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The research aims to analyze the concentrations and composition of hydrocarbons during the spring flood in the Volga Delta.

Concentrations and Composition of Hydrocarbons at the Volga Mouth during 2024 Spring Flood

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Analyzing hydrocarbons in water and sediments reveals environmental impacts in the Volga Delta.

The research aims to analyze the concentrations and composition of hydrocarbons during the spring flood in the Volga Delta.
Sample collection from surface waters and bottom sediments during May 2024.
Analysis of aliphatic hydrocarbons (AHCs) and polycyclic aromatic hydrocarbons (PAHs) concentrations.
Assessment of suspended particulate matter (SPM) and its hydrocarbon content.
AHC concentrations in water averaged 25 μg/L, with low SPM levels at 4.08 mg/L.
Biomarker ratios indicated petrogenic influences, with 61.9% of AHCs in total lipid fraction.
PAH concentrations in SPM ranged from 3 to 349 ng/L, averaging 189 ng/L, with pyrolytic PAHs particularly in Gandurinsky channel.

Nemirovskaya et al. (2026) studied this question.

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