Radioactivity of anthropogenic and natural radionuclides in marine sediments of the Chaun Bay, East Siberian Sea

被引：3
作者：
Ulyantsev, Alexander [1 ]
Ivannikov, Sergei [2 ]
Bratskaya, Svetlana [2 ]
Charkin, Alexander [3 ]
机构：
[1] Russian Acad Sci, Shirshov Inst Oceanol, Moscow 117997, Russia
[2] Russian Acad Sci, Inst Chem, Far Eastern Branch, Vladivostok 690022, Russia
[3] Russian Acad Sci, Ilichev Pacific Oceanol Inst, Far Eastern Branch, Vladivostok 690041, Russia
来源：
MARINE POLLUTION BULLETIN | 2023年 / 195卷
关键词：
Arctic; Marine sediments; Natural radionuclides; Radiocesium; Gamma-spectrometry; Grain size; BOTTOM SEDIMENTS; CS-137; RADIOCESIUM; FUKUSHIMA; TH-232; RA-226; RIVER; K-40; CONTAMINATION; TRANSPORT;
D O I：
10.1016/j.marpolbul.2023.115582
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Natural radioactive isotopes serve as a useful proxy of geological and geochemical processes in marine environment, while radiocesium serves as an indicator of man-made contamination. Monitoring of natural and anthropogenic radioactivity under conditions of the climate changes in the Arctic region is of high importance in investigations of this natural system. For the first time, we report the data on spatial distribution of natural (232Th, 226Ra, 40K) and anthropogenic (137Cs) radionuclide activities in the marine sediments from Chaun Bay (East Siberian Sea). The measured activity concentrations varied in the range 23.7-77.9 (mean 39.2) Bq kg-1 for 232Th, 16.5-39.3 (mean 26.6) Bq kg -1 for 226Ra, 535-991 (mean 726) Bq kg-1 for 40K, and 0.5-4.7 (mean 2.0) Bq kg -1 for 137Cs. The radiocesium level in the sediments showed no local sources of anthropogenic pollution in the Chaun Bay, while the average activity concentration of 40K was 1.8 times higher than worldwide.
引用
收藏
页数：9
相关论文
共 50 条
  • [31] Mercury and other trace elements distribution and profiling of microbial community in the surface sediments of East Siberian Sea
    Chaudhary, Dhiraj Kumar
    Karki, Hem Prakash
    Bajagain, Rishikesh
    Kim, Hwansuk
    Rhee, Tae Siek
    Hong, Jong Kuk
    Han, Seunghee
    Choi, Young-Gyun
    Hong, Yongseok
    [J]. MARINE POLLUTION BULLETIN, 2022, 185
  • [32] Quantifying Degradative Loss of Terrigenous Organic Carbon in Surface Sediments Across the Laptev and East Siberian Sea
    Broder, Lisa
    Andersson, August
    Tesi, Tommaso
    Semiletov, Igor
    Gustafsson, Orjan
    [J]. GLOBAL BIOGEOCHEMICAL CYCLES, 2019, 33 (01) : 85 - 99
  • [33] Natural and anthropogenic trace metals in sediments of the Ligurian Sea (Northwestern Mediterranean)
    Heimbuerger, Lars-Eric
    Cossa, Daniel
    Thibodeau, Benoit
    Khripounoff, Alexis
    Mas, Virginie
    Chiffoleau, Jean-Francois
    Schmidt, Sabine
    Migon, Christophe
    [J]. CHEMICAL GEOLOGY, 2012, 291 : 141 - 151
  • [34] Mercury in Baltic Sea sediments-Natural background and anthropogenic impact
    Leipe, Thomas
    Moros, Matthias
    Kotilainen, Aarno
    Vallius, Henry
    Kabel, Karoline
    Endler, Michael
    Kowalski, Nicole
    [J]. CHEMIE DER ERDE-GEOCHEMISTRY, 2013, 73 (03) : 249 - 259
  • [35] Relationships between radionuclides, metals, and sediment properties in sediment of a bay exposed to anthropogenic pressure and mixed sediment sources (Kastela Bay, Adriatic Sea, Croatia)
    Mikelic, Ivanka Lovrencic
    Orescanin, Visnja
    Cukrov, Neven
    Tomasic, Nenad
    Rubcic, Mirta
    Barisic, Delko
    [J]. MARINE POLLUTION BULLETIN, 2023, 197
  • [36] Evaluation of current natural and anthropogenic radionuclide activity in coastal area bottom sediments of the Barents Sea (North of the Kola Peninsula)
    Yakovlev, Evgeny
    Puchkov, Andrey
    Druzhinin, Sergey
    [J]. MARINE POLLUTION BULLETIN, 2023, 189
  • [37] Natural radioactivity levels in sediments in Algiers Bay using instrumental neutron activation analysis
    Baba-Ahmed, Lateffa
    Benamar, Mohammed E. A.
    Belamri, Mohamed
    Azbouche, Ahmed
    Benarous, Samah
    Benkhalifa, Abderrahmane
    [J]. RADIOCHIMICA ACTA, 2018, 106 (11) : 939 - 948
  • [38] Spatial and vertical distributions of natural and anthropogenic radionuclides and cesium fractionation in sediments of the Var river and its tributaries (southeast France)
    Alabdullah, Jamal
    Michel, Herve
    Barci, Vittorio
    Feraud, Gilbert
    Barci-Funel, Genevieve
    [J]. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 2013, 298 (01) : 25 - 32
  • [39] Ecological State and Mineral-Geochemical Characteristics of the Bottom Sediments of the East Siberian Sea
    A. Yu. Miroshnikov
    M. V. Flint
    En. E. Asadulin
    M. D. Kravchishina
    V. L. Luksha
    A. A. Usacheva
    D. V. Ryabchuk
    Vl. B. Komarov
    [J]. Oceanology, 2020, 60 : 518 - 531
  • [40] Ecological State and Mineral-Geochemical Characteristics of the Bottom Sediments of the East Siberian Sea
    Miroshnikov, A. Yu
    Flint, M., V
    Asadulin, En E.
    Kravchishina, M. D.
    Luksha, V. L.
    Usacheva, A. A.
    Ryabchuk, D., V
    Komarov, Vl B.
    [J]. OCEANOLOGY, 2020, 60 (04) : 518 - 531
12345