Doklady Earth Sciences

, Volume 483, Issue 1, pp 1463–1467 | Cite as

Indicators of the Pollution of Surface Waters of the Lake Baikal Watershed by Polycyclic Aromatic Hydrocarbons

  • M. Yu. SemenovEmail author
  • V. A. Snytko
  • I. I. Marinaite
  • A. V. Silaev
  • Yu. M. Semenov


The content of polycyclic aromatic hydrocarbons (PAH), organic carbon (Corg), and mineral nitrogen (Nmin) in waters of Lake Baikal and its tributaries were analyzed. On the basis of these data, the indicators of the water composition, for Baikal Lake and its tributaries, were worked up for the first time. These indicators—the anthropogenic impact on the ecosystem (PAH/Corg) and the indicator of the capacity of the ecosystem to neutralize pollution (Nmin/Corg)—show a link between water pollution and the conditions of the watershed basin. It was established that (PAH/Corg) and (Nmin/Corg) can be used simultaneously as tracers to calculate the tributary input into organic matter of the lake. It was also revealed that Nmin/Corg is inversely proportional to the Corg concentration and directly proportional to N/C in the soil humus. On the basis of the indicators, the watershed areas and water area of the lake were distinguished. The areas are characterized by different levels of the pollution, self-purification capacity, and concentration of carbon in surface waters.



This work was carried out according to state assignment no. 0345-2016-0008, AAAA-A16-116122110065-4 (fieldwork and chemical analysis) with the use of the equipment of the Baikal Center for Common Use, and supported by the government of Irkutsk oblast and the Russian Science Foundation, project no. 17-45-388054 (analysis and data processing) and project no. 17-29-05068 (mapping).


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • M. Yu. Semenov
    • 1
    Email author
  • V. A. Snytko
    • 2
  • I. I. Marinaite
    • 1
  • A. V. Silaev
    • 3
  • Yu. M. Semenov
    • 3
  1. 1.Limnological Institute, Siberian Branch, Russian Academy of SciencesIrkutskRussia
  2. 2.Vavilov Institute of the History of Science and TechnologyMoscowRussia
  3. 3.Sochava Institute of Geography, Siberian Branch, Russian Academy of SciencesIrkutskRussia

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