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Polycyclic Aromatic Hydrocarbons in the Estuaries of Two Rivers of the Sea of Japan

The seasonal polycyclic aromatic hydrocarbon (PAH) variability was studied in the estuaries of the Partizanskaya River and the Tumen River, the largest transboundary river of the Sea of Japan. The PAH levels were generally low over the year; however, the PAH concentrations increased according to one...

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Autores principales: Chizhova, Tatiana, Koudryashova, Yuliya, Prokuda, Natalia, Tishchenko, Pavel, Hayakawa, Kazuichi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7503489/
https://www.ncbi.nlm.nih.gov/pubmed/32824924
http://dx.doi.org/10.3390/ijerph17176019
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author Chizhova, Tatiana
Koudryashova, Yuliya
Prokuda, Natalia
Tishchenko, Pavel
Hayakawa, Kazuichi
author_facet Chizhova, Tatiana
Koudryashova, Yuliya
Prokuda, Natalia
Tishchenko, Pavel
Hayakawa, Kazuichi
author_sort Chizhova, Tatiana
collection PubMed
description The seasonal polycyclic aromatic hydrocarbon (PAH) variability was studied in the estuaries of the Partizanskaya River and the Tumen River, the largest transboundary river of the Sea of Japan. The PAH levels were generally low over the year; however, the PAH concentrations increased according to one of two seasonal trends, which were either an increase in PAHs during the cold period, influenced by heating, or a PAH enrichment during the wet period due to higher run-off inputs. The major PAH source was the combustion of fossil fuels and biomass, but a minor input of petrogenic PAHs in some seasons was observed. Higher PAH concentrations were observed in fresh and brackish water compared to the saline waters in the Tumen River estuary, while the PAH concentrations in both types of water were similar in the Partizanskaya River estuary, suggesting different pathways of PAH input into the estuaries. The annual riverine PAH mass flux amounted to 0.028 t/year and 2.5 t/year for the Partizanskaya River and the Tumen River, respectively. The riverine PAH contribution to the coastal water of the Sea of Japan depends on the river discharge rather than the PAH level in the river water.
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spelling pubmed-75034892020-09-23 Polycyclic Aromatic Hydrocarbons in the Estuaries of Two Rivers of the Sea of Japan Chizhova, Tatiana Koudryashova, Yuliya Prokuda, Natalia Tishchenko, Pavel Hayakawa, Kazuichi Int J Environ Res Public Health Article The seasonal polycyclic aromatic hydrocarbon (PAH) variability was studied in the estuaries of the Partizanskaya River and the Tumen River, the largest transboundary river of the Sea of Japan. The PAH levels were generally low over the year; however, the PAH concentrations increased according to one of two seasonal trends, which were either an increase in PAHs during the cold period, influenced by heating, or a PAH enrichment during the wet period due to higher run-off inputs. The major PAH source was the combustion of fossil fuels and biomass, but a minor input of petrogenic PAHs in some seasons was observed. Higher PAH concentrations were observed in fresh and brackish water compared to the saline waters in the Tumen River estuary, while the PAH concentrations in both types of water were similar in the Partizanskaya River estuary, suggesting different pathways of PAH input into the estuaries. The annual riverine PAH mass flux amounted to 0.028 t/year and 2.5 t/year for the Partizanskaya River and the Tumen River, respectively. The riverine PAH contribution to the coastal water of the Sea of Japan depends on the river discharge rather than the PAH level in the river water. MDPI 2020-08-19 2020-09 /pmc/articles/PMC7503489/ /pubmed/32824924 http://dx.doi.org/10.3390/ijerph17176019 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Chizhova, Tatiana
Koudryashova, Yuliya
Prokuda, Natalia
Tishchenko, Pavel
Hayakawa, Kazuichi
Polycyclic Aromatic Hydrocarbons in the Estuaries of Two Rivers of the Sea of Japan
title Polycyclic Aromatic Hydrocarbons in the Estuaries of Two Rivers of the Sea of Japan
title_full Polycyclic Aromatic Hydrocarbons in the Estuaries of Two Rivers of the Sea of Japan
title_fullStr Polycyclic Aromatic Hydrocarbons in the Estuaries of Two Rivers of the Sea of Japan
title_full_unstemmed Polycyclic Aromatic Hydrocarbons in the Estuaries of Two Rivers of the Sea of Japan
title_short Polycyclic Aromatic Hydrocarbons in the Estuaries of Two Rivers of the Sea of Japan
title_sort polycyclic aromatic hydrocarbons in the estuaries of two rivers of the sea of japan
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7503489/
https://www.ncbi.nlm.nih.gov/pubmed/32824924
http://dx.doi.org/10.3390/ijerph17176019
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