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Justification of geochemical markers of the soil–plant system state for a local model of traffic pressureстатья Исследовательская статья
- Авторы: Khaustov Aleksandr, Redina Margarita
- Журнал: Arabian Journal of Geosciences
- Том: 14
- Номер: 24
- Год издания: 2021
- Издательство: Springer Verlag
- Местоположение издательства: Germany
- DOI: 10.1007/s12517-021-08868-5
- Аннотация: The research is aimed at selecting the most informative indicators for local assessments of the traffic pressure on urban soil–plant systems. Spatial variations of the characteristics of marker compounds flows (polycyclic aromatic hydrocarbons as geochemical markers), the integral toxicity characteristics of soil, root, and aerial parts of plants, and the values of indicator ratios based on polyarenes concentrations in media are considered. The studied area is the RUDN University campus with an adjacent park zone (Moscow, Russia). The territory is surrounded by transport facilities and is under significant pressure. The state of the territory is controlled at 33 points according to a unique environmental monitoring program. Five indicator ratios tested in the study showed different informativeness for constructing traffic pressure models. Various pollution regimes in 3 functional zones of the territory are revealed. Spatial characteristics of the influence of the main pollution sources are determined. Priority pathways of the intake of polyarenes caused by the transport pressure and their accumulation in the components of the soil–plant system were identified. All the indicator ratios applied confirmed the pyrogenic emissions of transport as the leading source of pollution. Their efficiency and accuracy in the identification of the activity of local pollution sources were different (maximum–by BbFlu/BkFlu and Flu/Flu + Py) and allowed to characterize pollution from the positions of pyrogenic origin, belonging to the transport emissions, and toxicity. A significant correlation (up to 0.71) has been established for indicator ratio based on anthracene and phenanthrene concentrations with an indicator of toxicity of environmental pollution TEF.
- Добавил в систему: Хаустов Александр Петрович