Study on Environmental Factors of Fluorine in Chagan Lake Catchment, Northeast China

Tang, Jie; Dai, Yindong; Wang, Jingjing; Qu, Yanping; Liu, Ben; Duan, Yucong; Li, Zhaoyang

doi:10.3390/w13050629

Cited by 10 publications

(6 citation statements)

References 25 publications

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“…Some of the carried F and As enter inland lakes and reservoirs, but most accumulate in the soil. The average F content in the soil of the study area exceeded 400 mg/kg (Tang et al, 2021), and the As content ranges from 3.9 to 12.8 mg/kg (Bian et al, 2012). Through precipitation leaching and runoff erosion, F and As are released from the soil and loose sediments, entering surface water and shallow groundwater.…”

Section: Source and Mobilization Of F And As In Groundwatermentioning

confidence: 93%

Assessment of processes controlling the regional distribution of fluoride and arsenic in groundwater of the Western Jilin Province, Northeast China

Li,

Wang,

et al. 2024

Preprint

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Groundwater is a critical resource for a locality, and high F and As contents in groundwater can substantially impact regional ecological stability. The Western Plain of Jilin has groundwater > 128 m, and F and As levels exceed the World Health Organization's (WHO) safe drinking levels. To assess the primary processes controlling the regional distribution of F and As in the aquifer, 225 wells at varying depths were selected and analyzed for groundwater sampling in the plain. Concentration ranges of F and As in the groundwater were 0.16–7.99 and 1–310 µg/L, respectively. Approximately 33% and 20% of the samples exceeded the WHO limit for F (1.5 mg/L) and As (10 µg/L), respectively. F and As were not significantly correlated. In the central part of the plain, the groundwater upstream of the Huolin River Basin had higher As concentrations, whereas the groundwater downstream had higher F concentrations. The sources and enrichment of F and As predominantly resulted from widespread natural processes with little signs of anthropogenic influence. Regional of F and As distributions are controlled by two processes: hydrogeological controls primarily in the upstream region of the Huolin River and hydrogeochemical controls mainly occurring in the middle and downstream areas of the river. The primary hydrogeochemical processes controlling F and As distribution and migration in the study area are the dissolution of carbonate rock (where HCO3− may act as a sorption competitor), an increase in pH, and cation exchange (release of Na+ and adsorption of Ca2+). Evapotranspiration only influences the enrichment process of F and As concentrations in localized shallow groundwater. Human–induced groundwater extraction is the primary cause of F and As migration in medium and deep groundwater. The mixing of highly concentrated F- and As-containing groundwater with uncontaminated groundwater presents a potential problem for future research.

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Section: Source and Mobilization Of F And As In Groundwatermentioning

confidence: 93%

Assessment of processes controlling the regional distribution of fluoride and arsenic in groundwater of the Western Jilin Province, Northeast China

Li,

Wang,

et al. 2024

Preprint

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“…Understanding the characteristics and main driving forces of the landscape changes in Chagan Lake can help to carry out better protection and management of the lake, which has an important guiding role in improving the regional ecological environment and economic development. Our predecessors have conducted much research on the Chagan Lake area, but this has mostly focused on the water quality characteristics of Chagan Lake [29,30], water environment change [31,32], the groundwater environment [33,34], and pollutant distribution [35]; for example, Wang Fengyan [36] determined and compared the surface deformation of three typical land cover types in Chagan Lake, and analyzed the influencing factors of the lakeside areas. However, more of the driving factors for landscape change in the Chagan Lake Nature Reserve need to be studied.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Landscape Change and Its Driving Mechanism in Chagan Lake National Nature Reserve

Jiang

et al. 2022

Sustainability

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Lake ecosystems play an important role in regional ecological security and the sustainable development of the economy and society. In order to study the evolution of landscape patterns and the main driving forces in the Chagan Lake Nature Reserve in recent years, we used landscape type data from 2005, 2010, 2015, and 2019 to study the characteristics of the regional landscape’s structural changes. At the same time, the spatial heterogeneity of the driving factors of landscape change was analyzed using the spatial analysis method, and the driving mechanism of landscape change was quantitatively analyzed. The results showed that: (1) from 2005 to 2019, the area of cultivated land, marshland, and water bodies increased, while the area of grassland and the area of bare land decreased. (2) The dominant patch types in the study area formed good connectivity, and the degree of landscape fragmentation increased. (3) In the past 15 years, there has been spatial heterogeneity in the regression coefficients of different driving factors of landscape change: the area with a greater influence of the elevation factor was in the south; the regression coefficient of precipitation showed the spatial distribution characteristics of highs in the west and lows in the east; the gross domestic product had a greater impact on the east and the south; the spatial variation of grain yield was mainly reflected in the southeast and northwest regions; the fishery yield gradually changed from high in the southeast and low in the northwest to the distribution characteristic of decreasing from the east to the southwest; the lake fluorine content showed a distribution pattern that gradually changed from high in the southeast and low in the northwest to high in the middle and low in the north and south; the distribution pattern of the distance to oil production changed from north to southeast to south to north; the distance to the road changed from high in the east and low in the west to the opposite spatial distribution pattern. (4) The interaction of precipitation and lake fluoride content with other factors showed a strong driving effect, which had a significant impact on the landscape change of Chagan Lake Nature Reserve. Since the study area is located in a typical fluorine-rich geochemical environment, human activities, such as the expansion of irrigation areas around Chagan Lake and groundwater exploitation, have accelerated the dissolution of fluorine-containing minerals, promoted the enrichment process of fluorine in Chagan Lake, and enhanced the explanatory power of lake fluorine content in terms of landscape changes. At the same time, the increase in precipitation during the study period is beneficial to the growth of vegetation and the storage of water in lakes, which promotes changes in landscape types such as grasslands and areas of water.

