Why PAHs in marine surface water is important?
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Polycyclic aromatic hydrocarbons (PAHs) in marine surface water are crucial due to their hazardous nature, including carcinogenic and mutagenic properties that pose risks to marine organisms and ecosystems. PAHs originate from various sources like incomplete combustion of fossil fuels and biomass, naval ship emissions, and industrial activities. These pollutants, even at low concentrations, can impact marine life cycles and behaviors. Understanding the distribution, sources, and environmental pathways of PAHs in marine waters is essential for assessing ecological risks and implementing pollution prevention measures. Monitoring PAH levels in marine environments aids in evaluating the effectiveness of mitigation strategies and safeguarding both aquatic organisms and human health from the detrimental effects of these persistent organic pollutants.
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| Papers (5) | Insight |
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3 Citations | PAHs in marine surface water are important due to their ability, even at low concentrations, to impact marine organisms' life cycles and behaviors, posing ecological risks. |
| PAHs in marine surface water are crucial due to their low concentrations, potential toxicity to aquatic organisms, and sources like ship scrubber effluents, necessitating accurate monitoring for pollution prevention. | |
| PAHs in marine surface water are important due to their carcinogenic and mutagenic potential, posing ecological risks to marine organisms in fertile fishing grounds like the Sea of Japan. | |
| PAHs in marine surface water are crucial due to their carcinogenic and ecological risks, with significant levels adsorbed onto suspended particulate matter, impacting human health and aquatic ecosystems. | |
| PAHs in marine surface water are crucial due to their toxicity, mutagenicity, and carcinogenicity, posing significant public health and environmental risks, highlighting the importance of studying their impact and removal. |
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What are the main sources of polycyclic aromatic hydrocarbons (PAHs) in the aquatic environment?0 answersThe main sources of polycyclic aromatic hydrocarbons (PAHs) in the aquatic environment are primarily from petrogenic and pyrogenic sources. Petrogenic sources, such as oil contamination, contribute to the presence of PAHs in the water and sediment samples. This is supported by the dominance of lower molecular weight PAHs, such as phenanthrene, naphthalene, and pyrene, which are commonly associated with petrogenic inputs. Additionally, pyrogenic sources, such as combustion of coal and biomass, also contribute to the presence of PAHs in the aquatic environment. These sources are identified through diagnostic ratios and principal component analysis, which indicate the origin of PAHs from both petrogenic and pyrogenic sources. Overall, monitoring and mitigation measures are necessary to prevent the risk of PAH contamination to humans and aquatic animals.
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