⁰Pb flux slightly exceeded the reference level established for adequate latitude belt.
    Keywords Earth system science ; Russia ; Sphagnum ; humans ; latitude ; peat ; temporal variation
    Language English
    Dates of publication 2021-10
    Publishing place Elsevier Ltd
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 120089-6
    ISSN 1879-1298 ; 0045-6535 ; 0366-7111
    ISSN (online) 1879-1298
    ISSN 0045-6535 ; 0366-7111
    DOI 10.1016/j.chemosphere.2021.130962
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  9. Article ; Online: Global variability and controls on the accumulation of fallout radionuclides in cryoconite.

    Clason, Caroline C / Baccolo, Giovanni / Łokas, Edyta / Owens, Philip N / Wachniew, Przemyslaw / Millward, Geoff E / Taylor, Alex / Blake, Will H / Beard, Dylan B / Poniecka, Ewa / Selmes, Nick / Bagshaw, Elizabeth A / Cook, Joseph / Fyfe, Ralph / Hay, Melanie / Land, Deborah / Takeuchi, Nozomu / Nastasi, Massimiliano / Sisti, Monica /
    Pittino, Francesca / Franzetti, Andrea / Ambrosini, Roberto / Di Mauro, Biagio

    The Science of the total environment

    2023  Volume 894, Page(s) 164902

    Abstract: The accumulation of fallout radionuclides (FRNs) from nuclear weapons testing and nuclear accidents has been evaluated for over half a century in natural environments; however, until recently their distribution and abundance within glaciers have been ... ...

    Abstract The accumulation of fallout radionuclides (FRNs) from nuclear weapons testing and nuclear accidents has been evaluated for over half a century in natural environments; however, until recently their distribution and abundance within glaciers have been poorly understood. Following a series of individual studies of FRNs, specifically
    Language English
    Publishing date 2023-06-19
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2023.164902
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  10. Article: The radioactive contamination study in south-western Greenland tundra in 2012–2013

    Cwanek, Anna / Anczkiewicz, Robert / Łokas, Edyta / Mietelski, Jerzy W / Misiak, Ryszard / Olech, Maria A

    Journal of environmental radioactivity. 2020 Feb., v. 212

    2020  

    Abstract: The paper presents results of the radioecological investigation carried out in south-western Greenland shoreline. There were examined over 50 samples of lichens and mosses collected from 7 locations during two scientific expeditions conducted in the ... ...

    Abstract The paper presents results of the radioecological investigation carried out in south-western Greenland shoreline. There were examined over 50 samples of lichens and mosses collected from 7 locations during two scientific expeditions conducted in the summer of 2012–2013. The levels, trends and the most likely origin were determined for following natural and artificial radionuclides: 90Sr, 137Cs, 230, 232Th, 234, 238U, 238, 239+240Pu and 241Am. The radioactive pollution was found as relatively low, reaching the maximum values at: 25.3 ± 2.04 Bq/kg for 90Sr, 293 ± 27 Bq/kg for 137Cs, 4.01 ± 0.13 Bq/kg for 239+240Pu, 0.1381 ± 0.0070 Bq/kg for 238Pu and 1.90 ± 0.21 Bq/kg of 241Am, 9.15 ± 0.48 Bq/kg for 230Th, 25.1 ± 1.2 Bq/kg for 232Th, 7.5 ± 1.5 Bq/kg for 234U and 7.26 ± 0.80 Bq/kg for 238U. Both activity and mass isotopic ratio assays revealed dominant contribution of the global fallout + SNAP 9A on the presence of plutonium isotopes and 241Am in Greenland tundra. However, noticeable deviations of 241Am/239+240Pu and to a lesser extend of 240Pu/239Pu ratios from the GF level have been observed. The origin of 137Cs was evidently connected with the coexistence of global and Chernobyl fallout, while the presence of 90Sr was caused by nuclear weapon tests and affected by leaching process. The seaborne signature of uranium isotopes was manifested in research material as well.
    Keywords cesium ; isotopes ; leaching ; lichens ; mosses and liverworts ; plutonium ; radioactive pollution ; radioactivity ; radionuclides ; scientific expeditions ; shorelines ; strontium ; summer ; thorium ; tundra ; uranium ; Greenland ; Ukraine
    Language English
    Dates of publication 2020-02
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 1483112-0
    ISSN 1879-1700 ; 0265-931X
    ISSN (online) 1879-1700
    ISSN 0265-931X
    DOI 10.1016/j.jenvrad.2019.106125
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