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“…On the other hand, uorosis occurs when the quantity of uoride in drinking water surpasses 1.5 mg/L (Youse et al, 2018;Rahman et al, 2020). When the uoride level in water is too high, it may interfere with aquatic plants' metabolic processes, stunt their development, and cause substantial physiological changes (Tang et al, 2021). Besides, uoride may impact the development of aquatic life, damaging their neurological systems and bones, causing irregular growth, and even harming their progeny (de Menezes et al, 2003;Zhang et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

“…HRA employing a probabilistic tool based on Monte Carlo Simulation, can tackle this issue and generate more robust outcomes by decreasing the errors and uncertainties (Mukherjee and Singh, 2022). Several previous studies used the Monte Carlo simulation to assess the human health risks associated with uoride exposure in natural lakes (Tang et al, 2021;Tokatl, 2021). However, this approach has not been widely used in lentic environments.…”

Section: Introductionmentioning

confidence: 99%

“…Despite these generally low levels, uoride in surface waters was much higher in geothermal areas than in our study area. Fluoride levels, for example, were generally lower in natural lakes than in many alkaline lakes in the East African Rift Valley (> 1.00 mg/L) (Edmunds and Smedley, 2005) and, the uoride levels in the natural lake, were lower than in natural lakes in northeast China (range: 0.02 to 13.69 mg/L, mean: 4.56 mg/L)(Tang et al, 2021). The substantial variation in uoride levels might be due to uoride-bearing minerals' dissolution, cation exchange capacity (CEC), and alkalinity, as documented in the Qiji area in China (Li et al, 2019).…”

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confidence: 99%

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A Pioneering Study on Spatial-Temporal Variability and Probabilistic Health Risk Assessment of Fluoride in Natural and Artificial Lakes from Turkey

Tokatlı

Onur

Dindar

et al. 2022

Preprint

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Spatial-temporal variability of fluoride in water has been a major global health concern. However, in Turkey, there has been very limited research quantifying the probabilistic health risks from fluoride accumulations in the water of natural-artificial lakes. Thus, we aim to determine the spatial-temporal variability and probabilistic health risk of fluoride exposure in the water of stagnant water bodies in the Thrace region (Turkey). A total of 33 stagnant water bodies were selected, and water samples were collected during the dry and wet seasons of 2021–2022. The fluoride levels were measured by using a spectrophotometric method, and the estimated daily intake (EDI) and hazard quotient (HQ) were calculated using the health risk model. The seasonality and spatial-temporal variability of the fluoride content in the water of natural and artificial lentic environments were examined. The fluoride accumulations varied from 0.16–0.64 mg/L for the natural lakes, 0.04–0.74 mg/L for the reservoirs, and 0.01–0.53 mg/L for the artificial ponds. The study area had a fluoride deficiency of less than 0.5 mg/L in natural water bodies during the wet season (87.87%) and the dry season (93.93%), which might be a potential health threat. All the calculated HQ values, both in the dry and wet seasons and in all age groups, were recorded as 1. Both teenagers and children living in the central part of the study area are at higher risk than infants and adults. To evaluate model uncertainty, Monte Carlo simulations were employed. The outcome of the sensitivity analysis revealed that the major risks to the health of inhabitants are the high content of fluoride and their daily intake of water. Overall, a case-sensitive study should be conducted to investigate further health impacts from drinking low fluoride-containing water in the study region.

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Study on Environmental Factors of Fluorine in Chagan Lake Catchment, Northeast China

Cited by 10 publications

References 25 publications

Assessment of processes controlling the regional distribution of fluoride and arsenic in groundwater of the Western Jilin Province, Northeast China

Assessment of processes controlling the regional distribution of fluoride and arsenic in groundwater of the Western Jilin Province, Northeast China

Analysis of Landscape Change and Its Driving Mechanism in Chagan Lake National Nature Reserve

A Pioneering Study on Spatial-Temporal Variability and Probabilistic Health Risk Assessment of Fluoride in Natural and Artificial Lakes from Turkey

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