Distribution of rare earth elements and yttrium in water, suspended matter and bottom sediments in Lake Onego: Evidence of the watershed transformation in the Late Pleistocene

Страховенко, В Д; Belkina, Natalia; Subetto, Dmitry; Rybalko, A.E.; Efremenko, Natalia; Kulik, Natalia; Potakhin, Maksim; Zobkov, Mikhail; Ovdina, Ekaterina; Ludikova, Anna

doi:10.1016/j.quaint.2021.07.011

Cited by 9 publications

(3 citation statements)

References 40 publications

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“…The geochemical and mineral compositions of the Lake Onego bottom sediments are described in detail in [31][32][33] The authors suggest that the upper part (0-20 cm) of the Holocene bottom sediments can be divided into two stratigraphic types, based on the mineralogical composition and geochemical features. The first type of bottom sediments is characterized by the presence of enriched Fe-Mn layers formed near the water-bottom sediment boundary.…”

Section: Mercury In the Bottom Sedimentsmentioning

confidence: 99%

Distribution of Mercury in the Water-Suspended Matter-Bottom Sediments System of the Lake Onego Water Area

et al. 2022

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This paper presents for the first time data on the lateral distribution of total mercury in the water-suspended matter-bottom sediments system for the entire water area of Lake Onego, the second largest lake in Europe. The patterns of the total mercury vertical distribution in two types of bottom sediments stratification, have been established. The total mercury content in the Lake Onego water averages 0.32 ± 0.07 μg/L. The most common form of mercury in water is dissolved+colloid, with the exception of water samples from the Kondopoga and Povenetsky Bays. In the material of the sedimentation traps, the mercury content is 0.5 ± 0.3 μg/g, and in the upper and lower parts of the bottom sediments section is 0.067 ± 0.003 and 0.041 ± 0.001 μg/g, respectively. The paper considers the factors responsible for the mercury content increasing from the bottom sediments up through the sections. These factors include anthropogenic pollution, migration of Hg and its redeposition at the geochemical barrier together with Fe and Mn.

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Section: Mercury In the Bottom Sedimentsmentioning

confidence: 99%

Distribution of Mercury in the Water-Suspended Matter-Bottom Sediments System of the Lake Onego Water Area

et al. 2022

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“…18−20 Despite their importance, lakes face threats from varying degrees of nutrient and REE pollution caused by anthropogenic activities. 4,10,15,21,22 Hongze Lake, as China's fourth-largest freshwater lake, holds particular prominence beyond its size. 23,24 It acts as a linchpin in regional water supply networks and serves as a critical reservoir for the South-to-North Water Diversion Eastern Route project, ensuring water security for surrounding regions.…”

Section: Introductionmentioning

confidence: 99%

“…Lakes, playing a vital role in sustaining ecosystems and serving as essential components of regional water systems, are numerous and widespread in China. − They act as crucial freshwater reservoirs, supporting agriculture, urban water supply, and ecosystem stability. − Lakes contribute to biodiversity, maintain ecological balance, and play a key role in climate regulation, flood mitigation, and water purification. − Additionally, they provide resources for fisheries, agriculture, tourism, and recreation, driving local economic development. − Despite their importance, lakes face threats from varying degrees of nutrient and REE pollution caused by anthropogenic activities. ,,,, …”

Section: Introductionmentioning

confidence: 99%

Nutrients and Rare Earth Elements in Surface Sediments of Hongze Lake (China) Using the DGT Technique: Spatial Distribution Pattern and Probabilistic Risk

Gu,

Ma,

Jordan

et al. 2024

ACS EST Water

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The escalating environmental impact of rare earth elements (REEs) in freshwater ecosystems, exemplified by Hongze Lake's increasing pollution levels from sediment-bound nutrients and REEs due to human activities, necessitates a comprehensive study. Our objectives are to unravel the spatial distribution patterns of nutrients and REEs in Hongze Lake's surface sediments and assess their combined toxicity effects on aquatic biota, aiming to fill a critical gap in understanding the ecological and toxicological risks associated with these contaminants. This study employed the diffusive gradients in thin films (DGT) technique to analyze surface sediments in China's Hongze Lake for nutrients and REEs. Significant fluctuations were observed in the concentrations of phosphate (PO 4 −P), nitrate (NO 3 −N), and ammonium (NH 4 −N), with some REEs exceeding predicted no effect concentrations (PNEC) for aquatic organisms. Correlation analysis suggested complex interrelationships among these elements, indicating potential common pollution sources. Factor analysis condensed 16 variables into 4 factors, unveiling distinct spatial distribution patterns in the lake. Additionally, a probabilistic ecotoxicological risk assessment, integrating DGT-labile concentrations and toxicity data, revealed a 1.26% probability of surface sediments in Hongze Lake inducing a combined toxic effect on aquatic biota. These findings provide specific numerical insights into pollution sources and risks within the Hongze Lake ecosystem. The results offer valuable information for current and future lake management and conservation efforts.

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Are nano-colloids controlling rare earth elements mobility or is it the opposite? Insight from A4F-UV-QQQ-ICP-MS

Tadayon,

Dutruch,

Vantelon

et al. 2024

Chemosphere

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Distribution of rare earth elements and yttrium in water, suspended matter and bottom sediments in Lake Onego: Evidence of the watershed transformation in the Late Pleistocene

Cited by 9 publications

References 40 publications

Distribution of Mercury in the Water-Suspended Matter-Bottom Sediments System of the Lake Onego Water Area

Distribution of Mercury in the Water-Suspended Matter-Bottom Sediments System of the Lake Onego Water Area

Nutrients and Rare Earth Elements in Surface Sediments of Hongze Lake (China) Using the DGT Technique: Spatial Distribution Pattern and Probabilistic Risk

Are nano-colloids controlling rare earth elements mobility or is it the opposite? Insight from A4F-UV-QQQ-ICP-MS

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