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Nakopleniye i vertikal'noye raspredeleniye tyazhelykh metallov v sapropele ozera Gryaznoye (Medvezh'yegorskiy rayon, Respublika Kareliya) [Accumulation and vertical distribution of heavy metals in sapropel of Gryaznoye Lake, Medvezhyegorsk region, Karelia]
|Alternate Title:||Accumulation and vertical distribution of heavy metals in sapropel of Gryaznoye Lake, Medvezhyegorsk region, Karelia|
|Authors:||Slukovskiy, Z. I.; Medvedev, A. S.; Bubnova, T. P.; Syroyezhko, E. V.|
|Author Affiliations:||Primary: |
Rossiyskaya Akademiya Nauk, Karel'skiy Nauchnyy Tsentr, Institut Geologii, Petrozavodsk, Russian Federation
|Volume Title:||Vestnik Murmanskogo Gosudarstvennogo Tekhnicheskogo Universiteta. Nauki o Zemle|
|Source:||Vestnik Murmanskogo Gosudarstvennogo Tekhnicheskogo Universiteta. Nauki o Zemle, 20(1/2), p.177-188. Publisher: Murmanskogo Gosudarstvennogo Tekhnicheskogo Universiteta, Murmansk, Russian Federation. ISSN: 1560-9278|
|Note:||In Russian with English summary. 28 refs.; illus., incl. 3 tables, sketch map|
|Summary:||The results of studying sapropel sediments and clay underlying sapropel of Gryaznoye Lake, Medvezhyegorsk District, Republic of Karelia) have been considered. The results of studying particle-size distribution and content of the major components of Gryaznoye Lake as well as basic correlation patterns calculated from the data have been given. The studied sediments' column of this lake is 3.4 m, where the thickness of the sapropel layer is 3.1 m. The content of organic substance of sapropel of Gryaznoye Lake is from 55.2 to 70.2%. According to the literature the studied sapropel sediments comply for the type of reddish-brown sapropels widespread in Karelia and suitable to various kinds of practical use. The content of heavy metals in entire thickness of sapropel of the lake does not exceed the established norms. A comparison of levels of heavy metals accumulation in the sediments of Gryaznoye Lake and Lamba Lake located within the city of Petrozavodsk has been carried out. The negative impact of human activities on the urban areas on the deterioration of useful properties of sapropel deposits of small Karelian lakes has been clearly illustrated.|
|Subjects:||Clastic sediments; Clay; Heavy metals; Hydrochemistry; Organic compounds; Pollution; Sapropel; Sediments; Soil pollution; Water quality; Commonwealth of Independent States; Europe; Karelia Russian Federation; Russian Federation; Gryaznoye Lake; Lamba Lake; Medvezhyegorsk Russian Federation; Petrozavodsk Russian Federation|
|Copyright Information:||GeoRef, Copyright 2020 American Geosciences Institute. Reference includes data supplied by ICSTI, Moscow, Russian Federation|
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