{"title":"The Impact of Drainage on the Radionuclide Distribution in Peat Deposits of Ombrotrophic Bogs in the Arkhangelsk Oblast","authors":"A. S. Orlov, E. Yu. Yakovlev, I. N. Zubov","doi":"10.3103/S0361521926600422","DOIUrl":null,"url":null,"abstract":"<p>This paper presents the results of a study assessing the impact of drainage and subsequent rewetting processes on the accumulation and specific features of the vertical activity distribution of Cs-137, Am-241, Pb-210, U-234, and U-238 in the peat deposit of an ombrotrophic boreal bog (exemplified by the Ilas bog complex in the Arkhangelsk oblast). The data obtained indicated an extremely low level of radioactive contamination in the studied areas. It was demonstrated that hydromelioration of peat deposits led to changes in activity levels and redistribution of the test series of technogenic and natural radionuclides, which was expressed in the shift and localization of their concentration zone toward the peatland surface. It was established that the transformation of the hydrological regime of the deposits during the drainage of ombrotrophic bog areas enhanced the binding of radionuclides by peat sediments, including due to changes in physicochemical conditions.</p>","PeriodicalId":779,"journal":{"name":"Solid Fuel Chemistry","volume":"60 2","pages":"170 - 175"},"PeriodicalIF":0.8000,"publicationDate":"2026-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Solid Fuel Chemistry","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.3103/S0361521926600422","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
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Abstract
This paper presents the results of a study assessing the impact of drainage and subsequent rewetting processes on the accumulation and specific features of the vertical activity distribution of Cs-137, Am-241, Pb-210, U-234, and U-238 in the peat deposit of an ombrotrophic boreal bog (exemplified by the Ilas bog complex in the Arkhangelsk oblast). The data obtained indicated an extremely low level of radioactive contamination in the studied areas. It was demonstrated that hydromelioration of peat deposits led to changes in activity levels and redistribution of the test series of technogenic and natural radionuclides, which was expressed in the shift and localization of their concentration zone toward the peatland surface. It was established that the transformation of the hydrological regime of the deposits during the drainage of ombrotrophic bog areas enhanced the binding of radionuclides by peat sediments, including due to changes in physicochemical conditions.
期刊介绍：
The journal publishes theoretical and applied articles on the chemistry and physics of solid fuels and carbonaceous materials. It addresses the composition, structure, and properties of solid fuels. The aim of the published articles is to demonstrate how novel discoveries, developments, and theories may be used in improved analysis and design of new types of fuels, chemicals, and by-products. The journal is particularly concerned with technological aspects of various chemical conversion processes and includes papers related to geochemistry, petrology and systematization of fossil fuels, their beneficiation and preparation for processing, the processes themselves, and the ultimate recovery of the liquid or gaseous end products.
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