Organochlorines in small lakes of the Bolshezemelskaya tundra
AbstractIn this study we compared the total amount of organochlorine compounds in the bottom sediments of thermokarst small lakes of the Bolshezemelskaya tundra. The amount of organochlorine compounds in the studied water ecosystems was determined by the value of the non-specific sum-parameter Clorg (total organically bound chlorine) used for solid natural and technogenic matrices. It was shown that the amount of organically bound chlorine in the upper layers of lake sediments depends on the additive influence of various factors, including the specific properties of intrabasin processes and sedimentation in the water ecosystem, lithological characteristics of bottom sediments, possible impact of the anthropogenic component in the catchment areas and long-range atmospheric transport.
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